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Stumped by bed nets, mosquitoes turn midnight snack into breakfast

One of the most effective methods for the control of spread of malaria is the use of bed nets infused with insecticides. Most species of mosquitoes (the Anopheles genus) that carry the malarial parasite ( Plasmodium falciparum ) are considered to be strictly nocturnal - they are active only during the night.Thus, sleeping under the net provides protection against getting bitten by the insect vectors of the disease...

October 3, 2012 — Bora Zivkovic
Observations

Super-Toxic Snake Venom Could Yield New Painkillers

A bite from the black mamba snake ( Dendroaspis polylepis ) can kill an adult human within 20 minutes. But mixed in with that toxic venom is a new natural class of compound that could be used to help develop new painkillers.Named "mambalgins," these peptides block acute and inflammatory pain in mice as well as morphine does, according to a new study.Researchers, led by Sylvie Diochot, of the Institute of Molecular and Cellular Pharmacology at Nice University, Sophia Antipolis in France, purified the peptides from the venom and profiled the compounds' structure...

October 3, 2012 — Katherine Harmon

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