A video showing a boat captain pulling parasites off a whale's head in a Mexican lagoon went viral. But a behavioral scientist told Insider that removing the parasites could actually hurt the whale.
Every year, malaria kills more than 600,000 people worldwide. Most of them are children under 5 in sub-Saharan Africa.
Most mammals produce their own vitamin C using an enzyme called GULO. Around 60 million years ago, humans lost this ability, ...
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