An experiment shows that one of the basic units of life—nucleobases—could have originated within giant gas clouds interspersed between the stars.
Astrobiology
Sep 27, 2019
46
241
Scientists at Nanyang Technological University, Singapore (NTU Singapore) have developed a technique to observe how radiation damages molecules over time frames of just one quadrillionth of a second—or a femtosecond.
General Physics
Sep 19, 2019
4
55
A chemist from RUDN University has developed a tin silicate catalyst for the production of esters—flavourings, plasticisers, and biofuel components. Unlike existing catalysts, the new material can be made active again and ...
Materials Science
Sep 17, 2019
0
15
Semiconductors—and our mastery of them—have enabled us to develop the technology that underpins our modern society. These devices are responsible for a wide range of electronics, including circuit boards, computer chips ...
Materials Science
Sep 16, 2019
0
436
In 2002, the discovery of acrylamide in certain snacks rattled consumers and the food industry. Acrylamide, a probable human carcinogen, forms by a chemical reaction during baking or frying. Although experts say it's impossible ...
Other
Sep 11, 2019
0
11
The most common process for making hydrogen peroxide begins with a highly toxic, flammable working solution that is combined with hydrogen, filtered, combined with oxygen, mixed in water, and then concentrated to extremely ...
Biochemistry
Sep 6, 2019
0
8
Rice University scientists have found a way to engineer a new kind of cell differentiation in bacteria, inspired by a naturally occurring process in stem cells.
Cell & Microbiology
Aug 12, 2019
0
191
A new global study of how calcium concentrations are changing in freshwater lakes around the world has revealed that in widespread areas in Europe and eastern North America, calcium levels are declining towards levels that ...
Environment
Aug 6, 2019
4
388
One of the tricks you learn hunting dinosaurs in Canada is to look for orange. Dinosaur bones are dull browns, tans, and greys. But in the middle of the drab sandstones of the badlands—a dry landscape where wind and water ...
Archaeology
Jul 26, 2019
2
60
Scientists think that green algae are plants water-living ancestors, but we are not sure how the transition to land plants happened.
Biotechnology
Jul 24, 2019
9
278
