Ultrasexy: bird vision

Article Abstract:

Birds have the ability to see more, richer colors than humans because they have four color receptors instead of three. Two sets of researchers are examining the vision of starlings with and without ultraviolet light to determine how the light affects their behavior and survival.

Physiological aspects, Environmental aspects, Ultraviolet radiation, Birds, Starlings

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Blurred vision: Zeneca

Article Abstract:

Zeneca Ltd's public offering worth $2 billion has not been well received despite being one of the world's biggest drug firms. Financial markets have trouble determining the worth of firms, as the criteria to measure their future value has become too indeterminate.

Economic aspects, Pharmaceutical industry, Finance, Zeneca Ltd.

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Light work: repairing vision

Article Abstract:

Lasers are being used increasingly to correct refractory problems in eyesight caused by poorly shaped corneas. The excimer laser has been proven effective in treating conditions such as myopia, and it awaits approval by the Food and Drug Administration.

Research, Eye, Refractive errors, Lasers in ophthalmology, Ophthalmic lasers

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