News
- Chemistry
Plants and predators pick same poison
Zygaena caterpillars and their herbaceous hosts independently evolved an identical recipe for cyanide.
- Life
Penguin declines may come down to krill
Lack of food appears to be hurting birds on the Antarctic Peninsula.
- Physics
Screwy symmetry revealed
Math trick that reverses spirals and other shapes that twist and turn should provide new ways to understand and design materials.
- Math
Cells take on traveling salesman problem
With neither minds nor maps- chemical-sensing immune players do well with decades-old mathematical problem, a computer simulation reveals.
- Space
Baffling blowup in distant galaxy
A high-energy blast has gone on for 11 days, puzzling astronomers as to its source.
