LifeScrewworm: Why is this flesh-eating parasite making a comeback? A resurgence of the screwworm parasite in Central America could have a devastating impact on livestock farming, and poses a threat to humans and wildlife too News
LifeWild cavefish can somehow survive with almost no sleep at all Several populations of Mexican tetra fish that live in darkness have independently evolved to need hardly any sleep, but the reason why is a mystery News