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New drug shows early promise in small Alzheimer's trial

A drug called PBT2, developed by Australian company Prana Biotechnology, appears to improve cognitive abilities in patients with early-stage Alzheimer's disease.  Researchers report in Lancet Neurology , that it was also successful in reducing protein buildup associated with the debilitating neurodegenerative illness, which plagues up to 4.5 million Americans.

July 30, 2008 — Nikhil Swaminathan

NASA turns 50 today

The National Aeronautics and Space Administration (NASA) was established 50 years ago today by the aptly named National Aeronautics and Space Act. NASA began operations on October 1, 1958, with a staff of 80 spread among four laboratories.

July 29, 2008 — JR Minkel

Bill Gates just says no to smoking at the Beijing Olympics

At this year's Olympics, you can boot up, but don't light up: China's pledge to host a "smoke-free" Olympic games in Beijing has gotten a boost from former Microsoft executive and co-founder Bill Gates.

July 28, 2008 — Larry Greenemeier

YouTube Lecturer and Virtual Reality Expert Randy Pausch Dies at 47

Randy Pausch, the Carnegie Mellon University computer scientist whose last lecture, titled "Really Achieving Your Childhood Dreams," became a viral video on YouTube, died today at the age of 47 after a two-year battle with pancreatic cancer.

July 25, 2008 — Nikhil Swaminathan

Could Wildfires Save the Arctic?

Alaskan residents who watched as wildfires claimed a record 10,000 square miles (26,00 square kilometers) of land in 2004 can take cold comfort in the fact that the choking smoke endured during wildfire season could blunt some of the effects of global warming.

July 25, 2008 — JR Minkel

New Warnings on Cell Phone Use

There has been a raging debate over whether cell phones – or more specifically electromagnetic radiation that they emit – up a person's cancer risk.

July 25, 2008 — Barbara Juncosa

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