In the July 7 SN: The impact hypothesis that won’t die, CAR-T cell therapy upgrades, bad news for Antarctica, a quoll conundrum, honeybees know zero, how volcanoes kill, Jupiter’s polar lightning and more.
WILD WASTE Nitrogen from the guano of seabirds, such as this red-footed booby chick, leaches into coral ecosystems and helps them stay robust.
GOING THE DISTANCE Painted ladies travel 12,000 km each year, farther than any known butterfly migration.
ON THIN ICE Wastewater from oil and gas production is one of the many liquids that towns and cities douse roadways with to keep them ice-free. But contaminants in the water can be released into the environment, a new study finds.