Ultraviolet lys: Forskelle mellem versioner

Nogle få [[pattedyr]] - visse nektardrikkende [[flagermus]] - kan se UVA-lys, hvilket gør dem i stand til at finde [[blomst]]er om natten<ref>[http://www.sciencedaily.com/releases/2003/10/031017073642.htm October 17, 2003, ScienceDaily: Bats Scan The Rainforest With UV-Eyes] Citat: "...[[Flagermus|Bats]] from Central and South American that live on the nectar from flowers can see ultraviolet light...Flower visiting bats seem to need UV-vision, because the [[Blomst|flower]]s they visit in the [[regnskov|rainforest]] are characterised by a strong reflection of UV-spectrum light at night. It remains open whether the unusually high UV-sensitivity found in these bats involves a further photo-mechanism that is as yet unknown for mammals..."</ref>.

 

===UV-strålingens helbredsvirkninger===