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Failed malaria drug regains its potency
Decades of misuse helped the malaria parasite evolve resistance to chloroquine 鈥� but the parasite now seems to be susceptible again
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Decades of misuse helped the malaria parasite evolve resistance to chloroquine 鈥� but the parasite now seems to be susceptible again
Modern humans only made it out of Africa when the changing climate made the Arabian desert passable 鈥� the rest of our migrations were climate-dependent too