Much of the carbon in space is believed to exist in the form of large molecules called polycyclic aromatic hydrocarbons (PAHs). Since the 1980s, circumstantial evidence has indicated that these molecules are abundant in space, ...
Astronomy
Mar 18, 2021
13
936
The world's forests play an important role in mitigating climate change. They are carbon sinks, meaning they absorb more carbon dioxide than they emit. But according to new research, the most prolific tree in North America—the ...
Plants & Animals
Jun 25, 2020
1
326
By examining the carbon isotope composition of tree-rings, researchers from Swinburne and the University of California, Davis have compiled the first comprehensive global database for water-use efficiency.
Environment
Apr 28, 2020
0
46
Atomic bomb tests conducted during the Cold War have helped scientists for the first time correctly determine the age of whale sharks.
Plants & Animals
Apr 6, 2020
1
1728
RUDN University chemist Erik Van der Eycken has come up with a new method for the synthesis of a large group of complex poly-heterocyclic organic compounds, which may have applications for new pharmaceuticals. The researcher ...
Materials Science
Oct 29, 2019
0
23
Corals fascinate amateurs and experts alike: small polyps that extract calcium carbonate from seawater and use it to build their elaborate skeletons. But climate change, with rising water temperatures and increasing ocean ...
Ecology
Aug 8, 2019
2
15
A team of researchers affiliated with several institutions in Japan has developed a way to create catenanes and a molecular trefoil knot out of para-connected benzene rings. In their paper published in the journal Science, ...
Natural products, or their close derivatives, make some of our most potent medicines, among which macrocycles with their large carbon-rich ring systems are one class. The size and complexity of macrocycles has made it difficult ...
Biochemistry
Jun 11, 2019
0
3
Antibiotic-resistant bacteria are an increasing health threat, making new antibiotics essential. German researchers have recently had a breakthrough: they discovered lugdunin in the human nose—a new kind of cyclic peptide ...
Biochemistry
May 27, 2019
0
277
Accelerated tree growth caused by a warming climate does not necessarily translate into enhanced carbon storage, an international study suggests.
Environment
May 15, 2019
3
333
