Sunscreen May Not Have It Made in the Shade

Benjamin Green, an airman in the South Pacific during World War II, saw firsthand how tropical rays left soldiers with blistering sunburns. So he concocted a red gel thick enough to block the sun’s rays — red veterinary petrolatum, aka “red vet pet” — and distributed it to Army Air Corps members to slather on. […]

It rains sunscreen on this ‘hot Jupiter’ exoplanet

Anyone who can conjure up a way to collect resources from Kepler-13Ab in the far future could become a sunscreen magnate. On the heavenly body, one of the hottest Jupiter-sized exoplanets the mission has ever discovered, titanium oxide falls from the skies. The planet is so close to its host star that, like our moon, […]