Perfume bottles photo via Shutterstock

Did you know that that bottle of pricey perfume sitting atop your dresser likely contains whale vomit? For centuries, designer perfume makers have used ambergris, a wax-like ingredient spit up by whales as a fragrance fixative for perfume. Because the rock-like globs can fetch as much as $20,000 per kilogram and because sperm wales are endangered, scientists at the University of British have been working to synthesize a viable replacement for ambergris, and they may have found one in yeast.