Dragonflies and damselflies are animals that may appear gentle but are, in fact, ancient hunters. The closely related insects shared an ancestor over 250 million years ago—long before dinosaurs—and provide a glimpse into ...
Plants & Animals
Jan 16, 2020
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60
Most animals need to move, whether this is to seek out food, shelter or a mate. New research has shown that movement doesn't always break camouflage and if an animal needs to move, animals that are unpatterned and use short, ...
Plants & Animals
Jan 15, 2020
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31
Columbia scientists have identified a brain circuit that drives fruit flies' ability to see in color—and found that it bears a striking resemblance to the circuitry behind our own capacity for color vision. These findings ...
Molecular & Computational biology
Jan 9, 2020
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102
Vision is a crucial sense for most animals, and vertebrates have evolved a highly adaptable set of opsin genes that generate light-sensitive pigments to decode the retinal image. These opsins include a rod opsin to help see ...
Plants & Animals
Jan 9, 2020
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179
Researchers at the University of New Hampshire have reported the first structural model for a key enzyme, and its activating protein, that can play a role in some genetically inherited eye diseases like retinitis pigmentosa ...
Biochemistry
Jan 8, 2020
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240
Extremely acute vision and the ability to rapidly process different visual impressions—these two factors are crucial when a peregrine falcon bears down on its prey at a speed that easily matches that of a Formula 1 racing ...
Plants & Animals
Dec 20, 2019
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39
A newly discovered retinal structure in the eyes of certain kinds of songbirds might help the animals find and track insect prey more easily.
Plants & Animals
Dec 17, 2019
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70
Convergent origins of new mechanisms to supply oxygen to the retina were directly linked to concurrent enhancements in the functional anatomy of the eye.
Evolution
Dec 10, 2019
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148
Canadian scientists are working on a new way to measure the mechanics of the human eye to better identify astronauts at risk of developing ocular damage before they go into space. Collaborating with the Canadian Space Agency ...
Space Exploration
Dec 2, 2019
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11
A study from McMaster University has shown that traditional ways of learning anatomy remain superior to those that rely on digital media.
Education
Nov 20, 2019
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