What scientists learned about whale sharks from the DNA they left behind in seawater
Monday, November 21, 2016 - 21:41
in Biology & Nature
Whale sharks are the largest fish in the ocean, but that doesn’t mean they’re easy to study. Scientists hoping to learn about them must spy on them from the air, tag them with devices so they can be tracked via satellite or sneak up on them to collect tissue samples for DNA analysis. But there...