Why does plastic turn brittle and paint fade when exposed to the sun for long periods? Scientists have long known that such organic photodegradation occurs
HomeScienceVol. 389, No. 6759Caught in the crosshairsBack To Vol. 389, No. 6759 Full accessFeature Share on Caught in the crosshairsRichard StoneAuthors Info & AffiliationsScience31 Jul