Whale sharks are gentle, filter-feeding giants, but orcas in Mexican waters were documented attacking the animals and devouring their livers.

Whale sharks are gentle, filter-feeding giants, but orcas in Mexican waters were documented attacking the animals and devouring their livers.

The arthropods can tailor their toxins depending on whether they are hunting prey or defending themselves from predators, according to a new study.

Scientists study the flight of hummingbirds to design robots for drone warfare.

© Timo Lenzen