New research provides the clearest evidence yet that the Cambrian explosion—a rapid burst of evolution 540 million years ago, could have been triggered by only a small increase in oxygen levels in Earth's atmosphere and ...
Evolution
Jul 2, 2024
1
246
Physicists from Swansea University and Åbo Akademi University have made a significant breakthrough in solar cell technology by developing a new analytical model that improves the understanding and efficiency of thin-film ...
General Physics
Jul 2, 2024
0
10
Nitrogen is an important and abundant element on Earth. In fact, nitrogen in the gas state is the most abundant gas in the atmosphere. This element is in our body as part of our DNA and in the center of hemoglobin. But nitrogen ...
Analytical Chemistry
Jul 1, 2024
0
51
A new study shows that parts of central Europe were repopulated some 3,000 years earlier than previously thought following the inhospitable conditions of the last ice age.
Archaeology
Jul 1, 2024
0
176
In a new study, scientists describe three new, but long-extinct, walnut species on an island above the Arctic Circle. The fossils were discovered further north than any known walnut species, living or extinct, and represent ...
Plants & Animals
Jun 27, 2024
1
200
The term aromaticity is a basic, long-standing concept in chemistry that is well established for ring-shaped carbon compounds. Aromatic rings consisting solely of metal atoms were, however, heretofore unknown.
Materials Science
Jun 27, 2024
0
68
The University of Antwerp and CIC biomaGUNE have come up with a promising method for understanding the role of surface molecules in the formation of nanoparticles. The groundbreaking research, published in Nature Chemistry, ...
Nanomaterials
Jun 27, 2024
0
68
For a billion years, single-celled eukaryotes ruled the planet. Then around 700 million years ago during Snowball Earth—a geologic era when glaciers may have stretched as far as the Equator—a new creature burst into existence: ...
Evolution
Jun 27, 2024
0
9
After six months of effort, an instrument that helps the Mars rover look for potential signs of ancient microbial life has come back online.
Planetary Sciences
Jun 26, 2024
0
590
Scientists have eagerly awaited the opportunity to dig into the 4.3-ounce (121.6-gram) pristine asteroid Bennu sample collected by NASA's OSIRIS-REx (Origins, Spectral Interpretation, Resource Identification, and Security—Regolith ...
Planetary Sciences
Jun 26, 2024
0
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