The story goes that in 1963, Tanzanian high school student Erasto Mpemba was making ice cream with his class when he impatiently put his sugar and milk concoction into the ice cream churner when it ...

Ice cubes float in water because they’re less dense than the liquid. But a newfound type of ice has a density nearly equal to what’s in your water glass, researchers report in the Feb. 3 Science. If ...

Samples of water being tested using ROSALIND glow to indicate the presence of different water contaminants. (Courtesy: Northwestern University) With 80% of the world’s population at risk of water ...

Physicists are fascinated with heady puzzles, from the nature of space and time to how the universe came to be. But spinning lawn sprinklers? Yes, that too. A new experiment provides an answer to a ...

A new test for assessing the quality of drinking water is faster, and possibly cheaper, than the current method. While current tests take a couple of days, the new test can tell whether water is ...