LifePredators may make prey get smart and grow more brain cells Predators are a problem for Trinidad’s killifish: in streams where the problem is worst the killifish grow more brain cells, perhaps to help evade the hunters News
LifeBeetles escape alive after almost 2 hours in a toad’s stomach Bombardier beetles sometimes get eaten by toads, but they can squirt hot, toxic jets of liquid from their backsides so the toads often vomit them right back up News