The sand tiger shark is a natural born killer and takes sibling rivalry to a whole new level of cut-throat.
Do animals come into the world tabula rasa and only learn things from experience? Or do we emerge with some knowledge already hardwired?
You know how animals are supposed to be able sense disasters before they happen? Well some believe it’s a myth, though there are lots of reports of animals behaving strangely days before the tsunamis hit in Indonesia. Hundreds of thousands of ants were seen scurrying away from the beach. Elephants, dogs, and zoo animals were all reported to have been acting strangely. What can explain it? Learn more on this Moment of Science.