Tag College of Letters & Science

Oldest bit of crust firms up idea of a cool early Earth

February 23, 2014

With the help of a tiny fragment of zircon extracted from a remote rock outcrop in Australia, the picture of how our planet became habitable to life about 4.4 billion years ago is coming into sharper focus.

Experts for media: Facebook turns 10

January 29, 2014

Millions of people around the world use Facebook, which was first launched on Feb. 4, 2004. The University of Wisconsin–Madison has experts who can discuss the popular social networking site, how people use it and how it has affected the way we communicate. They include: