YouTube on MSNOpinion

Determining supplementary angles from parallel lines and a transversal

Here's the revised description with all the links removed: Learn how to identify angles from a figure. This video explains ...
YouTube on MSNOpinion

The angles created from lines and a transversal

Learn how to identify angles from a figure. This video explains how to solve problems using angle relationships between ...
Scientific American

We thought we knew the shape of the universe. We were wrong

Decades of data have suggested the universe is flat, much like an infinite plane. But a new analysis reveals deep flaws in ...
The Washington Post

Dan Lamothe

Dan Lamothe joined The Washington Post in 2014 to cover the U.S. military. He has written about the Armed Forces since 2008, traveling extensively, embedding with five branches of service and covering ...