We had half a mind to claim that the team at Cosmos put their heads together to come up with this week’s cerebral vault pickings – but really, the choices were a no-brainer.
How the brain blocks memories
Experts have discovered how the human brain is able to suppress unpleasant memories and have succeeded in training people to block memories at will. Read more
Are brains shrinking to make us smarter?
Human brains have shrunk over the past 30,000 years, but it is not a sign of decreasing intelligence, according to scientists who suggest that evolution is making the key motor leaner and more efficient in an increasing population. Read more
The science behind the ‘brain freeze’
The ‘brain freeze’ is caused by increased blood filling up your brain and causing intracranial pressure. Read more
Originally published by Cosmos as From the vault: Brain teaser
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