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Top Science News

December 5, 2024

Astrophysicists find the birth sites of gigantic elliptical galaxies which they say gives new clues about how they were formed. The galaxies look like bulging footballs and how they were created ...
Brain tissue is among the most energetically costly in the body, and as a result, larger-brained mammals require more energy to support brain growth and maintenance. Exactly which biological changes allowed human ancestors to meet the very high ...
Scientists have uncovered the first direct evidence that ancient Americans relied primarily on mammoth and other large animals for food. Their research sheds new light on both the rapid expansion of humans throughout the Americas and the extinction ...
Exposure to car exhaust from leaded gas during childhood altered the balance of mental health in the U.S. population, making generations of Americans more depressed, anxious and inattentive or hyperactive, according to researchers. They estimate ...

Latest Top Headlines

updated 10:48pm EST

Health News

December 5, 2024

Researchers have linked a specific type of body fat to the abnormal proteins in the brain that are hallmarks of Alzheimer's disease up to 20 years before the earliest symptoms of dementia appear, according to a new study. The researchers emphasized ...
Researchers have reported the discovery of a previously unknown compound in chloraminated drinking water. Inorganic chloramines are commonly used to disinfect drinking water to safeguard public health from diseases like cholera and typhoid ...
By combining 25 datasets, researchers have created the largest cohesive cell atlas of the human gut and uncovered a new way that stomach cells may play a role in Inflammatory Bowel ...
An international team of researchers has achieved an unprecedented milestone: the creation of mouse stem cells capable of generating a fully developed mouse using genetic tools from a unicellular organism, with which we share a common ancestor that ...

Latest Health Headlines

updated 10:48pm EST

Physical/Tech News

December 5, 2024

A theoretical study suggests that small black holes born in the early universe may have left behind hollow planetoids and microscopic tunnels, and that we should start looking within rocks and old ...
Researchers have made a record-breaking astrophysical discovery while simultaneously uncovering a possible explanation for the rare and extreme astrophysical event known as long-period radio ...
Dark ovals in Jupiter's polar haze, visible only at UV wavelengths, were first noticed 25 years ago, then ignored. A new study shows that these dark UV ovals are common, appearing at the south pole in 75% of Hubble Space Telescope images taken since ...
New research has uncovered what may be the oldest direct evidence of ancient hot water activity on Mars, revealing the planet may have been habitable at some point in its ...

Latest Physical/Tech Headlines

updated 10:48pm EST

Environment News

December 5, 2024

More than a million years ago, on a hot savannah teeming with wildlife near the shore of what would someday become Lake Turkana in Kenya, two completely different species of hominins may have passed ...
Paleoindians at Wyoming's LaPrele mammoth site made needles from the bones of fur-bearers, likely to creat garments from the animals' furs to keep warm in a cool ...
Researchers have been able to identify undigested food remains, plants and prey in the fossilized feces of dinosaurs. These analyses of hundreds of samples provide clues about the role dinosaurs played in the ecosystem around 200 million years ...
A striking new phenomenon is emerging: distinct regions are seeing repeated heat waves that are so extreme, they fall far beyond what any model of global warming can predict or explain. A new study provides the first worldwide map of such regions, ...

Latest Environment Headlines

updated 10:48pm EST

Society/Education News

December 5, 2024

How much land, water, and other resources does our lifestyle require? And how can we adapt this lifestyle to stay within the limits of what the Earth can give? A new article tackles these ...
Global carbon emissions from fossil fuels have reached a record high in 2024, according to new ...
The extinction of hundreds of bird species caused by humans over the last 130,000 years has led to substantial reductions in avian functional diversity -- a measure of the range of different roles ...
A new study by more than 50 climate scientists worldwide provides the clearest projection that Antarctica's ice sheet will retreat rapidly after 2100 under current carbon emissions, with global sea levels rising by as much as 5.5 feet by 2200. The ...

Latest Society/Education Headlines

updated 10:48pm EST