A Dementia Epidemic

Alzheimer’s and other forms of dementia are afflicting far more Americans than ever before. An alarming new report by the Alzheimer’s Association shows that one in three seniors have dementia when they die, and deaths from the disease increased nearly 70 percent between 2000 and 2010. “It’s an epidemic, it’s on the rise, and currently there is no way to […]

Read more

Our sun’s hotter sister

Stars are not born alone. Rather, they emerge from clouds of gas and dust in groups of up to 10,000, then slowly scatter through space. For the first time, astronomers have identified a star that came from the same solar nursery as our sun, some 4.5 billion years ago. This stellar relative—located 110 light-years away in the constellation Hercules—is hotter […]

Read more
1 2 3 455