We're not talking about that little puddle of water on your kitchen counter that used to be an ice cube. Rather, "hot ice" is a substance called sodium acetate trihydrate. Solid at room temperature, it melts into a liquid at 58 degrees Celsius.  It can also be melted into a liquid and then

Fermentation is critical to winemaking. But sometimes the yeast that ferments the wine shuts down prematurely, and bacteria consume the remaining sugar and spoil the drink—a chronic problem called stuck fermentation. Researchers report in the 28 August issue of Cell that they have discovered a

You can credit your existence to tiny wormlike creatures that lived 500 million years ago, a new study suggests. By tunneling through the sea floor, scientists say, these creatures kept oxygen concentrations at just the right level to allow animals and other complex life to evolve. The finding may

England’s infamous King Richard III hit the banquet circuit during the years leading up to his violent 1485 death, suggests a new analysis of his recently recovered remains. Details of Richard’s killing and medical problems have emerged since his skeleton was excavated in 2012 beneath a British

Thanks to the Montreal Protocol, which brought the major causes of ozone depletion such as chlorofluorocarbons (CFCs) under control, the ozone hole over Antarctica is healing, and global ozone levels are expected to return to 1980 levels by about 2050. But recent studies have found that a lesser