Animals reproduce in one of two distinct ways: egg-laying or live birth. By studying an evolutionarily recent transition from egg-laying to live-bearing in a marine snail, collaborative research has ...
For National Snail Day, museum research fellow Melissa Betters explores the mollusks’ notable nature Melissa Betters A shell from the Cuvier tropid snail, a terrestrial species native to Madagascar, ...
Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet initiative has ...