Sea urchins’ ballistic escape from predators

New research shows that sea urchins, albeit having a limited and ancestral sensory system, can show a complex behaviour when escaping a predator. These marine invertebrates tend to move slowly and with unpredictable movements, but when they smell a pre…

Fate of sinking tectonic plates is revealed

When tectonic plates sink into the Earth they look like slinky snakes! That’s according to a study published in Nature, which helps answer a long standing question about what happens to tectonic plates when they sink – or subduct – into the Earth’s int…