Climate
- 			 Particle Physics Particle PhysicsReaders puzzled by proton’s propertiesReaders sent feedback on under-ice greenhouses in the Arctic, the Martian atmosphere and more. 
- 			 Climate ClimateHigher temperatures could trigger an uptick in damselfly cannibalismExperiments in the lab suggest that increases in temperature could indirectly lead to an increase in cannibalistic damselfly nymphs. 
- 			 Earth EarthStunning images reveal glacial landscapes under the oceansThe most detailed atlas of the seafloor ever compiled offers colorful imagery and ghostly glimpses of Earth’s glacial past. By Beth Geiger
- 			 Earth EarthIce particles shaped like lollipops fall from cloudsSmall ice particles called ice-lollies, because of their lollipop-like appearance, can form in clouds. 
- 			 Animals AnimalsSea creatures’ sticky ‘mucus houses’ catch ocean carbon really fastA new deepwater laser tool measures the carbon-filtering power of snot nets created by little-known sea animals called giant larvaceans. By Susan Milius
- 			 Earth EarthCrack in Antarctica’s Larsen C ice shelf forksAn 180-kilometer-long rift in Antarctica’s Larsen C ice shelf has forked into two branches, new satellite observations show. 
- 			 Earth EarthCrack in Antarctica’s Larsen C ice shelf forksAn 180-kilometer-long rift in Antarctica’s Larsen C ice shelf has forked into two branches, new satellite observations show. 
- 			 Climate ClimateRadical idea could restore ice in the Arctic OceanWindmill-powered pumps on buoys throughout the Arctic Ocean could help bring back shrinking sea ice, researchers say. By Sid Perkins
- 			 Climate ClimateLakes worldwide feel the heat from climate changeLakes worldwide are warming with consequences for every part of the food web, from algae, to walleye, to freshwater seals. 
- 			 Climate ClimateOcean acidification may hamper food web’s nitrogen-fixing heroesA new look at marine Trichodesmium microbes suggests trouble for nitrogen fixation in an acidifying ocean. By Susan Milius
- 			 Climate ClimatePlot twist in methane mystery blames chemistry, not emissions, for recent riseThe recent rise in atmospheric methane concentrations may have been caused by changes in atmospheric chemistry, not increased emissions from human activities, two new studies suggest. 
- 			 Earth Earth‘River piracy’ on a high glacier lets one waterway rob anotherThe melting of one of Canada’s largest glaciers has rerouted meltwater from one stream into another in an instance of river piracy.