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

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

Safer nuclear fuels

Exploratory research on revolutionary new types of nuclear fuel pellets that would be safer in the event of a nuclear disaster has yielded promising results, according to a team of scientists from the University of Tennessee ...

Oct 29, 2013 3.8 / 5 (4) 4

Cat's eyes: Designing the perfect mixer

As any amateur baker knows, proper mixing is crucial to a perfect pastry. Mix too little and ingredients will not be evenly distributed; beat instead of fold, and a soufflé will fall flat. Mixing strategies ...

Oct 29, 2013 4.5 / 5 (2) 0

Extracting energy from bacteria

Most of us wouldn't consider bacteria a promising energy source of the future. That would be shortsighted, says Leonard Tender, a microbial-electrochemist at the Naval Research Laboratory in Washington, D.C., who believes ...

Oct 29, 2013 4 / 5 (1) 0