bilimselkonular science
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Research at the Lund University Vision Group can now show that the color vision of birds stops working considerably earlier in the course of the day than was previously believed, in fact, in the twilight. Birds need between 5 and 20 times as much light as humans to see colors.
It has long been known that [...]
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On a hushed autumn morning, when leaves have ripened to the fall, who hasn’t stood under a flaming maple and wondered why it goes red?
Though Robert Frost might have imagined something more poetic, tree physiologists will tell you the answer is anthocyanin. This is the pigment that leaves produce in autumn, creating the bright displays [...]
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A colon cancer cell isn`t a lost cause. Vitamin D can tame the rogue cell by adjusting everything from its gene expression to its cytoskeleton. In the Nov. 17 issue of the Journal of Cell Biology, Ordóñez-Morán et al. show that one pathway governs the vitamin`s diverse effects. The results help clarify the actions of [...]
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A researcher from the University of Essex has succeeded in inducing the experience of colour in the blind part of a partially sighted patient’s visual field.
Using a magnetic coil to stimulate the patient’s brain, Juha Silvanto demonstrated for the first time that it is possible to experience visual sensations of colour in an area of [...]
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