Tall undulating seaweed known as kelp grows in thick underwater forests off the southern coasts of Africa. The kelp forests were once thought to provide a safe haven to Cape fur seals from great white sharks. Then researchers put GoPro-like high-resolution cameras on the predators.

Instead of being deterred by the underwater flora, the sharks dive right into thick kelp forests in pursuit of prey, the researchers find. It’s a new discovery for shark researchers, who had previously thought