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California redwoods are struggling in the heat — and it's not clear how much damage is being done
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California redwoods are struggling in the heat — and it's not clear how much damage is being done

When temperatures spike, California redwoods slow down photosynthesis, new research has found. This finding has serious implications for the long-term survival of the iconic trees in a warming world, and their role in storing carbon from the atmosphere.California redwood (Sequoia sempervirens) forests are among the largest aboveground carbon stores on the planet. These towering trees are native to central and northern California, and evolved to take advantage of the region's historically mild weather. In recent decades, their range has contracted significantly. But climate change is threatening the health and function of these forests.The region has seen significant warming in recent decades...

📅 2026-10-17 11:45:00    •    Live Science
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A 24-year study uncovers a surprising climate benefit beneath forests
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A 24-year study uncovers a surprising climate benefit beneath forests

Scientists have discovered that some forest soils are becoming surprisingly better at removing methane from the atmosphere as temperatures rise and rainfall declines. A study spanning up to 24 years found methane absorption increasing by an average of 3% annually, challenging previous predictions about climate change's effects on forests.

📅 2026-10-17 11:33:48    •    ScienceDaily
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During El Niño, a perfect storm of weather systems could spell disaster for the Great Barrier Reef
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During El Niño, a perfect storm of weather systems could spell disaster for the Great Barrier Reef

The strong El Niño currently under way in the Pacific Ocean raises the specter of marine heat waves and coral bleaching once again threatening Australia's iconic Great Barrier Reef. And now new research has revealed the complex interplay of atmospheric patterns and weather systems thousands of kilometers apart that can combine in a recipe potentially fatal for coral reefs.

📅 2026-10-17 11:00:07    •    Phys.org
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Is the brain actually 2 nervous systems smooshed together? A new study claims it is.
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Is the brain actually 2 nervous systems smooshed together? A new study claims it is.

Recent research challenges a long-standing idea about how the brain develops: Rather than arising from a single source, the brain may emerge from two distinct populations of cells, the study finds."The brain appears as one organ," said study co-author Kyle Loh, an associate professor of developmental biology at Stanford University. "However, we discovered that the front part of the brain and the back part of the brain come from different sources, which are pushed together to create the appearance of a single organ," Loh told Live Science in an email.The findings, published in September in the journal Nature Neuroscience, not only challenge established models of how the brain forms but may al...

📅 2026-10-17 11:00:00    •    Live Science
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Has there ever been a mountain taller than Everest?
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Has there ever been a mountain taller than Everest?

Sometimes, it takes a great struggle to build towering peaks. And what more thunderous event is there than the clashing of continental plates? Geological pileups have birthed some of the largest and tallest mountains on the planet, including Mount Everest and its Himalayan neighbors. But has there ever been a peak taller than Mount Everest, which stands 29,032 feet (8,849 meters) above sea level? The answer is still a mystery, but there are some geological clues about where the tallest peaks would have been in the ancient past, experts told Live Science. Earth's lost mountainsGeologists don't have the level of detail required to pinpoint an exact highest peak hundreds of millions of years ag...

📅 2026-10-17 09:00:00    •    Live Science
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New 4,300-mile-long internet cable will shuttle data along the ocean floor at 1 million gigabits per second
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New 4,300-mile-long internet cable will shuttle data along the ocean floor at 1 million gigabits per second

A new 4,300-mile (7,000-kilometer) undersea fiber cable will shuttle data between the U.S. and France at breakneck speeds of up to 1 million gigabits per second (Gbps) — enough to move around 125 terabytes of data every second, or roughly 25,000 HD movies, each 5 gigabytes large. The cable, called Petal, will be funded and operated by Facebook and Instagram parent company Meta.When it comes online in 2029, the ocean-spanning cable will be the first to deliver petabit capacity — double the capacity of existing subsea cables of this length — across transoceanic distances, Meta representatives said in a statement. That's enough to allow 75% of the world's population to stream music at once.Peta...

📅 2026-10-17 09:00:00    •    Live Science
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Optical imaging links altered metabolism and oxygen use in Alzheimer's disease
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Optical imaging links altered metabolism and oxygen use in Alzheimer's disease

Alzheimer's disease is best known for its effects on memory and cognition, but the disease also involves changes in how brain cells produce and use energy. Mitochondria, the structures that supply much of a cell's energy, can become dysfunctional in Alzheimer's disease. At the same time, changes in blood flow and oxygen availability may place additional demands on brain tissue. Understanding how these processes interact could help researchers characterize metabolic changes that accompany the disease.

📅 2026-10-17 08:16:41    •    Phys.org
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Scientists discover how deep sleep builds muscle, burns fat, and boosts the brain
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Scientists discover how deep sleep builds muscle, burns fat, and boosts the brain

Scientists have discovered a surprising two-way relationship between sleep and growth hormone, revealing how the brain carefully balances physical recovery with wakefulness. The findings could help explain why poor sleep harms metabolism and brain health, potentially opening the door to new treatments for sleep and neurological disorders.

📅 2026-10-17 05:14:50    •    ScienceDaily
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How animal identifiability affects children's food choices
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How animal identifiability affects children's food choices

Naming a chicken and describing its favorite habits is enough to make preschoolers choose poultry less often. This effect translates into verbal declarations and actual meal choices, but food preferences still most often win over empathy, according to a new paper by researchers from SWPS University.

📅 2026-10-17 02:40:01    •    Phys.org
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Scientists predicted doomsday for November 13, 2026. Should we be worried?
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Scientists predicted doomsday for November 13, 2026. Should we be worried?

In 1960, scientists predicted that runaway population growth would bring humanity to the brink of destruction on November 13, 2026, and their mathematical forecasts remained surprisingly accurate for decades. But as birth rates declined and population growth slowed, the terrifying prediction unraveled, revealing how even convincing scientific models can fail when human behavior changes.

📅 2026-10-17 01:52:59    •    ScienceDaily
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Political violence: How justifications influence voter approval
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Political violence: How justifications influence voter approval

What happens when political violence is presented as a justified response to threat or injustice coming from an out-group? A study by Ursula Daxecker, director at the Max Planck Institute for Politics and Social Science in Göttingen, and Neeraj Prasad of the University of Amsterdam, published in The Journal of Politics, finds that legitimizing violence can increase public approval of both violence and the parties involved in it. Among BJP supporters, the effect went even further: when violence was portrayed as justified, they were less approving of a peaceful response by their own party.

📅 2026-10-17 01:00:02    •    Phys.org
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SpaceX just delivered some very strange cargo to the International Space Station
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SpaceX just delivered some very strange cargo to the International Space Station

SpaceX just delivered some surprisingly strange cargo to the International Space Station, including tiny brain models, 3D heart tissue, and technology for making artificial retinas in space. Scientists hope these experiments could unlock new ways to treat devastating brain diseases, restore eyesight, and test future medicines. The shipment also includes materials for creating unusual glass in near weightlessness and the station’s final upgraded solar arrays.

📅 2026-10-16 23:51:58    •    ScienceDaily
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Scientists uncover mystery of how snail shells coil to the right or to the left
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Scientists uncover mystery of how snail shells coil to the right or to the left

Scientists have discovered a gene that determines whether Japanese snails develop shells that are left- or right-coiling—with implications for understanding the underlying handedness of our own bodies. The researchers from the University of Nottingham and Tohoku University studied wild Euhadra snails in Japan to understand what makes one snail a mirror image of another.

📅 2026-10-16 23:40:10    •    Phys.org
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James Webb reveals a strange bulge in an alien planet's atmosphere
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James Webb reveals a strange bulge in an alien planet's atmosphere

Astronomers using the James Webb Space Telescope have discovered that a distant alien planet's atmosphere is surprisingly lopsided. Located 1,300 light-years away, the scorching gas giant WASP-17b experiences powerful winds that redistribute heat, causing one side of its atmosphere to bulge outward. A groundbreaking new mapping technique revealed these hidden distortions, confirming predictions about how extreme temperatures and winds shape alien worlds.

📅 2026-10-16 23:27:29    •    ScienceDaily
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Plants shift gene activity within minutes of entering spaceflight, experiment reveals
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Plants shift gene activity within minutes of entering spaceflight, experiment reveals

Plants begin responding to spaceflight almost immediately after leaving Earth, according to a new University of Florida study that captured the earliest stages of biological adaptation during a commercial suborbital mission. Published in the journal npj Microgravity, the study reports the results of an experiment conducted by a UF astronaut during Blue Origin's New Shepard NS-26 flight on Aug. 29, 2024.

📅 2026-10-16 23:00:01    •    Phys.org
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New 3D model reveals how shadows reshape chemistry in stellar nurseries
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New 3D model reveals how shadows reshape chemistry in stellar nurseries

How do young stars reshape the clouds from which they are born? A new high-resolution 3D model developed by an international team led by Dr Brandt Gaches from the University of Duisburg-Essen shows how the uneven structure of stellar nurseries creates shadows that alter their chemistry and influence the infrared emission observed by the James Webb Space Telescope. The model has now been published in Astronomy & Astrophysics.

📅 2026-10-16 22:40:04    •    Phys.org
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New high-frequency method boosts 2D material readout for next-gen quantum computers
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New high-frequency method boosts 2D material readout for next-gen quantum computers

Quantum computers represent a next step in the fast-paced evolution of technology. Using quantum bits (qubits), they have the potential to run certain calculations exponentially faster than conventional computers. However, developing and fine-tuning quantum computers requires an enormous number of repetitive tests. To accelerate quantum technology development, we need a method that can read quantum states at ultrafast speeds.

📅 2026-10-16 22:00:01    •    Phys.org
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