His White House advisers considered giving him such a test to prove his fitness for a second term, but they worried it would draw new attention to his age, according to a forthcoming book.

Usually, scientists study these changes by testing proteins in a test tube or in human cells. But those methods can be slow, expensive and sometimes hard to do. So the UC San Diego researchers ...

But every obstacle can be an opportunity as this Sudirman Cup will provide a top-tier platform to test India's bench strength ... to beat Denmark, then the draw could potentially open up.