Cryo-transmission electron microscopy (cryo-TEM) has transformed the way scientists study biological and organic materials. Flash-freezing samples preserves their structure in a state close to how ...

A sample of Beelitz sandy soil containing fragments of thin polyethylene film (PET) was analysed here. Such films are used in asparagus cultivation. The neutron tomography (in shades of grey) shows ...

In the first millionths of a second after the Big Bang, the universe was a roiling, trillion-degree plasma of quarks and gluons — elementary particles that briefly glommed together in countless ...

Scientists have developed inexpensive, oxidized carbon particles that extract radioactive metals from water. They said their materials may help purify contaminated waters stored after the Fukushima ...