From 538 Significant Digits:
20 to 200 whales
Humpback whales are amassing in groups of 20 to 200 off the coast of South Africa, something that doesn’t usually happen. Researchers are pretty weirded out and don’t have a good answer as to why the whales are gathering. [Popular Science]
Here’s a good answer: The whales are about to swim over here and join the March for Science on Earth Day.