HumansWe evolved to match local micronutrient levels, which may be a problem Most human populations evolved to cope with low or high local levels of micronutrients such as zinc, but these localised adaptations might now be problematic News
HumansFossil teeth may come from a new species of early hominin Some 2.6-million-year-old teeth found in Ethiopia hint that an unknown species from the Australopithecus genus coexisted with one of our Homo relatives, but it is hard to draw firm conclusions from the evidence News