Image of a rat in the New York City subway By m01229 from USA, from Wikimedia commons
News out of Flagstaff, Arizona reports that a biotechnology company in the area, SenesTech, has developed a birth control for rats that was recently cleared by the Environmental Protection Agency. The new drug comes in the form of a sweetened liquid bait that has been shown to reduce rodent populations by as much as 40%. It works in female rats by inducing loss of eggs whereas in male rats it disrupts development of sperm.
The drug is also being tested in other feral animals such as dogs, cats, and mice.
While these findings are very exciting to those interested in controlling animal populations, it will be important for the company to ensure that the drug is formulated to prevent harm to any non-target species.
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This is a guest post by Martina Mustroph, one of Greta's top student writers for Spring 2007
Teens who routinely exercise (especially in organized activities like team sports
Almost everyone tries to lose weight at some point, but we are remarkably bad at it; most people quickly return to their original weight after cessation of exercise or resumption of a normal diet.
Baby rats, only 5 days old and still very much reliant on their mothers for food, can be artificially dehydrated by injecting them with a saline hypertonic solution. If a source of water is placed very close to the rat's snout, it will drink.