Monthly Archives: April 2018

Tracking Aedes mosquito invasions in Panama

According to new research in the journal PLOS ONE by scientists at the Smithsonian Tropical Research Institute (STRI) and Panama's government research institute, INDICASAT, mosquitoes in the genus Aedes, which carry a group of dangerous viruses causing yellow fever, chikungunya and Zika, invaded the crossroads of the Americas multiple times, by land and by sea.

"With...

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Freezing breakthrough offers hope for African wild dogs

James Cook University researchers in Australia have helped develop a new way to save endangered African wild dogs.

Dr Damien Paris and PhD student Dr Femke Van den Berghe from the Gamete and Embryology (GAME) Lab at James Cook University, have successfully developed a sperm freezing technique for the species (Lycaon pictus).

The highly efficient pack hunters...

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The ban of the cave bear

At 3.5 meters long and with a shoulder height of 1.7 meters, the cave bear was one of the giants of the Ice Age. Yet few appear to have survived until the last glacial maximum 24,000 to 19,000 years ago. Researchers from Germany, Italy and Canada have conducted analyses to find out what likely caused...

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Potential explanation for declines in brown bear populations

Animals may fall into what are called evolutionary and ecological traps when they make poor decisions using seemingly reliable environmental cues. For example, animals may select habitats to occupy based on food availability, but mortality may be highest in habitats with the highest food availability. A new Mammal Review article examines how the brown (grizzly)...

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