Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

The sample size is still quite small, but Rivers was not sugarcoating his comments in Indiana about the defensive effort of his all-bench units to this point. If Rivers is going to continue using ...

Permeation tubes and systems that dynamically generate fresh, NIST-traceable gas standards offer significant benefits for ...

A good budget helps you reach your spending and savings goals. Work out your proposed household budget by inputting your sources of income and projected expenses into Kiplinger's worksheet below. You ...

Family has always been important to those working in population genetics. When Sohini Ramachandran was a postdoc, the issue ...