Earlier, White House National Security Council Communications Advisor John Kirby told reporters they can expect additional security assistance announcements "with respect to Ukraine" in coming days ...
Natural product synthesis aims to prepare a complex target molecule such that the product is analytically identical to the naturally occurring compound, termed a natural product. It is used for ...
New research is offering unprecedented insights into the icy planetesimals of the early solar system, such as trans-Neptunian objects (TNOs) and centaurs. Planetesimals are small, celestial objects ...