In the 1860s, the chemists, Lothar Meyer and Dmitri Mendeleev, independently presented the first periodic system. Since then, the well-known tabular arrangement of the elements has been the guiding principle of chemistry. ...
Materials Science
Aug 1, 2022
0
174
In recent years, a large number of exoplanets have been found around single "normal" stars. New research shows that there may be exceptions to this trend. Researchers from the Autonomous University of Nuevo León (UANL), ...
Astronomy
Jul 20, 2022
0
129
A team of researchers at the National University of Singapore has developed a customized magneto-optical trap (MOT) to cool indium atoms to near absolute zero. In their paper published in the journal Physical Review A, the ...
The first ever exoplanets were discovered 30 years ago around a rapidly rotating star, called a pulsar. Now, astronomers have revealed that these planets may be incredibly rare. The new work will be presented tomorrow (Tuesday ...
Astronomy
Jul 11, 2022
0
2137
Scientists have long puzzled over the gap in the fossil record that would explain the evolution from invertebrates to vertebrates. Vertebrates, including fishes, amphibians, reptiles, birds, mammals, and humans, share unique ...
Evolution
Jul 7, 2022
1
1505
Winemaking practices in coastal Italy during the Roman period involved using native grapes for making wine in jars waterproofed with imported tar pitch, according to a study published June 29, 2022 in PLOS ONE by Louise Chassouant ...
Archaeology
Jun 29, 2022
0
273
A new study of the ancient world of Anatolia—now Turkey—shows how they adapted to climate change but offers a warning for today's climate emergency.
Archaeology
Jun 28, 2022
0
250
Paleontologists in the U.K. and China have shown that the natural world bounced back vigorously following the End-Permian Extinction.
Evolution
Jun 20, 2022
3
1558
Tetraphenylammonium, with all four hydrogens of ammonium (NH4+) replaced with benzene rings, has neither been discovered in nature nor chemically synthesized, calling into question whether it could exist. Here, we succeeded ...
Analytical Chemistry
Jun 3, 2022
0
122
A catalyst is a key ingredient for many chemical reactions. It facilitates a molecule to change into another molecule, without being changed itself, meaning it can be used multiple times. However, many catalysts are made ...
Materials Science
Jun 2, 2022
0
132
