We all sat through GCSE science nodding along, but some of those classroom 'truths' haven't aged well. Rank the ones you've since discovered were oversimplified, outdated, or just plain wrong.
Put the items in your preferred order.
We only use 10% of our brains
Generations were told we've got 90% of untapped genius rattling about. Neuroscientists have been rolling their eyes at this one for decades.
Tongue taste maps
That tidy diagram in your textbook? Complete rubbish. Taste buds for every flavour are scattered all over your tongue.
Pluto is a planet
Millions of Brits learned the nine-planet mnemonic only for astronomers to boot Pluto out in 2006. Still feels personal.
Goldfish have a 3-second memory
Goldfish can actually remember things for months and even learn tricks. The myth probably justified some grim bowl living conditions.
Humans evolved from chimpanzees
We share a common ancestor with chimps, we didn't descend from them. A subtle but important difference your biology teacher glossed over.
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