The secret to giraffes’ long legs

Giraffes legs should be too skinny to hold their heavy weight.  Why don’t they break? Well, apparently it’s because they have a groove in their leg bone to protect the ligament.  This means that they can support themselves without needing lots of muscle.  Not having to use muscle means they don’t get tired so that…

Shark Survival

This is way too freaky not to put on here … The tiger shark produces an embryo every day but once one of them is large enough, it will start to EAT its brothers and sisters in the womb! When they are the only one left, the mother stops making more embryos and the remaining…