Two scientists’ trek showed how people of Chaco Canyon may have hauled logs
The researchers literally put their heads together to solve this transportation mystery
Scientists have mapped an insect brain in greater detail than ever before
Charting a larval fruit fly’s nerve cells and their connections took 12 years
The Yamnaya may have been the world’s earliest known horseback riders
Excavated human skeletons indicate that the Yamnaya rode horses around 5,000 years ago
Medicated eye drops may delay nearsightedness in children
The earlier myopia starts, the worse eye health can become later in life
Psychedelics may improve mental health by getting inside nerve cells
What matters is on the inside — of neurons
3-D maps of a protein show how it helps organs filter out toxic substances
Changes in pH make the protein open and close in different environments
How fingerprints form was a mystery — until now
A theory proposed by mathematician Alan Turing in the 1950s helps explain the process
A newfound ‘croakless’ frog may communicate via touch
The animal might use spines on its throat to recognize potential mates instead of calls
Are your cats having fun or fighting? Here are some ways to tell
Certain behaviors hint at how your cat feels about its playmate
These shape-shifting devices melt and re-form thanks to magnetic fields
Gallium plus magnetism equals something straight out of Terminator 2
The ‘breakthrough’ obesity drugs that have stunned researchers
A class of drugs that quash hunger have shown striking results in trials and in practice. But can they help all people with obesity — and conquer weight stigma?
Climate-change content shrinks in US university textbooks
Sections on climate change have gotten shorter and moved farther back in biology textbooks since the 2000s.
Are we in the Anthropocene? Geologists could define new epoch for Earth
Researchers have zeroed in on nine sites that could describe a new geological time, marked by pollution and other signs of human activity.
Prehistoric carvings are oldest known story sequence
Two carved panels discovered in what is now Turkey illustrate a tale involving leopards and a bull.
Heralded Alzheimer’s drug works — but safety concerns loom
Eisai and Biogen share clinical trial data confirming that lecanemab slows mental decline, amid reports of potentially related deaths.
Scientists say harassment in the Antarctic must stop — but US plan falls short
National Science Foundation pledges changes to address sexual harassment and assault in its Antarctic research programme.
US mid-term elections: 3 ways science is on the line
Researchers project changes ahead for federal science if Republicans take control of either chamber of Congress.
Families on three continents inherited their epilepsy from a single person
A genetic variant connected to a rare form of inherited epilepsy arose in an individual who lived some 800 years ago.