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Compared With Hummingbirds, People Are Rather Colorblind

Experiments reveal the tiny birds can see “non-spectral” colors that blend ultraviolet light with colors humans can see to create distinct hues we can’t. A male Broad-tailed Hummingbird photographed at the Rocky Mountain Biological Laboratory in Gothic, Colorado, where researchers conducted field experiments …

 

Device uses light to detect bacteria in food, on location

By Ben Coxworth – The technology has successfully been used to detect E. coli bacteria that was added to ground beef.  rbhavana/Depositphotos – If bacterially-tainted food is present in a store or kitchen, then the sooner that authorities know, the better. That’s why scientists …