News
- 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.
- 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.
