When it comes to mammals, how big is too big?

(Phys.org) —Mammals vary enormously in size, from weighing less than a penny to measuring more than three school buses in length. Some groups of mammals have become very large, such as elephants and whales, while others ...

Could the Higgs mass determine the end of the universe?

You may have heard in the recent media that the world was going to end. Uh, again. Worse still, the devastation wasn't limited to Earth; the whole universe might end. Bad news, right? And you thought 2012 was the year to ...

Scientists develop new model to measure vehicle emissions

(Phys.org)—A team of researchers in Boston University's Department of Earth and Environment have developed a new, bottom-up model for measuring on-road vehicle emissions. The model will be used in Massachusetts to more ...

Time reversal findings may open doors to the future

(Phys.org)—Imagine a cell phone charger that recharges your phone remotely without even knowing where it is; a device that targets and destroys tumors, wherever they are in the body; or a security field that can disable ...

Calculating quantum vacuum forces in nanostructures

(Phys.org)—One of the surprising predictions of quantum mechanics is that uncharged conductors can attract each other over small distances, even in empty space. While the resulting "Casimir force" has been accurately measured ...

Iranian space official: Photo shows wrong monkey

One of two official packages of photos of Iran's famed simian space traveler depicted the wrong monkey, but a primate really did fly into space and return safely to Earth, a senior Iranian space official confirmed Saturday.

page 5 from 7