PIGLET & THE PETRI DISH

The first smallpox vaccination was tested on James Phipps. He was initially given a small dose of cowpox (blue), which was not lethal to humans. Afterwards, he was given a small dose of smallpox (red) and showed no symptoms of infection. Thus, the smallpox vaccination was developed (and variolation became a thing of the past).

How we conquered the deadly smallpox virus - Simona Zompi

John Conway paints dinosaurs unlike any you’ve ever seen.

This just in: spiders tune the silk threads of their webs like guitar strings

… and they use the distinct vibrational frequencies to help them locate meals and mates. Hear the full story of these good vibrations, from NPR’s Christopher Joyce, here. 

Light micrograph of a mouse embryo, approximately 10.5 days post-fertilisation. The specimen was stained with a fluorescent marker that highlights the presence of precursor cells to nerve tissue then chemically treated to make it optically transparent.