News tagged with radioactive elements

Earth's gold came from colliding dead stars

We value gold for many reasons: its beauty, its usefulness as jewelry, and its rarity. Gold is rare on Earth in part because it's also rare in the universe. Unlike elements like carbon or iron, it cannot ...

Jul 17, 2013
4.7 / 5 (48) 90 | with audio podcast

Moon is younger than first thought

Improved age data for the Moon suggests that it is much younger than previously believed according to scientists presenting at a Royal Society discussion meeting entitled Origins of the Moon this week (23 ...

Sep 25, 2013
4.4 / 5 (17) 14 | with audio podcast

Seeing a Stellar Explosion in 3D (w/ Video)

(PhysOrg.com) -- Astronomers using ESO’s Very Large Telescope have for the first time obtained a three-dimensional view of the distribution of the innermost material expelled by a recently exploded star. ...

Aug 04, 2010
5 / 5 (13) 1 | with audio podcast

How slow is slow? EXO knows

(PhysOrg.com) -- Cooks think of watched pots. Handymen grumble about drying paint. Kids dread the endless night before Christmas morning.

Sep 09, 2011
4.6 / 5 (8) 5 | with audio podcast