American Institute of Physics

'Valley Girl' dialect expanding to males

The American English speech variant known as uptalk, or "Valley Girl speak" – marked by a rise in pitch at the ends of sentences – is typically associated with young southern Californian females. New research shows uptalk ...

Dec 04, 2013
3.8 / 5 (4) 0

Silent stalkers of dark ocean waters

The mating roar of a male harbor seal is supposed to attract a partner, not a predator. Unfortunately for the seals, scientists have found evidence that marine-mammal-eating killer whales eavesdrop on their ...

Dec 03, 2013
not rated yet 0

What water looks like to DNA

A team of biochemists and mathematicians have developed a sophisticated geometric model to predict how a biological molecule will interact with water molecules, computing the results up to 20 times faster ...

Nov 19, 2013
5 / 5 (6) 0 | with audio podcast

Next-generation semiconductors synthesis

Although silicon semiconductors are nearly universal in modern electronics, devices made from silicon have limitations—including that they cease to function properly at very high temperatures. One promising alternative ...

Nov 08, 2013
4.6 / 5 (16) 0 | with audio podcast

New aluminum alloy stores hydrogen

We use aluminum to make planes lightweight, store sodas in recyclable containers, keep the walls of our homes energy efficient and ensure that the Thanksgiving turkey is cooked to perfection. Now, thanks ...

Nov 05, 2013
4.5 / 5 (12) 1 | with audio podcast