News
- Plants
Why dandelion seeds are so good at spreading widely
Individual seeds on a dandelion flower are programmed to let go for a specific wind direction, allowing them to spread widely as the wind shifts.
- Oceans
Sharks face rising odds of extinction even as other big fish populations recover
Over the last 70 years, large ocean fishes like tuna and marlin have been recovering from overfishing. But sharks continue to decline toward extinction.
- Physics
Zapping tiny metal drops with sound creates wires for soft electronics
Wearable medical devices and stretchable displays could benefit from a way to use high-frequency sound to create liquid metal wires.
