LifeBlind cave fish lost eyes by unexpected evolutionary process The discovery that a cavefish might have lost its sight because key eye genes were switched off via epigenetics, rather than mutation, will fuel an evolutionary debate ¿ìè¶ÌÊÓÆµ
HumansBare bones: Five human ancestors known only from a few fossils You’d be amazed how little evidence supports many of our ancient human ancestors. Here are the five species with the fewest fossils Features