It’s Tumblr Tuesday! Take a look at these fresh Tumblr blogs.
Vintage Postage Stamps
A visual look at the design and illustration of vintage postage stamps from around the world.
Dan Simon Macrophotography
Photographs of small things. Bugs, mostly.
An illustrator and printmaker based in Los Angeles.
Gender and Science
An exploration of gender related issues and fascinating people in science, technology, engineering, and mathematics.