Just a little squeeze lets proteins assess DNA

(PhysOrg.com) -- To find its target, all a protein needs to do is give quick squeezes as it moves along the DNA strand, suggests new research from The University of Arizona in Tucson.

Semiconductor Lasers Generate Better Random Numbers

(PhysOrg.com) -- Random numbers -- numbers without any pattern -- are vital to many applications, such as computer simulations, statistics, and cryptography. There are many ways to generate them using unpredictable physical ...

Close encounters with 3-D cell growth

(PhysOrg.com) -- MIT engineers have built a device that gives them an unprecedented view of three-dimensional cell growth and migration, including the formation of blood vessels and the spread of tumor cells.

Real-time gene monitoring developed

Imagine having GeneVision: the uncanny ability to view the activity of any chosen gene in real time through a specially modified camera.

Dark Energy Found Stifling Growth in Universe

(PhysOrg.com) -- For the first time, astronomers have clearly seen the effects of "dark energy" on the most massive collapsed objects in the universe using NASA's Chandra X-ray Observatory. By tracking how dark energy has ...

page 2 from 5