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West Indian Manatee, (Trichechus manatus)

Christopher Columbus was the first European to report seeing a manatee in the New World. To Columbus, and other sailors who had been at sea for a long time, manatees were reminiscent of mermaids -- the mythical half-fish, half-woman creatures of the ocean. Manatees are not fish, however, but marine mammals. The West Indian or Florida manatee (and ...

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WestIndianManatee
Mathematics

Unit Of Luminous Intensity (candela)

Originally, each country had its own, and rather poorly reproducible, unit of luminous intensity; it was necessary to wait until 1909 to see a beginning of unification on the international level, when ... Continue reading

Candela
Astronomy

It's a Supernova

Scientists have discovered that one of the brightest gamma ray bursts on record is also a supernova. It's the first direct evidence linking these two types of explosions, both triggered by the death ... Continue reading

ItsaSupernova
Geology

NASA Explains Dust Bowl Drought

NASA scientists have an explanation for one of the worst climatic events in the history of the United States, the 'Dust Bowl' drought, which devastated the Great Plains and all but dried up an already ... Continue reading

NASAExplainsDustBowlDrought
Geology

White Sands National Monument

At the northern end of the Chihuahuan Desert lies a mountain ringed valley called the Tularosa Basin. Rising from the heart of this basin is one of the world's great natural wonders - the glistening ... Continue reading

WhiteSandsNationalMonument

Cougars, A Jumping Star

CougarsAJumpingStarCougars would make great basketball or track-and-field players. Of all the big cats, they are the best jumpers. They can jump 40 feet forward from a standing position, and 15 feet or higher straight up - higher than a basketball hoop.

They're strong, too. A cougar, weighing typically 130 pounds but as much as 200 pounds, can use its jaw to kill an elk four to five times its weight, by leaping onto the animal's back and breaking its spinal cord at the base of its skull. The cougar can kill almost any animal, but it avoids bad odds, keeping clear of wolves, grizzly bears, and other big cats. But its killing prowess is only one reason you probably wouldn't want a cougar on your team.

The cougar is a solitary cat, rarely seen; Native Americans once called it the 'ghost walker.' It avoids other animals and even, except when mating, other cougars. It roams a territory as large as 300 square miles, and on the rare occasion it does meet up with another cougar, it isn't likely to fight over its territory--much less go the distance to cross the finish line or slam dunk the winning two points for your team.