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Obesity: How much fat can your genes handle?

According to some experts, the popular formula for weight loss, 'eat less, and exercise more,' is not working for many Americans. Recent estimates say that about 34% of adults and 22% of preschool children in the U.S. are overweight. These numbers represent a threat to public health because obesity increases a person's risk of developing diabetes ...

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Obesity
Astronomy

The Strange Spires of Callisto

When NASA's adventurous Galileo spacecraft skimmed a mere 138 km, (123 miles) above the surface of Jupiter's moon Callisto, onboard cameras captured the sharpest pictures ever of that moon's ... Continue reading

CallistoSpires
Astronomy

A Map of the Sky

Niagara Falls, the Grand Canyon, Old Faithful... we know they're spectacular sites, but how did we find out about them? Early explorers took the time to map out the United States and as a result, you ... Continue reading

AMapoftheSky
Medicine

Legionnaires' Disease

Legionnaires' disease, which is also known as Legionellosis, is a form of pneumonia. It is often called Legionnaires' disease because the first known outbreak occurred in the Bellevue Stratford Hotel ... Continue reading

LegionnairesDisease
Geology

Surprise! Lightning Has Big Effect On Atmospheric Chemistry

Scientists were surprised to learn summer lightning over the U.S. significantly increases regional ozone and other gases that affect air chemistry 3 to 8 miles above Earth's surface.The amounts of ... Continue reading

AtmosphericChemistry

The Handsome Betta Fish

BettaFishThe Betta fish is possibly the most handsome tropical fish out there. We say handsome because the male of the species is the bigger and more exotic one. Referred to as the jewel of the Orient, Betta are most abundant in the shallow rice paddies of Thailand.

Male Betta have long, velvety and colorful fins, and a biting and fighting personality. They are very territorial and two male Betta in the same small area will fight each other, sometimes to death-hence their nickname, 'Siamese fighting fish'. The Betta was first described in 1846 by Valenciennes and Cuvier. The first shipment of Betta arrived in the United States in 1909 and was called Betta splendens.

Betta is classified as a fresh water fish, however in addition to standard gills that are used to extract oxygen from the water, they have a specialized labyrinth organ that allows them to breathe atmospheric air through their mouths. Betta have quite a charming personality when interacting with humans and are one of the only fish which like to be petted!