News tagged with chemical signatures

Chemistry trick kills climate controversy

Volcanoes are well known for cooling the climate. But just how much and when has been a bone of contention among historians, glaciologists and archeologists. Now a team of atmosphere chemists, from the Tokyo ...

Feb 11, 2013
4.7 / 5 (21) 2 | with audio podcast

Space sunflower may help snap pictures of planets

A spacecraft that looks like a giant sunflower might one day be used to acquire images of Earth-like rocky planets around nearby stars. The prototype deployable structure, called a starshade, is being developed ...

Mar 21, 2014
5 / 5 (10) 3

Did diamonds begin on the ancient ocean floor?

(Phys.org) —Geology professor Dan Schulze calls this singular gem from the remote Guaniamo region of Venezuela the "Picasso" diamond. The blue luminescent, high-resolution image of a diamond formed over ...

Apr 18, 2013
4.4 / 5 (8) 1 | with audio podcast

Studying a Star Before it is Born

(PhysOrg.com) -- The first phase of a star's formation are thought to begin deep inside a natal cloud of gas and dust. In the earliest stages, material coalesces under the influence of gravity into so-called ...

Dec 04, 2009
4.7 / 5 (6) 1