Frontpage » Tag » alarm signal
News tagged with alarm signal
For fish, fear smells like sugar
When one fish gets injured, the rest of the school takes off in fear, tipped off by a mysterious substance known as "Schreckstoff" (meaning "scary stuff" in German). Now, researchers reporting online on February 23 in the ...
Feb 23, 2012 |
4.8 / 5 (4) |
0
|
Vigilant windows
Is someone sneaking around in front of the window trying to break in? Windows and doors are now being sensitized to suspicious movements: they can detect whether and how quickly something is moving. If it ...
Mar 17, 2009 |
5 / 5 (1) |
0
