This octopus behavior might look funny at first glance, but it reveals how evolution solves complex problems in unexpected ways.

Polar bears aren't white, strawberries aren't berries and the Earth isn't round—we'll have you rethinking everything you thought you knew! Mind-blowing facts you have to read to believe Did you know ...

But after spotting what she thought was another whale, Hauser realised it was a tiger shark. And it was swimming straight towards her. This led Hauser to believe the humpback had in fact been trying ...