Earth
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We summarize the week's scientific breakthroughs every Thursday.
- 			 Plants PlantsFlowers’ roles considered in ecosystems and economicsIn ‘The Reason for Flowers’, a pollination ecologist chronicles the science and culture of blossoms from the dawn of humanity. By Sid Perkins
- 			 Climate ClimateBumblebee territory shrinking under climate changeClimate change is shrinking bumblebee habitat as southern territories heat up and bumblebees hold their lines in the north. By Beth Mole
- 			 Earth EarthNatural concrete keeps lid on Italian volcanoNaturally occurring, concretelike rock allows the ground around Italy’s Campi Flegrei caldera to bulge without bursting. 
- 			 Climate ClimateGreenland’s out-of-sync climate explainedSmall variations in the sun’s activity cause big changes in Greenland’s temperatures decades later by altering ocean currents, new research suggests. 
- 			 Climate ClimatePink salmon threatened by freshwater acidificationOcean acidification gets more attention, but freshwater systems are also acidifying. That’s a problem for young salmon, a new study finds. 
- 			 Earth EarthLeap second helps us with the reality of timeA leap second will be inserted at the end of the day on June 30. 
- 			 Life LifeAlison Jolly’s last book chronicles efforts to save lemursIn ‘Thank You, Madagascar,’ primatologist Alison Jolly, who spent decades studying lemurs, provides an insider’s account of the struggles that conservationists face. By Erin Wayman
- 			 Astronomy AstronomySuper-Earths are not a good place for plate tectonicsThe intense pressures inside super-Earths make plate tectonics less likely, new research suggests. 
- 			 Environment EnvironmentOil-munching microbes cleaning up Gulf marshes faster than expectedMicrobes in some of Louisiana’s marshes are breaking down oil from the Deepwater Horizon spill faster than expected. By Beth Mole
- 			 Earth EarthFast-spreading crack threatens giant Antarctic ice shelfA fast-spreading crack threatens Larsen C, one of Antarctica’s biggest ice shelves, satellite data suggest. 
- 			 Agriculture AgricultureMany of Earth’s groundwater basins run deficitsTwenty-one of Earth’s 37 largest groundwater basins are rapidly depleting, satellite data show. 
- 			 Earth EarthDinosaurs may not have seen the Grand Canyon after allNew geologic comparisons peg the Grand Canyon’s inception well after dinosaurs went extinct.