Living in the guts of worms are seemingly innocuous bacteria that contribute to their survival. With a flip of a switch, however, these same bacteria transform from harmless microbes into deadly insecticides.
Cell & Microbiology
Jul 5, 2012
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Environmental change is the selective force that preserves adaptive traits in organisms and is a primary driver of evolution. However, it is less well known that evolutionary change in organisms also trigger fundamental changes ...
Evolution
May 23, 2012
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A one-inch long grasshopper can leap a distance of about 20 inches. Cicadas can produce sound at about the same frequency as radio waves. Fleas measuring only millimeters can jump an astonishing 100 times their height in ...
Other
Apr 25, 2012
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When battling an epidemic of a deadly parasite, less resistance can sometimes be better than more, a new study suggests.
Ecology
Mar 29, 2012
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(PhysOrg.com) -- Boston Dynamics’ video gallery of troop-supporting robots that trek and haul loads has a new addition that is drawing a sea of impressed viewers. It’s the Sand Flea Robot, an eleven-pound wonder ...
In the absence of eyes, the fresh water polyp, Hydra magnipapillata, nevertheless reacts to light. They are diurnal, hunting during the day, and are known to move, looping end over end, or contract, in response to light. ...
Plants & Animals
Mar 4, 2012
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Freshwater ecosystems in northern regions are home to significantly more species of water fleas than traditionally thought, adding to evidence that regions with vanishing waters contain unique animal life.
Ecology
Mar 2, 2012
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In the Jurassic era, even the flea was a beast, compared to its minuscule modern descendants. These pesky bloodsuckers were nearly an inch long.
Paleontology & Fossils
Feb 29, 2012
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Most fleas collected from rats trapped in downtown Los Angeles, California carried microbes from the genus, Bartonella, many of which are human pathogens, according to a paper in the November Applied and Environmental Microbiology. ...
Cell & Microbiology
Nov 17, 2011
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Biologists worldwide subscribe to the healthy herds hypothesis, the idea that predators can keep packs of prey healthy by removing the weak and the sick. This reduces the chance disease will wipe out the whole herd, but could ...
Ecology
Jun 23, 2011
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