The purpose of stabilimenta within the web is unclear. They could help collect water, regulate a spider’s body temperature, ...

At this rate, Harry Potter skeptics may soon be left with no place to hide. Two new materials that bend light backward suggest that invisibility cloaks like Harry’s could some day become feasible. For ...

The base and the perpendicular height are at right angles to each other. The measurements used must be in the same units. For example, to work in cm a 45 mm measurement would have to be converted to ...