Giant snails

Miami South Florida is battling a growing infestation of one of the world’s most destructive invasive species: the giant African land snail. At least 1,000 of the snails are being caught each week \ in Miami-Dade County, and a total of 117,000 of the mollusks have been caught since September 2011. They can grow as big as a rat and […]

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Twitter as a learning tool?

■    A Brazilian school is teaching kids proper English by asking them to correct erroneously worded tweets by their favorite celebrities. The school asks its preteen students to point out grammar and spelling errors to the likes of Justin Bieber, Paris Hilton, and Charlie Sheen. In April, Bieber tweeted, “That was a long bus ride. But we here.” Maria, 9, […]

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Mapping the infant universe

Mapping the infant universe

Mapping the infant universe is no easy task. New data from the European Space Agency’s Planck satellite is giving astronomers their most complete look yet at the very earliest moments of the universe. Planck, which measures microwave radiation, has created a heat map of the temperatures present in the universe a mere 370,000 years after the Big Bang. The data […]

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Meditation delays aging

Meditation doesn’t just improve mental and physical health in the present. It also slows the aging process, and can help meditators stay mentally sharp into old age, a new study has found. Once people reach their mid- to late 20s, their brains begin to lose volume and weight, which can eventually result in the loss of some functional ability. But […]

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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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