Single Insecticide Application Can Kill Three Cockroach Generations
00:47 24-06-2008; source: www.sciencedaily.com
One dose of an insecticide can kill three generations of cockroaches as they feed off of each other and transfer the poison, according to entomologists who tested the effectiveness of a specific gel bait.
Life On The Edge: To Disperse, Or Become Extinct?
21:47 23-06-2008; source: www.sciencedaily.com
The hardiest plants and those most likely to survive the climatic shifts brought about by global warming are now easier to identify. Plants existing at the edges of their natural habitats may enhance survival of the species during global warming.
Dry Tortugas Show Positive Trends: Protected Area Slowly Rebounding
21:47 23-06-2008; source: www.sciencedaily.com
Thirty-eight research divers recently completed a successful 20-day biennial census to measure how the protected status of the Florida Keys National Marine Sanctuary's Tortugas Ecological Reserve and Dry Tortugas National Park's Research Natural Area are helping the regional ecosystem rebound from decades of overfishing and environmental changes.
Primate's Scent Speaks Volumes About Who He Is
21:47 23-06-2008; source: www.sciencedaily.com
Perhaps judging a man by his cologne isn't as superficial as it seems. Researchers, using sophisticated machinery to analyze hundreds of chemical components in a ringtailed lemur's distinctive scent, have found that individual males are not only advertising their fitness for fatherhood, but also a bit about their family tree as well.
Newly Approved Ocular Safety Methods Reduce Animal Testing
21:47 23-06-2008; source: www.sciencedaily.com
Two new methods can reduce live animal use for ocular safety testing. The two alternative test methods, the bovine corneal opacity and permeability (BCOP) assay and the isolated chicken eye (ICE) assay, do not involve the use of live animals. These are the first scientifically valid alternative methods to gain regulatory acceptance for ocular safety testing.
When Threatened, A Few African Frogs Can Morph Toes Into Claws
21:47 23-06-2008; source: www.sciencedaily.com
Some African frogs carry concealed weapons: when threatened, these species puncture their own skin with sharp bones in their toes, using the bones as claws capable of wounding predators. At least 11 species kick at predators with sharp, protruding bones as a defense mechanism.
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