Right now, detecting contaminated water can take days, and that puts humans and animals at serious risk. But a new biosensor developed by grad students in Denmark promises to spot unclean water in an instant, and whether it's used in a village well.
Is it possible that our universe is but one of many, with laws that mean nothing in the "pocket universes" that co-exist all around, and through, us? Robert Lawrence Kuhn explores the multiverse with the help of the world's leading experts on these theori
This diagram shows our cosmic address at a glance. We see our planetary system around the Sun, our stellar neighborhood in our galaxy, our galaxy in the local group of galaxies, and our group in the entire universe. Learn more in the Cullman Hall of.