Dust in the attics of old houses in Las Vegas contains fallout left over from
nuclear tests in the 1950s. James Cizdziel at the University of Nevada in Las
Vegas, who collected the samples, says the dust is no longer dangerous. But he
claims it could help determine how much radiation people were exposed to at the
time of the tests.
More from Â鶹´«Ã½
Explore the latest news, articles and features
Popular articles
Trending Â鶹´«Ã½ articles
1
A quantum state that lasts forever may finally be within our grasp
2
Autism may have two distinct subtypes that vary by brain activity
3
Sperm have been made magnetic to allow IVF inside the body
4
Fully autonomous drones have killed human soldiers for the first time
5
The secrets to keeping your brain sharp in old age
6
Has the answer to life's origins been hiding in our cells all along?
7
Oldest known plague outbreak killed hunter-gatherer children
8
At CERN's Antimatter Factory, scientists probe the mysteries of matter
9
Our brains have their first thoughts surprisingly early in life
10
Chilling the body with drugs could limit brain damage from stroke
