Reproduction in the Praying Mantis.

The Praying Mantis is a dioecious insect and in the reproduction the male dies because the female eats his head.
Is very interesting because the male prefer dies devoured by having descendants, although some are more astute and survive.

The intelligence of a mouse.

In this video you can watch one example from the intelligence of a mouse, demonstrating that you can train them. Secondly, it is very cute and is funny to look at this animal, especially when he skates.