How To Use A Condiment To Get Away With Murder

We've all seen an intrepid investigator spray down a crime scene with luminol and turn off the light, and a seemingly innocent room glows blue, illuminated by the leftover traces of gore. This is usually a sign someone was horribly murdered in that room. But in reality it's also possible that they got into a food… » 3/04/15 6:20am 3/04/15 6:20am

How Tourist Garbage Causes Yellowstone's Morning Glory To Change Color

Decades ago, the Morning Glory pool at Yellowstone National Park was a gorgeous deep blue. But because tourists have thrown coins, rocks, and trash into it for years, the spring has now turned into a sickly yellowish green. Now, a new optics study is shedding light on the pool's unfortunate change of color. » 2/11/15 1:20pm 2/11/15 1:20pm