Reports that a rare Bolivian killifish thought to be extinct has been found alive would be a landmark moment for conservation biology, but based on the material available here, I cannot verify any of ...

Like other parts of our bodies, the immune system starts to wear out as we get older, and it can't fight infections as efficiently. Routine vaccinations, like the flu shot, also don't trigger as ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment.View full profile Rachael has a degree in Zoology ...