News tagged with chemical

First detection of lithium from an exploding star

The chemical element lithium has been found for the first time in material ejected by a nova. Observations of Nova Centauri 2013 made using telescopes at ESO's La Silla Observatory, and near Santiago in Chile, help to explain ...

dateJul 29, 2015 in Astronomy
shares2471 comments 11

How to look for a few good catalysts

Two key physical phenomena take place at the surfaces of materials: catalysis and wetting. A catalyst enhances the rate of chemical reactions; wetting refers to how liquids spread across a surface.

dateJul 30, 2015 in Materials Science
shares22 comments 0

New chemistry makes strong bonds weak

Researchers at Princeton have developed a new chemical reaction that breaks the strongest bond in a molecule instead of the weakest, completely reversing the norm for reactions in which bonds are evenly split to form reactive ...

dateJul 28, 2015 in Materials Science
shares1904 comments 0

Fossil star clusters reveal their age

Using a new age-dating method, an international team of astronomers has determined that ancient star clusters formed in two distinct epochs – the first 12.5 billion years ago and the second 11.5 billion years ago.

dateJul 27, 2015 in Astronomy
shares134 comments 1