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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
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ScienceShot: Ant 'Gas Gun' Paralyzes Prey
14 December 2011 5:00 pm
Some ants don't fight fair. Scientists have discovered that a common African ant deploys a powerful venom to kill termites—at long range. At the edge of forests in Cameroon, researchers saw gangs of up to 15 ants (Crematogaster striatula) waft a venomous vapor from their stingers at a termite. The ants then watched from a safe distance as the much-larger victim became paralyzed, died, and later dragged back to their nest (seen in picture), the researchers report today in PLoS ONE. The remote-action poison allows the ants to kill prey without exposing themselves to harm. Even the threat of the poison seemed to scare off enemies, including other species of ants, which abandoned drops of honey when confronted with a loaded C. striatula stinger. The researchers hope that once the paralyzing molecule is identified, their discovery will lead to new insecticides effective against pests that shrug off older products.
See more ScienceShots.