At the end of the Permian Period, approximately 250 million years ago, more than 80 percent of all maritime species became extinct after volcanic eruptions in Siberia released huge quantities of greenhouse gases and caused ...
Paleontology & Fossils
Sep 6, 2022
1
52
The synthesis and study of radioactive compounds are naturally difficult due to the extreme toxicity of the materials involved, but also because of the cost and scarcity of research isotopes.
Analytical Chemistry
Sep 1, 2022
0
107
Atoms in magnetic materials are organized into regions called magnetic domains. Within each domain, the electrons have the same magnetic orientation. This means their spins point in the same direction. "Walls" separate the ...
Nanophysics
Aug 25, 2022
0
16
A global team of scientists has shown how microsampling oxygen isotopes in fossilized teeth can offer greater insights into the role seasonal climate and behavior played in human and primate evolution.
Evolution
Aug 23, 2022
0
401
A team of researchers affiliated with multiple institutions in the U.S. has successfully pulled an ice core from Antarctica's Ong Valley that contains samples of Earth's atmosphere from up to 5 million years ago. In their ...
Researchers at the Indian Institute of Science (IISc) have identified a way to estimate ancient seawater temperature by probing tiny bones in the ears of fish.
Earth Sciences
Aug 10, 2022
0
205
A team of researchers at the Max Planck Institute for Chemistry, working with a colleague from Université Paris-Saclay, has found evidence that suggests supernovae and their progenitors may have contributed more dust to ...
Scientists at the Oak Ridge National Laboratory used neutron scattering to determine whether a specific material's atomic structure could host a novel state of matter called a spiral spin liquid. By tracking tiny magnetic ...
General Physics
Jul 27, 2022
0
639
Marine scientists have discovered that whale sharks eat plants, making the iconic fish the world's largest omnivore.
Plants & Animals
Jul 25, 2022
0
80
As early as 7,400 years ago, Siberian dogs had evolved to be far smaller than wolves, making them more dependent on humans for food including sea mammals and fish trapped below the ice, a new study showed Friday.
Plants & Animals
Jul 22, 2022
0
1178
