Combine simple household ingredients to watch ice crystals form in seconds.

American Alysa Liu won gold in women's figure skating, becoming the first American woman to do so since 2002. American speedskater Jordan Stolz took silver in the 1,500-meter final. He'd previously ...

While brain-training apps and expensive supplements dominate the market, the sharpest septuagenarians are quietly preserving their cognitive edge through deliberate daily hand movements that ...