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Scientists find new way global air churn makes particles

You can think of our atmosphere as a big chemistry set, a global churn of gaseous molecules and particles that constantly bounce off and change each other in complicated ways. While the particles are very small, often less than 1% of the thickness of.....»»

Category: topSource:  physorgJul 12th, 2024

Scientists provide insights into photosystem II under low-light conditions

In higher plants and green algae, photosystem II (PSII) usually combines with light harvesting complex II (LHCII) to form the PSII-LHCII supercomplex. Under low-light conditions, the PSII-LHCII supercomplexes are organized laterally into higher-order.....»»

Category: topSource:  physorgRelated NewsDec 18th, 2024

Flying this holiday season? Here"s why air travel makes us so cranky—and what to do about it

The holidays are coming, airports are packed and emotions are running high. You've probably seen it or even been part of it: that tense moment when a passenger snaps at a flight attendant, or a near-meltdown over a seat reclining too far. Why does fl.....»»

Category: topSource:  physorgRelated NewsDec 18th, 2024

Melting sea ice in Antarctica causes ocean storms, scientists say

The record-breaking retreat of Antarctic sea ice in 2023 has led to more frequent storms over newly exposed parts of the Southern Ocean, according to a study published Wednesday......»»

Category: topSource:  physorgRelated NewsDec 18th, 2024

How bad will it get? Political scientists have a pessimism bias, study finds

The past decade has seen historic challenges for U.S. democracy and an intense focus by scholars on events that seem to signal democratic decline. But new research released Dec. 17 finds that a bias toward pessimism among U.S. political scientists of.....»»

Category: topSource:  physorgRelated NewsDec 18th, 2024

Swedish oak forests study reveals unexpected patterns in biodiversity, poses challenge for conservation

A new study from Linnaeus University reports that plant and insect diversity in Swedish oak forests increases toward the north. This finding contrasts with established global biodiversity patterns and poses a challenge for the development of climate-.....»»

Category: topSource:  pcmagRelated NewsDec 18th, 2024

Ice is melting, seas are rising—how scientists are tracking the changes

Will the sea rise by 20 cm or 3 meters by 2100? This is obviously an interesting question to answer. Predicting the sea level in 75 years requires precise calculations and correct models of the melting of the ice from, e.g., Greenland. To do so, rese.....»»

Category: topSource:  pcmagRelated NewsDec 18th, 2024

Scientists witness evolution in action when two lizard species meet for the first time

In South Florida, two Caribbean lizard species met for the first time. What followed provided some of the clearest evidence to date of evolution in action......»»

Category: topSource:  pcmagRelated NewsDec 18th, 2024

Ancient clay remedy may have potential to boost modern gut health

A team of scientists has discovered that an ancient medicinal clay known as Lemnian earth (LE) could inspire new understanding of how to support present-day gut health......»»

Category: topSource:  pcmagRelated NewsDec 18th, 2024

Animal welfare group says bacterial infection killed Sonia the elephant in Pakistan

Pakistani veterinary surgeons found that a bacterial infection killed an elephant at a safari park in the city of Karachi earlier this month, a veterinarian with a global animal welfare organization said Wednesday......»»

Category: topSource:  pcmagRelated NewsDec 18th, 2024

Climate change made Cyclone Chido stronger: Scientists

Climate change intensified Cyclone Chido as it barreled toward the Indian Ocean archipelago of Mayotte, said a preliminary study by scientists studying the link between global warming and tropical storms......»»

Category: topSource:  pcmagRelated NewsDec 18th, 2024

Building a backbone: Scientists recreate the body"s "GPS system" in the lab

Scientists at the Francis Crick Institute have generated human stem cell models which, for the first time, contain notochord—a tissue in the developing embryo that acts like a navigation system, directing cells where to build the spine and nervous.....»»

Category: topSource:  pcmagRelated NewsDec 18th, 2024

Dormant massive black hole in the early universe challenges existing models

Scientists have spotted a massive black hole in the early universe that is "napping" after stuffing itself with too much food. Like a bear gorging itself on salmon before hibernating for the winter, or a much-needed nap after Christmas dinner, this b.....»»

Category: topSource:  pcmagRelated NewsDec 18th, 2024

Small habitats, big consequences: Connectivity loss in pond networks threatens microbial biodiversity

In the midst of the ongoing global biodiversity crisis, even the smallest habitats like ponds demand our attention. Fragmentation of these habitats—driven by human activities like urbanization, agriculture, and land-use changes—poses a significan.....»»

Category: topSource:  pcmagRelated NewsDec 18th, 2024

Thin-film tech makes nuclear clocks a 1,000 times less radioactive and more affordable

In the quest for ultra-precise timekeeping, scientists have turned to nuclear clocks. Unlike optical atomic clocks—which rely on electronic transitions—nuclear clocks utilize the energy transitions in the atom's nucleus, which are less affected b.....»»

Category: topSource:  pcmagRelated NewsDec 18th, 2024

Sonos Sub Mini vs. Sonos Sub 4: Which boom should you buy?

Which Sonos subwoofer is the right fit for your home? Should you opt for the tried-and-true larger Sonos Sub or the smaller Sub Mini? Let's compare to find out......»»

Category: topSource:  digitaltrendsRelated NewsDec 18th, 2024

Young exoplanet"s atmosphere unexpectedly differs from its birthplace

Just as some children physically resemble their parents, many scientists have long thought that developing planets should resemble the swirling disk of gas and dust that births them......»»

Category: topSource:  informationweekRelated NewsDec 18th, 2024

Chinese detector to hunt elusive neutrinos deep underground

Underneath a granite hill in southern China, a massive detector is nearly complete that will sniff out the mysterious ghost particles lurking around us......»»

Category: topSource:  informationweekRelated NewsDec 18th, 2024

CISO accountability: Navigating a landscape of responsibility

What was once primarily a technical role, CISOs now find themselves accountable for organizational risk, regulatory compliance, and even legal liabilities across the entire organization. However, as cyber threats intensify, it’s clear that overseei.....»»

Category: securitySource:  netsecurityRelated NewsDec 18th, 2024

The social cost of carbon: Study finds current estimates omit key effects

The social cost of carbon—an important figure that global policymakers use to analyze the benefits of climate and energy policies—is too low, according to a study led by the University of California, Davis......»»

Category: topSource:  theglobeandmailRelated NewsDec 17th, 2024

Brain cells mature faster in space but stay healthy: ISS study

Microgravity is known to alter the muscles, bones, the immune system and cognition, but little is known about its specific impact on the brain. To discover how brain cells respond to microgravity, Scripps Research scientists, in collaboration with th.....»»

Category: topSource:  theglobeandmailRelated NewsDec 17th, 2024