Leif Saul hangs out with a neuron

Gray and white matter – the cities and highways of the brain
Your brain has around a hundred billion signaling cells called neurons, forming an astronomical ...
Capillaries do all their work in bed – they’re not lazy, but they’re leaky!
Our tiny capillaries are the most important blood vessels in the body, responsible for supplying ...
Don’t have a heart attack!
This week’s image may seem melodramatic, but I’m sure if you were a heart undergoing a heart ...
Which tissue do we need the most?
The entire body is composed of only four basic tissue types.  Muscle tissue, of course, allows you ...