While the snake season in Pietermaritzburg started fairly busy, extreme heat in recent weeks appears to have pushed reptiles into hiding, says local snake catcher Dean Boswell. He says snakes are ...

Doctors warn there are biological limits to temperatures we can survive, and exposure to extreme heat can provoke a heart attack Follow our Australia news live blog for latest updates Get our breaking ...

MIT researchers have designed silicon structures that can perform calculations in an electronic device using excess heat instead of electricity. These tiny structures could someday enable more ...