News
- Animals
A risk-tolerant immune system may enable house sparrows’ wanderlust
Birds that are willing to eat seed spiked with chicken poop have higher expression levels of a gut immunity gene, a new study finds.
- Earth
Why Japan issued its first-ever mega-earthquake alert
After a magnitude 7.1 temblor jolted southern Japan, the chances of a subsequent, larger quake occurring in the next week had slightly increased, experts said.
- Earth
Squall line tornadoes are sneaky, dangerous and difficult to forecast
New research is revealing the secrets of these destructive twisters, which dodge radar scans and often form at night.
- Climate
Zigzag walls could help buildings beat the heat
A corrugated exterior wall reflects heat to space and absorbs less heat from the ground, keeping it several degrees cooler than a flat wall.
