American Institute of Physics

The secret of fertile sperm

To better understand the causes of male infertility, a team of Bay Area researchers is exploring the factors, both physiological and biochemical, that differentiate fertile sperm from infertile sperm. At ...

Feb 18, 2014
4 / 5 (3) 0

3-in-1 optical skin cancer probe

As thousands of vacationers hit the beach this summer, many of them will expose their unprotected bare limbs to direct UV sunlight, potentially putting them at risk of skin cancer later in life. To fight ...

Aug 05, 2014
3.7 / 5 (3) 0

Mining for heat

Underground mining is a sweaty job, and not just because of the hard work it takes to haul ore: Mining tunnels fill with heat naturally emitted from the surrounding rock. A group of researchers from McGill University in Canada ...

May 02, 2012
5 / 5 (2) 2 | with audio podcast

A nanoclutch for nanobots

Chinese researchers have designed and tested simulations of a "nanoclutch," a speed regulation tool for nanomotors.

May 24, 2012
5 / 5 (2) 0

Going with the flow

Scientists who study tissue engineering and test new drugs often need to sort, rotate, move, and otherwise manipulate individual cells. They can do this by prodding the cells into place with a mechanical probe or coaxing ...

Sep 12, 2012
5 / 5 (2) 0

Mosquitos fail at flight in heavy fog

Mosquitos have the remarkable ability to fly in clear skies as well as in rain, shrugging off impacts from raindrops more than 50 times their body mass. But just like modern aircraft, mosquitos also are grounded when the ...

Nov 19, 2012
5 / 5 (2) 0

Can solar energy help save Greece?

What happens to renewable energy programs in a country that gets whacked by a full-scale debt crisis, like the one that struck Greece beginning in 2009—do the programs whither and die in the winds of austerity? And how ...

Aug 14, 2013
3.3 / 5 (3) 3 | with audio podcast

New technology for bioseparation

Separating target molecules in biological samples is a critical part of diagnosing and detecting diseases. Usually the target and probe molecules are mixed and then separated in batch processes that require ...

Sep 17, 2013
5 / 5 (2) 0