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Geography in the News: Malaria

By Neal Lineback and Mandy Lineback Gritzner, Geography in the NewsTM  Malaria: The Geography of a Debilitating Disease Malaria has been a longtime scourge upon many countries of the world. Malaria was wiped out in the  U.S. South in the 1930′s, confirming epidemiologists’ and the medical community’s belief that this disease could be eradicated in…

8 of Nature’s Thirstiest Bloodsuckers

From insects to mammals to deepwater lurkers to even birds—in the spirit of Halloween, here’s our list of animals out for blood.

Blood Found in Mosquito Fossil: “One of a Kind”

Scientists have discovered blood in a mosquito fossil, a new study says—but don’t get your hopes up for a pet velociraptor.

Top 10 Headlines Today: Mind-Controlled Flight, Dead Fish Have Kids…

The top stories on our radar today: Researchers have flown a robot using only their minds, guppy dads can have offspring even after death, and…

Geography in the News: Dengue Fever Threat Much Greater

By Neal Lineback and Mandy Lineback Gritzner, Geography in the NewsTM and Maps.com DENGUE FEVER Reports of dengue fever were rare in Florida until 2009 when physicians began diagnosing cases around Key West in individuals who had not traveled outside the state. National Public Radio recently reported that, with mosquito season under way in 2011,…

Malaria-transmitting mosquito splitting into two species, researchers find

The war against the No. 1 human killer disease, malaria, may be facing complications from evolution. Researchers funded by the U.S. National Institutes of Health (NIH) have found that the major malaria-transmitting mosquito species, Anopheles gambiae, is evolving into two separate species with different traits, “a development that could both complicate malaria control efforts and…

Does Your B.O. Attract Mosquitoes?

“These mosquitoes really love me! Why aren’t they biting you?” The reason why pests bother you, but not the person sitting next to you—or vice versa—probably comes down to a matter of scent. Years ago, chemical ecologists at Rothamsted Research developed pyrethroid insecticides from a natural lead compound, pyrethrum, which is produced by chrysanthemum flowers.…

Mosquito Invasion Exposes U.S. to Dengue Fever, Study Finds

Two types of mosquitoes capable of transmitting the dengue fever virus are invading Southern and Mid-Atlantic states, creating conditions more favorable for an outbreak, according to a report released today by the Natural Resources Defense Council (NRDC). “Areas of the United States previously inhospitable to the disease now support populations of mosquitoes capable of carrying…

Natural Insect Repellent Found to Be More Effective than DEET

NGS photo by Robert Sisson A natural compound found in the Tauroniro tree (Humiria balsamifera) of South America has been found to deter biting of mosquitoes and to repel ticks, says research presented in the latest issue of Journal of Medical Entomology. Researchers led by Aijun Zhang, of the U.S. Agricultural Service’s Invasive Insect Biocontrol…