While humans have three color cones in the retina sensitive to red, green and blue light, birds have a fourth color cone that can detect ultraviolet light. A research team trained wild hummingbirds to ...
While humans have three color cones in the retina sensitive to red, green and blue light, birds have a fourth color cone that can detect ultraviolet light. A research team led by Princeton's Mary ...
From performing intricate surgeries or hitting baseballs that come at us at 100 miles per hour, we humans might think that we have pretty decent vision. But according to a recent study published in ...
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