- News Home
17 April 2014 12:48 pm ,
Vol. 344 ,
Officials last week revealed that the U.S. contribution to ITER could cost $3.9 billion by 2034—roughly four times the...
An experimental hepatitis B drug that looked safe in animal trials tragically killed five of 15 patients in 1993. Now,...
Using the two high-quality genomes that exist for Neandertals and Denisovans, researchers find clues to gene activity...
A new report from the Intergovernmental Panel on Climate Change (IPCC) concludes that humanity has done little to slow...
Astronomers have discovered an Earth-sized planet in the habitable zone of a red dwarf—a star cooler than the sun—500...
Three years ago, Jennifer Francis of Rutgers University proposed that a warming Arctic was altering the behavior of the...
- 17 April 2014 12:48 pm , Vol. 344 , #6181
- About Us
Video: The Secret of Schreckstoff
23 February 2012 12:20 pm
Call it the fish version of instant messaging. When a fish is injured, it secretes a compound that makes other fish dart away (as seen in the latter half of the sped up video above, when the red light flashes). The substance, named Schreckstoff (German for "scary stuff"), protects the entire community of fish, but no one knew how it worked. Now they do, thanks to an analysis of fish mucus reported today in Current Biology. The key ingredient in Schreckstoff is a sugar called chondroitin sulfate, which is found in abundance in fish skin. When the skin is torn, enzymes break the compound down into sugar fragments that activate an unusual class of sensory neurons known as crypt cells in other fish. And the fish take off.
See more Videos.