Sea urchin discovery could help capture CO2

The discovery that sea urchins use nickel particles to remove carbon dioxide from the sea could be the key to capturing tonnes of CO2 from the atmosphere.

Sea otters help fight global warming

Sea otters are an up-to-now unsuspected ally in the fight against global warming, say scientists from UC Santa Cruz.

Sea urchins show how to make self-sharpening tools

Tools that sharpen themselves every time they're used could soon be available, following a discovery about the way sea urchins keep their teeth sharp.