Viruses—lots of them—are falling from the sky

An astonishing number of viruses are circulating around the Earth's atmosphere – and falling from it – according to new research from scientists in Canada, Spain and the U.S.

UN scientists say ozone layer depletion has stopped

The protective ozone layer in the earth's upper atmosphere has stopped thinning and should largely be restored by mid century thanks to a ban on harmful chemicals, UN scientists said on Thursday.

Volcanic glass spray shows promise in controlling mosquitoes

An indoor residual spray made by combining a type of volcanic glass with water showed effective control of mosquitoes that carry malaria, according to a new study. The findings could be useful in reducing disease-carrying ...

Nano-sensor detects pesticides on fruit in minutes

Researchers at Karolinska Institutet in Sweden have developed a tiny sensor for detecting pesticides on fruit in just a few minutes. The technique, described as a proof-of-concept in a paper in the journal Advanced Science, ...

Graffiti-free historic buildings: New polymer coating to help

(PhysOrg.com) -- Many a historic landmark is defaced with graffiti, but the spray paint can only be removed - if at all - using caustic solutions which risk damaging the underlying surface. A new breathable coating provides ...

High levels of PFAS found in anti-fogging sprays and cloths

The anti-fogging sprays and cloths many people use to prevent condensation on their eyeglasses when wearing a mask or face shield may contain high levels of per- and polyfluorinated alkyl substances (PFAS), a new Duke University-led ...

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