subways “teeming with life”

Researchers who swabbed and tested DNA from surfaces in New York City’s subway system identified 562 species of bacteria, including microbes from mozzarella, sausage, hummus, kimchi, sauerkraut, rats, mice, and lice. Geneticist Christopher E. Mason said the bacteria found were not sufficient to cause disease, but that his work revealed the subways to be “teeming with life,” like “a rain […]

Read more

Voyager 1 Escaping Our Solar System

On the 35th anniversary of its launch, the Voyager 1 spacecraft is close to becoming the first man-made object to escape our solar system. The spacecraft—run by a 1977 computer 100,000 times less powerful than an iPod Nano—is currently 11.3 billion miles away. In 2004, Voyager 1 entered the turbulent boundary zone beyond Pluto, where solar winds encounter plasma pushing […]

Read more

The Cost of Dementia

As the population ages and lives longer, dementia has become one of the country’s most expensive medical conditions, with $109 billion in direct medical costs in 2010, a new RAND study found. The medical cost of dementia exceeds that of both heart disease, at $102 billion, and cancer, at $72 billion.

Read more
1 25 26 27 28 29 35