Humans might be able to regrow their teeth like sharks
New research looks into ways of reactivating tooth growing genes
How did humans come to dominate the Earth?
Studies suggest that co-operation played a far bigger role than aggression, but is that to underestimate our bloodlust?
US scientists shine a light to alter dark memories
In optogenetic experiment on mice, researchers at MIT flip emotional recall of experiences from bad to good and vice versa
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