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 […]

Read more

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.

Read more

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 […]

Read more
1 297 298 299 300 301 455