News tagged with collection

Where do astronauts go when they need 'to go?'

Alan Shepard became the first American to fly in space on May 5, 1961. Although NASA engineers had put considerable planning into his mission, dubbed Freedom 7, noticeably missing from this extensive preparation was a way ...

Jul 10, 2013
5 / 5 (5) 1

Who wants to pay more for green electricity?

A research report in the International Journal of Environment and Pollution suggests that individuals prefer to be involved in a collective contribution to green electricity that involve everyone paying more, rather than h ...

Jul 02, 2009
2.5 / 5 (8) 12

Evolution shapes new rules for ant behavior

In ancient Greece, the city-states that waited until their own harvest was in before attacking and destroying a rival community's crops often experienced better long-term success.

May 15, 2013
5 / 5 (4) 0 | with audio podcast

Blocking infinity in a topological insulator

(Phys.org)—In bulk, topological insulators (TIs) are good insulators, but on their surface they act as metals, with a twist: the spin and direction of electrons moving across the surface of a TI are locked ...

Feb 08, 2013
4.8 / 5 (4) 7 | with audio podcast