Tag: evolution

The underlying unity of life

Comparing animals of various sizes has historically been a challenge for biologists. From simple observation, an elephant could not be more different than a mouse. Yet, a universal underlying principle concurrently governs them both.  Scaling laws—derived mathematical models that compare an organism’s key life traits to its body mass—present an […]

Research Briefs—Oct. 28, 2014

Physicists transport marbles with optical tractor beam The tractor beam—a long-distance invisible attraction beam—is a legendary staple in science fiction. In real life, moving objects using only light seems absurd, if not impossible. However, in a paper published in Nature Photonics, a team of Australian and American physicists successfully transferred […]