Mistletoe exhibits unique, stunning biological property

Mistletoe really is a strange one.

Researchers identify main factors of home indoor air pollution: marijuana surprisingly plays a big role

Hint: it’s smoking in.

The African naked mole-rat can keep its brain alive for more than 5 hours with no oxygen

Nifty trick.

This is how the brain makes you sigh every 5 minutes

Sighing is a fundamental biological reflex that’s a lot more important than most people care to think. We don’t just sigh when we’re in a position of weariness or relief, but quite regularly for no particular reason — about 12 times an hour.

Brilliant GIF shows how Humans, Birds and Insects Breathe

Three different ways to breathe: Mammals, birds and insects breathe in different ways, as exemplified above. Humans, as mammals, inhale by moving the diaphragm to lower the air pressure in the chest cavity and pull air into the lungs. The human chest cavity is always at a lower pressure than the outside environment. Birds on the other hand, have air