All Stories
- Genetics
The Y chromosome’s genetic puzzle is finally complete
New analyses of the human Y chromosome reveal millions of new bases and different locations for the same gene in different people.
- Climate
Some leaves in tropical forests may be getting too hot for photosynthesis
Climate change may be forcing some tropical leaves to stop photosynthesis and die. It’s still unclear what effect this will have on entire forests.
- Archaeology
Pre-Inca people stomped salutes to their thunder god on a special dance floor
Excavation of a drumlike platform in the Andes turned up a structure seemingly designed to absorb shocks and emit resonant sounds when stomped upon.
- Health & Medicine
Health risks can persist at least 2 years after COVID-19, new data suggest
U.S. veterans who tested positive for COVID-19 in 2020 remain at higher risk for many long COVID conditions, from heart disease to gastrointestinal issues.
- Astronomy
This extreme star might have huge tidal waves
Gravitational forces between two orbiting stars might be creating huge waves of plasma on one of the stars that break and crash to the surface.
- Health & Medicine
What should we expect from the coronavirus this fall?
The virus may be reaching a phase of baseline circulation, says epidemiologist Aubree Gordon. But it’s unclear what will happen in the next few months.
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A key technology could transform the power grid
Editor in chief Nancy Shute discusses ways to upgrade power grids to be more climate friendly.
- Astronomy
JWST’s hunt for distant galaxies keeps turning up surprises
In its first year, the James Webb Space Telescope has found many galaxies from the early universe that are bigger, brighter and more mature than expected.
- Space
Recoiling black holes could move at nearly one-tenth the speed of light
Knowing black holes’ speed after being kicked by gravitational waves can reveal how much energy converging black holes can release.
- Life
Around 13,000 years ago, humans and fire changed LA’s ecosystem forever
Rapid drying combined with human-made fires changed Southern California forever, killing off ancient bison, dire wolves and five other megafauna species there.
- Genetics
A new look at Ötzi the Iceman’s DNA reveals new ancestry and other surprises
Ötzi had genetic variants for male-pattern baldness and dark skin, and he also had an unusual amount of early farmer ancestry, a new DNA analysis finds.
