Were Neanderthals carnivores? A tooth offers new insight into their diets
Diets a topic of debate; Researchers look into zinc isotopes in molar sample
Ancient humans may have first walked upright on trees, not land
Researchers look at chimpazees to understand bipedalism; New study contradicts earlier theories
Evolution: why it seems to have a direction and what to expect next
A dominant, intelligent species like humans will always be bad news for many of the other species on the planets where they evolve