Here is the fourth and last part of the small series about the diving expedition on the water Bel Ami to the white sharks of Guadalupe. A farewell walk through the kelp forest. Due to the warm water ...

This process uncovered the DNA of two animals: orcas, also known as killer whales, and broadnose sevengill sharks. Orca DNA was linked to the largest bite wound, found in the center of the shark, ...