News
- Anthropology
Fossil autopsy claims Lucy fell from tree
A contested study suggests a famous fossil ancestor plunged to her death.
By Bruce Bower - Physics
Bacteria-sized molecules created in lab
Cesium atoms with high-energy electrons pair up to form giant molecules.
- Planetary Science
Venus once possibly habitable, study suggests
Venus might have once been habitable and home to a shallow ocean.
- Neuroscience
Cool nerve cells help mice beat heat
A new study pinpoints fever-busting cells in mice’s brains.
- Earth
Wave-thumping ‘weather bomb’ storms send elusive S waves through Earth
A rare type of deep-Earth tremor called an S wave generated by a rapidly strengthening storm could help scientists map the planet’s mantle and core.
- Life
Lyme bacteria swap ‘catch bonds’ to navigate blood vessels
Lyme bacteria use same tricks as white blood cells to navigate blood stream.
- Health & Medicine
Weapon of bone destruction identified
Scientists discover myeloma’s secret bone-destroying messenger.
- Astronomy
Signs of planet detected around sun’s nearest neighbor star
A planet roughly the size of Earth orbits within the habitable zone of Proxima Centauri, the closest star to the sun.
- Quantum Physics
Experiment confirms plan for quantum-coded messages
A new way to send secret quantum messages uses shorter keys.
- Animals
Ways to beat heat have hidden costs for birds
Birds that look as if they’re coping with heat waves and climate change may actually be on a downward slide, with underappreciated disadvantages of panting and seeking shade.
By Susan Milius - Oceans
Lack of nutrients stalled rebound of marine life post-Permian extinction
Warm sea surface temperatures slowed the nitrogen cycle in Earth’s oceans and delayed the recovery of life following the Permian extinction, researchers propose.
- Neuroscience
Fentanyl’s death toll is rising
The ability of fentanyl, an opioid, to freeze chest muscles within minutes may be to blame for some overdoses, a new autopsy study shows.