Source rocks of the first real continents

Geoscientists have uncovered a missing link in the enigmatic story of how the continents developed- - a revised origin story that doesn't require the start of plate tectonics or any external factor to explain their formation. Instead, the findings rely solely on internal geological forces that occurred within oceanic plateaus that formed during the first few hundred million years of Earth's history.

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Trees struggle to 'breathe' as climate warms

Trees are struggling to sequester heat-trapping carbon dioxide (CO2) in warmer, drier climates, meaning that they may no longer serve as a solution for offsetting humanity's carbon footprint as the planet continues to warm, according to a new study.

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Neanderthals and humans lived side by side in Northern Europe 45,000 years ago

Archaeologists have debated whether Neanderthals or modern humans made stone tools that are found at sites across northern Europe and date from about 40,000 years ago. A new excavation at one site in Germany turned up 45,000-year-old bone fragments that, when analyzed for mitochondrial DNA, proved to be from Homo sapiens. This is the earliest evidence that modern humans overlapped with Neanderthals in northwest Europe, thousands of years before Neanderthals went extinct.

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Study suggests secret for getting teens to listen to unsolicited advice

A new study may hold a secret for getting your teenager to listen to appreciate your unsolicited advice. The study, which included 'emerging adults' -- those in their late teens and early 20s -- found teens will appreciate parents' unsolicited advice, but only if the parent is supportive of their teens' autonomy.

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Some plastic straws degrade quicker than others, new study shows

Not all plastics are created the same, and some last longer in the ocean than others. Scientists have been working for years to quantify the environmental lifetimes of a wide range of plastic goods to see which have the shortest and longest lifespans in the ocean. To determine what plastics persist in the ocean, the team tests different products in large tanks that recreate the natural ocean environment.

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Utilizing active microparticles for artificial intelligence

Artificial intelligence using neural networks performs calculations digitally with the help of microelectronic chips. Physicists have now created a type of neural network that works not with electricity but with so-called active colloidal particles.The researchers describe how these microparticles can be used as a physical system for artificial intelligence and the prediction of time series.

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Astronomers unravel mysteries of planet formation and evolution in distant planetary system

TOI-1136, a dwarf star located more than 270 light years from Earth, is host to six confirmed exoplanets and a seventh as yet unconfirmed candidate. The system has provided a rich source of information on planet formation and evolution in a young solar system. Researchers used a variety of tools to compile radial velocity and transit timing variation readings to derive highly precise measurements of the exoplants' masses, orbital information and atmospheres.

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Optical Illusion: क्या 6 सेकंड के भीतर तस्वीर में छिपे गैलिलियो को खोज सकते हैं आप

ऑप्टिकल इल्यूजन को हल करना काफी रोचक होता है। मनोरंजन के साथ-साथ इसकी मदद से आपका दिमाग भी तेज बनता है। इसलिए ऑप्टिकल इल्यूजन को हल करना काफी फायदेमंद हो सकता है। आज का चैलेंज भी आपके दिमाग के लिए किसी एक्सरसाइज से कम नहीं है। जानें क्या है आज के ऑप्टिकल इल्यूजन का चैलेंज जिसे आपको 6 सेकंड में हल करना है।

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Fried Toothpick: वायरल पोस्ट में लोग खाते दिखे टूथ पिक, जानें क्या है यह पूरी घटना

हाल ही में सोशल मीडिया पर काफी हैरान करने वाली घटना सामने आ रही है। यह घटना ऐसी है कि आप सुनकर चक्कर में पड़ जाएंगे कि यह कैसे हो सकता है। दरअसल यह घटना टूथ पिक खाने की है। जी हां सोशल मीडिया पर वायरल हो रहे पोस्ट में लोग टूथ पिक खाते हुए नजर आ रहे थे। जानें क्या है यह टूथ पिक खाने की पूरी कहानी।

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2020 US rule dramatically deregulated wetlands, streams and drinking water

New research used machine learning to more accurately predict which waterways are protected by the Clean Water Act. The analysis found that a 2020 Trump administration rule removed Clean Water Act protection for one-fourth of US wetlands and one-fifth of US streams, and also deregulated 30% of watersheds that supply drinking water to household taps.

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Achieving sustainable urban growth on a global scale

An international group of leading scientists call for an urgent change in the governance of urban expansion as the world's cities continue to grow at unprecedented rates.

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The underground network: Decoding the dynamics of plant-fungal symbiosis

The intricate dance of nature often unfolds in mysterious ways, hidden from the naked eye. At the heart of this enigmatic tango lies a vital partnership: the symbiosis between plants and a type of fungi known as arbuscular mycorrhizal (AM) fungi. New groundbreaking research delves into this partnership, revealing key insights that deepen our understanding of plant-AM fungi interactions and could lead to advances in sustainable agriculture.

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New video camera system captures the colored world that animals see, in motion

A new camera system allows ecologists and filmmakers to produce videos that accurately replicate the colors that different animals see in natural settings.

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Gravity helps show strong force strength in the proton

New research conducted by nuclear physicists is using a method that connects theories of gravitation to interactions among the smallest particles of matter. The result is insight into the strong force, a powerful mediator of particle interactions in the subatomic realm. The research has revealed, for the first time, a snapshot of the distribution of the shear strength of the strong force inside the proton -- or how strong an effort must be to overcome the strong force to move an object it holds in its grasp. At its peak, the nuclear physicists found that a force of over four metric tons would be required to overcome the binding power of the strong force.

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Tiny ant species disrupts lion's hunting behavior

Data gathered through years of observation reveal an innocuous-seeming ant is disrupting an ecosystem in East Africa, illustrating the complex web of interactions among ants, trees, lions, zebras and buffaloes.

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'Talking' tomatoes: How their communication is influenced by enemies and friends

Plants produce a range of chemicals known as volatile organic compounds that influence their interactions with the world around them. In a new study, researchers investigated how the type and amount of these VOCs change based on different features of tomato plants.

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Global groundwater depletion is accelerating, but is not inevitable

Groundwater is rapidly declining across the globe, often at accelerating rates. Researchers now present the largest assessment of groundwater levels around the world, spanning nearly 1,700 aquifers. In addition to raising the alarm over declining water resources, the work offers instructive examples of where things are going well, and how groundwater depletion can be solved. The study is a boon for scientists, policy makers and resource managers working to understand global groundwater dynamics.

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New pieces in the puzzle of first life on Earth

Microorganisms were the first forms of life on our planet. The clues are written in 3.5 billion-year-old rocks by geochemical and morphological traces, such as chemical compounds or structures that these organisms left behind. However, it is still not clear when and where life originated on Earth and when a diversity of species developed in these early microbial communities. Evidence is scarce and often disputed. Now, researchers have uncovered key findings about the earliest forms of life. In rock samples from South Africa, they found evidence dating to around 3.42 billion years ago of an unprecedentedly diverse carbon cycle involving various microorganisms. This research shows that complex microbial communities already existed in the ecosystems during the Palaeoarchaean period.

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New model predicts how shoe properties affect a runner's performance

A new model predicts how shoe properties will affect a runner's performance. The model could be a tool for designers looking to push the boundaries of sneaker design.

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World's first successful embryo transfer in rhinos paves the way for saving the northern white rhinos from extinction

Scientists have succeeded in achieving the world's first pregnancy of a rhinoceros after an embryo transfer. The southern white rhino embryo was produced in vitro from collected egg cells and sperm and transferred into a southern white rhino surrogate mother at the Ol Pejeta Conservancy in Kenya on September 24, 2023. The BioRescue team confirmed a pregnancy of 70 days with a well-developed 6.4 cm long male embryo. The successful embryo transfer and pregnancy are a proof of concept and allow to now safely move to the transfer of northern white rhino embryos -- a cornerstone in the mission to save the northern white rhino from extinction.

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Planetary Commons: Fostering global cooperation to safeguard critical Earth system functions

Tipping elements of the Earth system should be considered global commons, researchers argue. Global commons cannot -- as they currently do -- only include the parts of the planet outside of national borders, like the high seas or Antarctica. They must also include all the environmental systems that regulate the functioning and state of the planet, namely all systems on Earth we all depend on, irrespective on where in the world we live. This calls for a new level of transnational cooperation, leading experts in legal, social and Earth system sciences say. To limit risks for human societies and secure critical Earth system functions they propose a new framework of planetary commons to guide governance of the planet.

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Uncovering the secrets behind the silent flight of owls

Owls produce negligible noise while flying. While many studies have linked the micro-fringes in owl wings to their silent flight, the exact mechanisms have been unclear. Now, a team of researchers has uncovered the effects of these micro-fringes on the sound and aerodynamic performance of owl wings through computational fluid dynamic simulations. Their findings can inspire biomimetic designs for the development of low-noise fluid machinery.

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Scientists advance affordable, sustainable solution for flat-panel displays and wearable tech

Scientists have developed 'supramolecular ink,' a new 3D-printable OLED (organic light-emitting diode) material made of inexpensive, Earth-abundant elements instead of costly scarce metals. The advance could enable more affordable and environmentally sustainable OLED flat-panel displays as well as 3D-printable wearable technologies and lighting.

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Student discovers 200-million-year-old flying reptile

Gliding winged-reptiles were amongst the ancient crocodile residents of the Mendip Hills in Somerset, England, researchers at the have revealed.

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Groundbreaking discovery enables cost-effective and eco-friendly green hydrogen production

A research team has developed a novel catalyst for the high-efficiency and stable production of high-purity green hydrogen.

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DNA becomes our 'hands' to construct advanced nanoparticle materials

A new paper describes a significant leap forward in assembling polyhedral nanoparticles. The researchers introduce and demonstrate the power of a novel synthetic strategy that expands possibilities in metamaterial design. These are the unusual materials that underpin 'invisibility cloaks' and ultrahigh-speed optical computing systems.

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New medicine can create a new life for diabetes patients -- without needles!

Researchers have found a new way to supply the body with insulin. The medication that can be taken orally has already been tested on baboons, in which it was found to lower the blood sugar levels without causing hypoglycemia. The new insulin is ready to be tested on humans in 2025. If all goes well, diabetics are facing an easier life without injections.

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DNA origami folded into tiny motor

Scientists have created a working nanoscale electomotor. The science team designed a turbine engineered from DNA that is powered by hydrodynamic flow inside a nanopore, a nanometer-sized hole in a membrane of solid-state silicon nitride. The tiny motor could help spark research into future applications such as building molecular factories or even medical probes of molecules inside the bloodstream.

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Astronomers produce most sensitive radio image ever of ancient star cluster

Astronomers have created the most sensitive radio image ever of a globular cluster, an ancient ball of tightly-packed stars.

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Why animals shrink over time explained with new evolution theory

The new theoretical research proposes that animal size over time depends on two key ecological factors.

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Ancient 'chewing gum' reveals stone age diet

What did people eat on the west coast of Scandinavia 10,000 years ago? A new study of the DNA in a chewing gum shows that deer, trout and hazelnuts were on the diet. It also shows that one of the individuals had severe problems with her teeth.

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New map shows where damaging earthquakes are most likely to occur in US

Scientists recently revealed the latest National Seismic Hazard Model, showing that nearly 75% of the United States could experience a damaging earthquake, emphasizing seismic hazards span a significant part of the country.

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Lab-grown retinas explain why people see colors dogs can't

With human retinas grown in a petri dish, researchers discovered how an offshoot of vitamin A generates the specialized cells that enable people to see millions of colors, an ability that dogs, cats, and other mammals do not possess. The findings increase understanding of color blindness, age-related vision loss, and other diseases linked to photoreceptor cells. They also demonstrate how genes instruct the human retina to make specific color-sensing cells, a process scientists thought was controlled by thyroid hormones.

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Pacific kelp forests are far older that we thought

Fossils of kelp along the Pacific Coast are rare. Until now, the oldest fossil dated from 14 million years ago, leading to the view that today's denizens of the kelp forest -- marine mammals, urchins, sea birds -- coevolved with kelp. A recent amateur discovery pushes back the origin of kelp to 32 million years ago, long before these creatures appeared. A new analysis suggests the first kelp grazers were extinct, hippo-like animals called desmostylians.

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NASA's Webb discovers dusty 'cat's tail' in Beta Pictoris System

Beta Pictoris, a young planetary system located just 63 light-years away, continues to intrigue scientists even after decades of in-depth study. It possesses the first dust disk imaged around another star -- a disk of debris produced by collisions between asteroids, comets, and planetesimals. Observations from NASA's Hubble Space Telescope revealed a second debris disk in this system, inclined with respect to the outer disk, which was seen first. Now, a team of astronomers using NASA's James Webb Space Telescope to image the Beta Pictoris system (Beta Pic) has discovered a new, previously unseen structure.

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Optical Illusion: पत्तों के बीच छिपा है एक कछुआ, क्या 9 सेकंड में उसे खोज पाएंगे आप

ऑप्टिकल इल्यूजन एक बड़ा ही मजे का खेल है जो आपके दिमाग को हिलाकर रख देगा। इसे हल करने के लिए तेज दिमाग और आंखें दोनो की ही जरूरत होती है। इसलिए इसे हल करने में गजब मजा आता है। आज का हमारा चैलेंज भी कुछ ऐसा ही है। इस ऑप्टिकल चैलेंज को हल करने के लिए मात्र 9 सेकंड का समय है। जानें क्या है हमारा आज का चैलेंज।

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Science confirms it: Love leaves a mark on the brain

The brain produces more of the pleasure-inducing hormone dopamine when we're longing for or hanging out with our partner, new research suggests. But when we break up, their unique 'chemical imprint' fades away. The study centers around prairie voles, which have the distinction of being among the 3 percent to 5 percent of mammals that form monogamous pair bonds.

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Optical Illusion: तस्वीर में छिपे गुब्बारे को खोज, दें अपनी तेज आंखों की पहचान

ऑप्टिकल इल्यूजन एक बहुत रोमांचक गेम होता है जिसे सॉल्व करने के लिए काफी अच्छी ऑब्जरवेशनल स्किल्स की जरूरत होती है। इससे आपका दिमाग भी एक्टिव रहता है और उसकी एक्सरसाइज भी हो जाती है। इसलिए इसे सॉल्व करने से एंटरटेंमेंट के साथ साथ फायदा भी हो सकता है। जानें क्या है हमारे आज के ऑप्टिकल इल्यूजन का मजेदार चैलेंज।

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Astronomers make rare exoplanet discovery, and a giant leap in detecting Earth-like bodies

Astronomers have made the rare discovery of a small, cold exoplanet and its massive outer companion -- shedding light on the formation of planets like Earth.

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Need for speed: How hummingbirds switch mental gears in flight

Hummingbirds use two distinct sensory strategies to control their flight, depending on whether they're hovering or in forward motion, according to new research.

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The extinction of the giant ape: Long-standing mystery solved

The largest ever primate Gigantopithecus blacki went extinct when other Asian great apes were thriving, and its demise has long been a mystery. A massive regional study of 22 caves in southern China explores a species on the brink of extinction between 295,000 and 215,000 years ago. As the environment became more seasonal, forest plant communities changed Primates such as orangutans adapted their eating habits and behaviors in response but G. blacki showed signs of stress, struggled to adapt and their numbers dwindled.

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Advancing the generation of in-vivo chimeric lungs in mice using rat-derived stem cells

Creating a functional lung using interspecies chimeric animals is an attractive albeit challenging option for lung transplantation, requiring more research on the viable conditions needed for organ generation. A new study uses reverse-blastocyst complementation and tetraploid-based organ complementation methods to first determine these conditions in lung-deficient mice and then to generate rat-derived lungs in these mice. It provides useful insights on the intrinsic species-specific barriers and factors associated with lung development in interspecies chimeric animals.

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'Blob-like' home of farthest-known fast radio burst is collection of seven galaxies

In summer 2022, astronomers detected the most powerful and most distant fast radio burst (FRB) ever observed. Now, astronomers have pinpointed the extraordinary object's birthplace -- and it's rather curious, indeed. Using images from NASA's Hubble Space Telescope, the researchers traced the FRB back to not one galaxy but a group of at least seven galaxies.

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Stranger than friction: A force initiating life

As the potter works the spinning wheel, the friction between their hands and the soft clay helps them shape it into all kinds of forms and creations. In a fascinating parallel, sea squirt oocytes (immature egg cells) harness friction within various compartments in their interior to undergo developmental changes after conception.

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Researchers identify new coding mechanism that transfers information from perception to memory

Our memories are rich in detail: we can vividly recall the color of our home, the layout of our kitchen, or the front of our favorite cafe . How the brain encodes this information has long puzzled neuroscientists.

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Study reveals new genetic link between anorexia nervosa and being an early riser

New research indicates that the eating disorder anorexia nervosa is associated with being an early riser, unlike many other disorders that tend to be evening-based such as depression, binge eating disorder and schizophrenia.

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Hearing aids may help people live longer

A new study shows that adults with hearing loss who regularly used hearing aids had a 24% lower risk of mortality than those who never wore them.

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The (wrong) reason we keep secrets

People often keep adverse information about themselves secret because they worry that others will judge them harshly. But those fears are overblown, according to new research.

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Researchers rely on Earth's magnetic field to verify an event mentioned in the Old Testament

A new study scientifically corroborates an event described in the Second Book of Kings -- the conquest of the Philistine city of Gath by Hazael King of Aram. The method is based on measuring the magnetic field recorded in burnt bricks. The researchers say that the findings are important for determining the intensity of the fire and the scope of destruction in Gath, and also for understanding construction practices in the region.

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Functional semiconductor made from graphene

Researchers have created the first functional semiconductor made from graphene, a single sheet of carbon atoms held together by the strongest bonds known. The breakthrough throws open the door to a new way of doing electronics.

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Human beliefs about drugs could have dose-dependent effects on the brain

Mount Sinai researchers have shown for the first time that a person's beliefs related to drugs can influence their own brain activity and behavioral responses in a way comparable to the dose-dependent effects of pharmacology.

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'Juvenile T. rex' fossils are a distinct species of small tyrannosaur

A new analysis of fossils believed to be juveniles of T. rex now shows they were adults of a small tyrannosaur, with narrower jaws, longer legs, and bigger arms than T. rex. The species, Nanotyrannus lancensis, was first named decades ago but later reinterpreted as a young T. rex. The new study shows Nanotyrannus was a smaller, longer-armed relative of T. rex, with a narrower snout.

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Is oxygen the cosmic key to alien technology?

Astrophysicists outline the links between atmospheric oxygen and the potential rise of advanced technology on distant planets.

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Evolution might stop humans from solving climate change

Human culture has evolved to allow humans to extract resources and helped us expand to dominate the biosphere. But the same evolutionary processes may counteract efforts to solve new global environmental threats like climate change, according to a new study. Tackling the climate crisis will require worldwide regulatory, technical and economic systems supported by strong global cooperation. However, this new study concludes that the group-level processes characteristic of human cultural evolution, will cause environmental competition and conflict between sub-global groups, and work against global solutions. Adapting to climate change and other environmental problems will, therefore, require human evolution to change.

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From NYC to DC and beyond, cities on the East Coast are sinking

Major cities on the U.S. Atlantic coast are sinking, in some cases as much as 5 millimeters per year -- a decline at the ocean's edge that well outpaces global sea level rise, confirms new research. Particularly hard hit population centers such as New York City and Long Island, Baltimore, and Virginia Beach and Norfolk are seeing areas of rapid 'subsidence,' or sinking land, alongside more slowly sinking or relatively stable ground, increasing the risk to roadways, runways, building foundations, rail lines, and pipelines, according to a new study.

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Ants recognize infected wounds and treat them with antibiotics

The African Matabele ants are often injured in fights with termites. Their conspecifics recognize when the wounds become infected and initiate antibiotic treatment.

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Optical Illusion: तस्वीर में छिपी है एक स्ट्रॉबेरी, जिसे 4 सेकंड में खोज करें इस चैलेंज को पूरा

ऑप्टिकल इल्यूजन आपके दिमाग के लिए काफी फायदेमंद हो सकता है। बढ़ती उम्र के साथ दिमाग को हेल्दी रखना काफी जरूरी होता है। इसमें ऑप्टिकल इल्यूजन आपकी मदद कर सकता है। यह बेहद दिलचस्प गेम होता है जिसमें आपको तस्वीर में दिए हुए मजेदार चैलेंज को पूरा करना होता है। जानें क्या है हमारे आज के ऑप्टिकल इल्यूजन का चैलेंज।

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Optical Illusion: क्या तस्वीर में छिपे टोपी वाले कुत्ते को 6 सेकंड में खोज सकते हैं आप

ऑप्टिकल इल्यूजन ब्रेन को एक्टिव रखने के लिए काफी लाभदायक है। इसकी मदद से आप अपनी ऑब्जरवेशनल स्किल्स को भी टेस्ट कर सकते हैं। इससे आपकी रीजनिंग और याददाश्त तेज होंगे। इसलिए हम आपके लिए लाए हैं एक बेहद ही खास ऑप्टिकल इल्यूजन जिसे सॉल्व करने के लिए आपकी दिमाग और आंखों का तेज होना बेहद जरूरी है। जानें क्या है आज का ऑप्टिकल इल्यूजन।

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