WIRED ScienceThe Biologist Trying to Make the First Pregnancy Test for Sharks
Earlier this year, James Gelsleichter got a call from the Bahamas. A group of researchers had been tracking the movements of some oceanic whitetip sharks off the coast of Cat Island, a long, thin stretch of land in the center of the Bahamas. Maybe, they thought, the sharks were moving certain directions because they were pregnant and looking for a place to give birth.
