Another weekend has arrived, and that means new hints are popping up in Cookie Jam. If you’re stuck on “Au on the periodic ...

A fast and efficient sample preparation method in view of isotope ratio measurements is described, allowing the separation of 11 elements involved, either as “parent” or as “daughter” isotopes, in six ...

Discover insights into the political makeup of academia, its roots in genetics and environment, and the importance of diverse ...

Astatine is the rarest naturally occurring element on Earth and one of the least studied within the periodic table, mostly ...

An attosecond—or 0.000000000000000001 second—is no time at all for a person. That is not so for electrons, atoms and molecules, and laser-wielding scientists are revealing the action ...