The dynamic surface tension of water

The surface tension of a liquid is a measure of the cohesive forces that hold the molecules together. It is responsible for a water drop assuming a spherical shape and for the effects of surfactants to produce bubbles and ...

The Fred and Ginger of the finch world (w/ Video)

A monogamous African songbird performs a tap dance so fast it is invisible to the human eye, in an elaborate courtship ritual with steps for both partners, scientists said Thursday.

Bat species found to have tongue pump to pull in nectar

(Phys.org)—A trio of researchers affiliated with the University of Ulm in Germany and the Smithsonian Tropical Research Institute in Panama has found that one species of bat has a method of collecting nectar that has never ...