News tagged with biological fluids

Trapping the light fantastic

(Phys.org) —The development of a 'nanobarrel' that traps and concentrates light onto single molecules could be used as a low-cost and reliable diagnostic test.

Jun 16, 2014
5 / 5 (7) 1

Sea lampreys turning up the heat

(Phys.org) —Male sea lampreys may not be the best-looking creatures swimming in our lakes and streams, but they apparently have something going for them that the ladies may find irresistible.

Jun 27, 2013
5 / 5 (3) 0 | with audio podcast

Amazing skin gives sharks a push

Shark skin has long been known to improve the fish's swimming performance by reducing drag, but now George Lauder and Johannes Oeffner from Harvard University show that in addition, the skin generates thrust, ...

Feb 09, 2012
4.5 / 5 (4) 0 | with audio podcast

Pressurized vascular systems for self-healing materials

Artificial microvascular systems for self-repair of materials damage, such as cracks in a coating applied to a building or bridge, have relied on capillary force for transport of the healing agents. Now, researchers at the ...

Sep 29, 2011
3.8 / 5 (4) 1 | with audio podcast

Spitting cobras track first, predict later

Most venomous snakes are legendary for their lethal bites, but not all. Some spit defensively. Bruce Young, from the University of Massachusetts Lowell, explains that some cobras defend themselves by spraying ...

May 14, 2010
4.1 / 5 (9) 0 | with audio podcast