In one experiment, the Viking landers added water to Martian soil samples. That might have been a very bad idea.
Rocks and minerals don’t simply reflect light. They play with it and interact with light as both a wave and a particle.
Thoreau's time at Walden Pond has provided substantial data for scientists monitoring the effects of a warming climate on the area's plant life.
Theoretical physicist Francesca Vidotto on feminist epistemology, white holes, string theory, and her book (with Carlo Rovelli) on loop quantum gravity.