Salty Ocean
How did the ocean get salty? (from rocks on land that get dissolved by rain and washed into the sea)
How did the ocean get salty? (from rocks on land that get dissolved by rain and washed into the sea)
Smart dust particles to detect bioterrorist agents, stimulating paralyzed legs to walk, and pet …
How come cats don't bark? (Barking is meaningless, and cats have a clear set of vocal signals.)
How can sucralose be made of sugar and not have any calories? (Tongue recognizes it, but not …
Better fishing strategies, how geckos stick to smooth surfaces, and the rare blooming of the smelly …
How does a mosquito know that it's biting a human? (Senses carbon dioxide and other chemicals)