HumansExploring humanity's ancient origins in fantastic new BBC documentary Human delivers an unusually clear picture of Homo sapiens as a species shaped by climate, animals, plants, other hominins and the interactions of its own nomadic groups. Bethan Ackerley is enthralled Culture
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