Researchers find clues to evolution in the intricate mammalian vertebral column.

Scientists from Massachusetts General Hospital and the University of Exeter Medical School have identified another 76 gene regions associated with sleep duration. Their findings may underpin future investigations into disordered sleep and understanding individual set points for how much is enough.

A new study finds that being genetically programmed to rise early may lead to greater well-being and a lower risk of schizophrenia and depression.