News tagged with blue light

A safe and effective way to whiten teeth

In the age of Instagram and Snapchat, everyone wants to have perfect pearly whites. To get a brighter smile, consumers can opt for over the counter teeth-whitening treatments or a trip to the dentist to have their teeth bleached ...

dateJul 18, 2018 in Bio & Medicine
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German nights get brighter—but not everywhere

Nights in the German federal states (Bundesländer) have been getting increasingly bright—but not everywhere at the same rate, and with one peculiar exemption: Light emissions from Thuringia decreased between 2012 and 2017. ...

dateFeb 26, 2018 in Ecology
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Intoxicatingly light-sensitive

ETH chemists have synthesised several variants of THC, the active ingredient in cannabis. Its structure can be altered with light, and the researchers have used this to create a new tool that can be used to more effectively ...

dateJan 11, 2018 in Biochemistry
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