Climate negotiators salvaged a compromise deal in Lima early Sunday that sets the stage for a global pact in Paris next year, but rejected a rigorous review of the greenhouse gas emissions limits they plan.

The search for a foreign underwater craft in waters off Stockholm has brought back memories of Sweden’s submarine hunts during the Cold War — and exposed a key difference.

Three researchers won a Nobel Prize on Wednesday for giving microscopes much sharper vision than was thought possible, letting scientists peer into living cells with unprecedented detail to seek the roots of disease.

Japan’s Isamu Akasaki and Hiroshi Amano and U.S. scientist Shuji Nakamura won the Nobel Prize in physics for the invention of blue light-emitting diodes.