Biology
Why boys perform better on some science tests explained
An MRI revealed an accumulation of cerebral spinal fluid in the brain, a condition known as hydrocephalus.
Modern-day traits are inherited from Neanderthal DNA: study
The study is the first of its kind.
Jellyfish found to be first animals without brains that sleep
The findings push the origin of sleep further down the evolutionary tree of life - to before the emergence of a centralised nervous system.
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