The genes that make you a true individual
Your compatibility genes make you unique as well as affecting all parts of your life, from your health to your choice in partner, finds Mark Viney
Is this the most extraordinary human brain ever seen?
An adult brain discovered in a collection in Texas is entirely smooth – free of the ridges and folds so characteristic of our species' most complex organ
Healthy living can turn our cells' clock back
A healthy lifestyle increases the length of telomeres, the protective caps on our chromosomes that wear away with age
Astrophile: Cosmic poltergeist messed up Milky Way
Our galaxy may be haunted by a past meal – a dead dwarf galaxy ripped apart by our own is a key suspect behind unnatural groupings of stars
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