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 ¿ìè¶ÌÊÓÆµ
HumansAlzheimer’s and smoking genes suggest we’re still evolving In the 20th century, people in the UK evolved to be less likely to smoke heavily and get Alzheimer’s, but the changes were subtle and may not last ¿ìè¶ÌÊÓÆµ