Find out how oysters are able to produce pearls as well as how they can be cultured. Includes information about the commercial value of pearls, the variety, and how they are obtained.

Located some 506 km off the coast of Colombia, the site includes Malpelo island (350 ha) and the surrounding marine environment (857,150 ha). This vast marine park, the largest no-fishing zone in the Eastern Tropical Pacific, provides a...

Jacqueline L. Schroedter, a scientist at Lockheed Missiles and Space Company when this photograph was taken, had earned a B.S. in astronomy from University of Arizona. The company-supplied caption said: "She is active in the...

Former silver mining town, home of the Shenandoah-Dives (Mayflower) Mill and one end of the Durango-Silverton Narrow-Gauge Railroad.

Video explore food in space and the science behind it. After watching the video dive deeper through an engaging lesson plan provided. [5 mins, 23 secs]

The Long-tailed Duck can dive up to 200 feet looking for food. Find more interesting facts and listen to the sounds of this species on this informative site.

The Long-tailed Duck can dive up to 200 feet looking for food. Find more interesting facts and listen to the sounds of this species on this informative site.

The Long-tailed Duck can dive up to 200 feet looking for food. Find more interesting facts and listen to the sounds of this species on this informative site.

The Long-tailed Duck can dive up to 200 feet looking for food. Find more interesting facts and listen to the sounds of this species on this informative site.

The Long-tailed Duck can dive up to 200 feet looking for food. Find more interesting facts and listen to the sounds of this species on this informative site.

The Brown Pelican is the only dark pelican and the only pelican that dives for its food from the sky. Find out more interesting facts and hear sounds of this pelican on this detailed site.

The Brown Pelican is the only dark pelican and the only pelican that dives for its food from the sky. Find out more interesting facts and hear sounds of this pelican on this detailed site.

The Brown Pelican is the only dark pelican and the only pelican that dives for its food from the sky. Find out more interesting facts and hear sounds of this pelican on this detailed site.

An abundance of facts, pictures, and sounds of the smallest diving duck in North America are found on this detailed site. A menu of topics includes: cool facts, description, range, habitat, food, behavior, reproduction and conservation...

An abundance of facts, pictures, and sounds of the smallest diving duck in North America are found on this detailed site. A menu of topics includes: cool facts, description, range, habitat, food, behavior, reproduction and conservation...

An abundance of facts, pictures, and sounds of the smallest diving duck in North America are found on this detailed site. A menu of topics includes: cool facts, description, range, habitat, food, behavior, reproduction and conservation...

An abundance of facts, pictures, and sounds of the smallest diving duck in North America are found on this detailed site. A menu of topics includes: cool facts, description, range, habitat, food, behavior, reproduction and conservation...

This detailed site presents clear and concise facts, pictures, and sounds of the Common Merganser. Listen to the sounds of this diving duck on this site as well.

This detailed site presents clear and concise facts, pictures, and sounds of the Common Merganser. Listen to the sounds of this diving duck on this site as well.

This detailed site presents clear and concise facts, pictures, and sounds of the Common Merganser. Listen to the sounds of this diving duck on this site as well.

This detailed site presents clear and concise facts, pictures, and sounds of the Common Merganser. Listen to the sounds of this diving duck on this site as well.

Discover clear and concise facts, pictures, and sounds of the large diving duck on this competent site. Topics discussed on this site include: cool facts, description, range, food, behavior, and reproduction.

Discover clear and concise facts, pictures, and sounds of the large diving duck on this competent site. Topics discussed on this site include: cool facts, description, range, food, behavior, and reproduction.

Discover clear and concise facts, pictures, and sounds of the large diving duck on this competent site. Topics discussed on this site include: cool facts, description, range, food, behavior, and reproduction.