Geomagnetic storms can induce powerful currents in long conductors like power lines, sometimes causing widespread blackouts. elaborate
Intense rainfall can sometimes cause the ground to literally explode, a phenomenon called a "volcanic eruption" of mud and water due to high pressure build-up. elaborate
Meerkats use different alarm calls to warn of different predators – a high-pitched bark for aerial threats, for example, and a chutter for ground predators. elaborate
Cumulonimbus clouds are the only clouds that can produce hail. elaborate
The air pressure at sea level is enough to support a column of mercury about 30 inches high – that's the principle behind a barometer. elaborate