Analytical chemists have been working to develop high-functioning robotic smelling devices to detect victims of everything from human trafficking to natural disasters. But does it work?

Death is inevitable, says Michael Shermer. So why sweat it? Over 100 billion people have died before us, so maybe our fear of death is making our lives worse.
We all know the negatives of having wasps around, but are there any benefits?
Sharks are known to stalk and sniff out prey before they attack. But all this newly discovered shark species has to do is glow in the dark, and the prey comes to them.
The 5 1/2-inch American Pocket Shark is the first of its kind to be discovered in the Gulf of Mexico, according to a new Tulane University study. It’s less fearsome than it is wondrous.
Scientists stumbled upon a teeny male kitefin shark in 2010 while studying sperm whales in the Gulf. It wasn’t observed again until 2013, when National Oceanic and Atmospheric Administration (NOAA) researcher Mark Grace found it in a pool of less luminous specimens.