The rock known as 2012 DA14 will fly past around 2:24 p.m. ET. It will be closer than many satellites and the size of an office building. And it will be nearer to the planet than anything else of its size that we know of.
Crowd funding has proved popular for bands raising money to produce a new album and for producers of documentary films. Now scientists are getting into the act, and some are raising money from the very people they're studying.
What do you do when you're a scientist and you have no job and no money for your research? If you're Ethan Perlstein, you try crowd funding. He raised $25,000 to investigate where the drug methamphetamine is stored in the brain.
North Korea's latest nuclear weapons test is much more powerful than the previous two, according to estimates made by instruments that measure seismic waves from the blast. But it's hard to verify North Korea's claim that the test was of a miniaturized nuclear weapon.
A new smartphone app allows users to document falling precipitation in their location. The mPING app aims to help weather officials program radar to determine exactly what's falling near you. For example, is it hail or mixed rain?
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