Biology

A rare albino shark raises questions about how a lack of pigment affects deep-ocean creatures.

Rings of DNA inside bacteria use CRISPR process to attack each other.

New research shows female plains spadefoot toads listen up for the best mate.

Snake species recycles poison collected from its own prey.

Researchers suggest that a previously unidentified factor may drive whales to migrate.

They release "mobile grenades" -- tiny balls of stinging cells that are shaped like popcorn and can swim under their own power.

For tufted golden orb weavers, losing a leg is better than losing their life.

The researchers hope to resurrect a variety of date that was praised in antiquity but lost to time.

309 million years ago an animal that resembled a lizard wrapped its tail around a younger member of its species.

The bigger the whale, the tougher it is to find a decent meal.

Cowbirds outsource parenting to other species, but an innate password tells their children to copy cowbird songs.

Plants may recruit defenders by bribing them with other plants' pollen.