HumansEvolution of intelligence in our ancestors may have come at a cost By tracing when variations in the human genome first appeared, researchers have found that advances in cognitive abilities may have led to our vulnerability to mental illness News
HealthLet a breakthrough in measuring body clocks ease the ills of shiftwork New tests to gauge an individual's circadian rhythms could be put to good use helping night workers fend off the ill effects of their unsocial hours Leader