Overdosing On Exercise – Harmful Extreme Workouts

Harmful Extreme Workouts

Training for a marathon and other extreme workouts may be more harmful than healthy. After reviewing over 50 studies, researchers at the Mayo Clinic found that more than an hour of intense aerobic activity per day put runners and cyclists at heightened risk of serious heart problems, including an irregular heartbeat, clogged arteries, and scarring. Habitual marathon runners and professional […]

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How Sea Ice Forms

Sea ice is formed from ocean water that freezes. Because the oceans consist of saltwater, this occurs at about minus 1.8 degrees Celsius (28.8 degrees Fahrenheit). Most Antarctic sea ice occurs annually, meaning it forms in the winter and melts during the summer. Sea ice regulates exchanges of heat, moisture and salinity in the polar oceans. It insulates the relatively warm […]

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Obese Americans

American men are weighing in at an average of 196 pounds—16 pounds more than in 1990, a new Gallup survey has found.The average weight for women jumped 14 pounds—to 156 pounds— over the same period. Gallup estimates 62 percent of Americans are either overweight or obese.

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Death By Coke

A mother-of-eight, 30, died suddenly from a cardiac arrest because she drank up to 18 pints of Coke every day for years, a coroner has ruled. Natasha Harris died at home in Invercargill on New Zealand’s south island. An inquest revealed that she would drink at least four 2.5 litre bottles of the fizzy drink each day, consuming more than […]

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A Moon With Water

Astrobiologists searching the heavens for extraterrestrial life have a simple motto: “Follow the water, ”says The Washington Post. Water is an essential ingredient in all earthly biochemistry, so scientists believe it’s logical to look for life first on planets and moons with liquid water.New data from NASA’s Cassini spacecraft indicate that Enceladus, a tiny, ice-encrusted moon orbiting Saturn, may be […]

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