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, […]

Read more

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 […]

Read more

Turning walks into watts

The average human being generates about eight watts of energy with each step, most of which is expended as vibration. It may not sound like much, but take the 30,000 or more people who pass through a major-city subway hub at rush hour, and suddenly you’ve got serious power. That’s usually a problem for architects and engineers, who have to […]

Read more

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 […]

Read more

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 […]

Read more
1 5 6 7 8 9 12