Microfossils Life on Earth Update

Microfossils Life on Earth Update

UW–Madison geoscience researchers on a 2010 field trip to the Apex Chert, a rock formation in western Australia that is among the oldest and best-preserved rock deposits in the world. COURTESY OF JOHN VALLEY Did life begin on Earth much earlier than expected? Fossils,...
Negative Effective Mass

Negative Effective Mass

Scientists Demonstrate Negative Effective Mass in a Bose-Einstein Condensate at Washington State University While the concept of negative mass seems somewhat counter-intuitive because of our observations in the physical world, Einstein considered it in his Theory of...