Sentences with phrase «distinguish by sight»

Because the bees are hard to distinguish by sight, Cunningham's team identified instances of usurpation of one species by the other by assessing the structure of the hives each year when they were opened for honey extraction.

If you had been blind all your life and could suddenly see, could you distinguish by sight what you knew already by touch — say, a cube from a sphere?

Not exact matches

Daniel Otte, the curator of entomologyat the Academy of Natural Sciences in Philadelphia, suggests the RockyMountain locust is not extinct at all but has simply refrained fromswarming in recent times, perhaps because of encroaching agriculture.Otte points out that almost no one can distinguish closely relatedgrasshopper species by sight.

The third installment of Prospect, the New Orleans triennial, follows suit with work by 58 artists on view at 18 venues and is further distinguished by three attributes: Franklin Sirmans serves as artistic director; He curates the show with a decidedly New Orleans lens that doesn't lose sight of the global perspective; And most significantly, there are more Black artists represented at Prospect 3 (more than 20) than at any other American biennial - style gathering in recent memory, perhaps ever.