Here, the world’s most contagious myths and misconceptions – debunked.
21. Only 10 per cent of the brain is used
The proportion of the brain “firing” at any one time is task dependent, but ultimately, every region is used almost every day.
22. Iron Maidens
These were never medieval torture devices, but 18th-century fakes were created for sensational circuses.
23. Body heat and the head
Only in infants is most heat lost through the head (unless the head is the only uncovered part of the body).