News
- 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.
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