Standing at work to stay healthy

If you work at a desk, you should get up on your feet for at least two hours a day to avoid the serious health consequences of prolonged sitting, a panel of scientists has recommended.The average office worker sits for 10 hours a day, then heads home to spend the evening glued to a television or computer screen. A growing […]

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How were the white cliffs of Dover, England, formed?

How were the white cliffs of Dover England formed

The white cliffs of Dover located on the southeastern coast of England, are composed of a variety of calcite shells, including single-celled plants called coccolithophores (a type of algae) that formed on the seafloor.  The conditions in the ocean were perfect to form these coccolithophores because the nitrite levels, low silicate concentrations, and the right amount of iron enabled them […]

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Guatemala: A nation in the grip of depression

Guatemalans are suffering from “an epidemic of chronic pessimism,” said Jose J. Camacho. We all seem to agree that “everything is bad, nothing is certain, everyone has a price, and something evil lurks behind every good deed.” The media fuel these perceptions by covering every new incidence of violence exhaustively, lavishing special attention on the most frightening and lurid details […]

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How elephants defy getting cancer

How elephants defy getting cancer

As the world’s largest land mammals, elephants should suffer one of the highest cancer rates—they simply have far more cells that could potentially mutate and become malignant. But new research reveals that elephants rarely get cancer—and the reason why may help in the search for human treatments. Only about 4.8 percent of elephants die from cancer, compared with up to […]

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Gadgets causing depression

Spending evenings in front of a glowing computer, TV, or cellphone screen can put you at risk of depression, Science News reports. Nighttime exposure to light from gadgets has already been shown to contribute to insomnia, cancer, obesity, and diabetes. Now, a new study shows that screen glow can cause mood-related changes in the brain. For weeks, researchers exposed hamsters […]

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