Tree of Life over time.
Stashed in: Science!, Life, Life finds a way., Darwin
Very nice, very clear.
Yes, what a wonderful visualization!
Makes me feel tiny:
Types of brain bleeds
Engineering mosquitos to reject malaria, by Ars Technica
The Push to Understand the Placenta and its Microbiome - NYTimes.com
Gut bacteria make most of the serotonin in your body.