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Scientists use machine learning to predict diversity of tree species in forests

A collaborative team of researchers led by Ben Weinstein of the University of Florida, Oregon, US, used machine learning to generate highly detailed maps of over 100 million individual trees from 24 sites across the U.S., and published their findings.....»»

Category: topSource:  physorgJul 16th, 2024

Uncovering a centaur"s tracks: Scientists examine unique asteroid-comet hybrid

Although our solar system is billions of years old, we've only recently become better acquainted with one of its more dynamic and captivating inhabitants known as (2060) Chiron......»»

Category: topSource:  physorgRelated NewsDec 18th, 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

Assault on DEI: Critics use simplistic terms to attack the programs, but they are key to uprooting workplace bias

Prominent politicians have recently increased their attacks on workplace programs that promote diversity, equity and inclusion, or DEI. They claim that initiatives that seek to be inclusive are divisive and lack merit......»»

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

Machine learning framework improves groundwater recharge estimates in Western Australia

A new study led by Griffith University has unveiled a machine learning-based framework to accurately estimate groundwater recharge in the Perth Basin, with a particular focus on the Gnangara groundwater system......»»

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

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

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

25 years after Lothar: How the windstorm rebuilt Swiss forests

On the morning of December 26, 1999, the winter storm "Lothar" swept across Switzerland, knocking down around 14 million cubic meters of wood, three times the annual logging volume. WSL experts answer numerous questions about how the forest is doing.....»»

Category: topSource:  pcmagRelated NewsDec 18th, 2024

Topographic complexity: A blueprint for biodiversity conservation

In the intricate landscapes of karst regions, the subtle interplay of slopes, soils, and microclimates is shaping the survival of plant species. A new study published in Forest Ecosystems has revealed how the unique structure of dolines—topographic.....»»

Category: topSource:  pcmagRelated 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

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

Low glycemic index rice seen as promising solution to mitigate Asia"s diabetes crisis

A new paper recently published by scientists explores the potential of low glycemic index (Low GI) rice to combat the growing diabetes epidemic, particularly in Asia......»»

Category: topSource:  theglobeandmailRelated NewsDec 17th, 2024

How the loss of urban trees affects education outcomes

It's well established that urban tree cover provides numerous environmental and psychological benefits to city dwellers. Urban trees may also bolster education outcomes and their loss could disproportionately affect students from low-income families,.....»»

Category: topSource:  theglobeandmailRelated NewsDec 17th, 2024