News tagged with physicists

DNA's double stranded stretch

(Phys.org)—Theoretical physicists like to play with very unconventional toys. Manoel Manghi from Toulouse University in France and his colleagues have adopted a seemingly playful approach to examining what happens to a ...

Oct 25, 2012
4.3 / 5 (3) 0 | with audio podcast

DNA prefers to dive head first into nanopores

(Phys.org)—In the 1960s, Nobel laureate Pierre-Gilles de Gennes postulated that someday researchers could test his theories of polymer networks by observing single molecules. Researchers at Brown observed ...

Jan 08, 2013
4.3 / 5 (3) 0 | with audio podcast

How proteins read meta DNA code

Three-quarters of the DNA in evolved organisms is wrapped around proteins, forming the basic unit of DNA packaging called nucleosomes, like a thread around a spool. The problem lies in understanding how DNA can then be read ...

Mar 19, 2013
4.3 / 5 (3) 0

Organic electronics—a hot matter

Organic semi-conductors could revolutionise electronics in various areas. Nowadays, components put out such high performances that they are used in small devices like mobile phones. With larger devices, however, ...

Apr 08, 2013
4 / 5 (3) 0

It pays to cooperate

Many species exhibit cooperative survival strategies—for example, sharing food or alerting other individuals when a predator is nearby. However, there are almost always freeloaders in the population who will take advantage ...

Nov 13, 2012
5 / 5 (2) 0 | with audio podcast