What Are Gravitational Waves and Why Do They Matter?
Waves of geometry in four-dimensional space-time, that is what gravitational waves are. The very definition of distance between points in space-time changes as these waves pass. The…
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The Debunking Of Ego Influence In Social Psychology Is No Worry
An influential psychological theory, borne out in hundreds of experiments, may have been debunked, writes Daniel Engber, and then "how can so many scientists have been so wrong?"
The Formidable Neutrino
Elementary particles are mysterious and unfathomable, and it takes giant accelerators and incredibly complex devices to study them. In the last 100 years we have made great strides in the…
Is This Why We Haven't Found Life On Mars Yet? Value Of Actually Looking
We have been sending missions to Mars since the Mariner 4 flyby in 1964, and our first successful landing was Viking 1 in 1976, So, why can't astrobiologists answer the question definitively, when…