Studying a Dolphin's Diet

Get Inside the Science:

• Mercury in Dolphins: Study Compares Toxin Levels in Captive and Wild Sea Mammals
• Johns Hopkins Department of Geography and Environmental Engineering
• National Aquarium

Inside Science Buzzwords:

1. Mercury - An element and a metal that is found naturally in the environment, including in coal. Coal-fired power plants burn coal and release mercury into the atmosphere.
2. Methylmercury - A form of mercury that dissolves in water where fish such as tuna, swordfish and shellfish can be exposed.
3. Mercury Posioning - A disease caused by high exposure to mercury. Symptoms of posioning include problems with vision, hearing, speech and coordination.