All Stories
- Anthropology
Turkana Boy sparks row over Homo erectus height
Estimating the adult height and weight of an ancient youth from his skeleton has proven tricky.
- Climate
Ocean bacteria may have shut off ancient global warming
Ocean-dwelling bacteria may have helped end global warming 56 million years ago by gobbling up carbon from the CO2-laden atmosphere.
- Health & Medicine
Hepatitis C treatment appears extremely effective
A mix of four medications has provided the most effective way to date to counter the hepatitis C virus in humans.
- Climate
IPCC calls for swift switch to alternative power
Rapid adoption of green power production will be necessary to avert a climate crisis, latest IPCC report says.
- Quantum Physics
Quantum experts discuss the measurement problem: A transcript from 1994
A fairly complete transcript of a discussion about quantum physics on May 19, 1994, the last day of a workshop in Santa Fe, N.M., evolves into a more general discussion of the interpretation of quantum mechanics and the quantum measurement problem.
- Astronomy
Early Mars couldn’t hold liquid water long
Small rocks hit Mars 3.6 billion years ago, suggesting an early atmosphere too thin for liquid water to hang around very long.
- Chemistry
How urine will get us to Mars
A new recycling system turns pee into drinking water and energy, a small step toward really long-term space travel.
- Particle Physics
Exotic particle packs a foursome of quarks
Tetraquarks could help physicists understand the universe’s first generations of matter.
- Life
How cells keep from popping
The protein SWELL1 stops cells from swelling so much that they burst, a new study shows.
- Animals
Lionfish grow wary after culling
Efforts to control invasive lionfish could make them more difficult to catch.
- Genetics
Five mutations could make bird flu spread easily
Handful of alterations can turn H5N1 bird flu into virus that infects ferrets through the air.
- Cosmology
Galaxy’s gamma-ray glow may expose dark matter
An excess of gamma rays at the center of the Milky Way could be a signature of dark matter.
