How can dark matter cause chaos on Earth every 30 million years?

Wednesday, April 1, 2015 - 10:00 in Astronomy & Space

In 1980, Walter Alvarez and his group at the University of California, Berkeley, discovered a thin layer of clay in the geologic record, which contained an unexpected amount of the rare element iridium.

Read the whole article on Physorg

More from Physorg

Latest Science Newsletter

Get the latest and most popular science news articles of the week in your Inbox! It's free!

Check out our next project, Biology.Net