HumansGene study shows human skin tone has varied for 900,000 years An analysis of genetic variation and skin pigmentation suggests that some particularly dark skin tones evolved relatively recently from paler genetic variants News
LifeAncient ‘sea woodlice’ had surprisingly complicated guts Fossil trilobites dating back to the dawn of animal evolution had unexpectedly complex and varied digestive systems, hinting that they ate varied and hard-to-digest food News