What's the Largest Waterfall in the World? By Molika Ashford The height of the world's tallest waterfall is so great that the stream of water atomizes into a cloud of mist, then trickles back together at the bottom of the plunge.
Why Do We See Stars When Sneezing? By Molika Ashford "Stars" while sneezing are caused by stimulation of the back of the eye.
Can Plastic Bottles Make You Sick? By Molika Ashford Bisphenol-A, a plastic ingredient, may be on your mind its safety has been questioned.
How Does Quicksand Work? By Molika Ashford A quicksand pit can be a tricky thing to escape from, but scientists explain why the hazard can't swallow you whole.
Psychological Tests Let Marketers Target Your Personality By Molika Ashford With a simple psychological test, Mindset Media can optimize advertising to every personality type.
Lab Meat Would Sidestep 'Grossly Inefficient' Livestock Industry By Molika Ashford Scientists tackle problems that prevent lab grown meat from replacing live animals.
Do Animals Have Feelings? By Molika Ashford Dog owners will swear that their dog can smile, but scientists can't confirm this interpretation. Life's Little Mysteries examines whether animals have feelings.
What's the Oldest Living Organism? By Molika Ashford The oldest tree has been around since before the pyramids. Life's Little Mysteries explains how it got so old.
Where Are the Best Places To Find Dinosaur Fossils? By Molika Ashford The most dinosaur fossils and the greatest variety of species have been found in the high deserts and badlands of North America, China and Argentina.
Can Bad Memories Be Erased? By Molika Ashford Researchers are finding ways that we might be able to edit certain types of memory, the way we do a home movie.
How Are Memories Stored in the Brain? By Molika Ashford Memories underlie so much of our rich life as humans -- the ability to learn, to tell stories, even to recognize each other.
What Happens Inside a Landfill? By Molika Ashford More than half of America's garbage is bound for a landfill. What happens once it gets there?
Could Humans Live Without Bacteria? By Molika Ashford Most people learn about bacteria in the context of disease, so it's easy to think about the harm they do. But could we live without them?
What Does the Prostate Gland Do? By Molika Ashford This muscular gland weighs about three-fourths of an ounce (20 grams) -- about the size of a small apricot.
How Does a Compass Work? By Molika Ashford If you're lost in the woods, your best chance of finding your way might be a tiny magnet.
How Do Compost Piles Work? By Molika Ashford It may seem almost like a magic trick: leftover veggies from last night's dinner and yard debris go into a pile, and nutrient rich fertilizer comes out.
Antarctic Sea Ice Paradoxically Growing By Molika Ashford While Arctic sea ice shrinks, ice around South Pole grows.
New Fuel: The Heat Beneath Your Feet By Molika Ashford The heat beneath your feet could provide a powerful energy source.