Physical Review Letters

The origins of handedness in life

Handedness is a complicated business. To simply say life is left-handed doesn't even begin to capture the blooming hierarchy of binary refinements it continues to evolve. Over the years there have been numerous ...

Oct 01, 2014 report
4.4 / 5 (16) 2

How did evolution optimize circadian clocks?

( —From cyanobacteria to humans, many terrestrial species have acquired circadian rhythms that adapt to sunlight in order to increase survival rates. Studies have shown that the circadian clocks ...

Sep 12, 2014 feature
3.4 / 5 (28) 17

Physicists investigate onset of effective mass

( —Although mass may seem to be a fairly straightforward concept, from a physics perspective it can be much more complex than weighing an object and reading off a number in grams. For instance, an object's mass ...

May 21, 2014 feature
4.8 / 5 (36) 9