Archive: 07/11/2011

Why fireflies blink in synch

For decades, scientists and the public alike have wondered why some fireflies exhibit synchronous flashing, in which large groups produce rhythmic, repeated flashes in unison – sometimes lighting up a ...

Jul 11, 2011 5 / 5 (3) 1 | with audio podcast

Building galaxies

(PhysOrg.com) -- Galaxies frequently collide with one another. Our own Milky Way galaxy, for example, and its nearest giant neighbor, the Andromeda galaxy, are heading towards each other at a rate of about ...

Jul 11, 2011 5 / 5 (2) 10 | with audio podcast