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<jats:p>In a primetime speech about the oil spill, President Barack Obama last week called for long-term restoration of wetlands along the Gulf of Mexico and put the secretary of the Navy, Ray Mabus, who was governor of Mississippi from 1988 to 1992, in charge of developing a plan.</jats:p>

<jats:p> The partial skeleton of a large male of <jats:italic>Australopithecus afarensis</jats:italic> , unveiled this week, is nicknamed "Big Man" because it's larger than the famous Lucy skeleton. </jats:p>

<jats:p> Two geologists who have helped manage the survey of Afghanistan's mineral wealth spoke to <jats:italic>Science</jats:italic> last week about the past, present, and future of mineral exploration in the war-torn country. </jats:p>

<jats:p> <jats:italic>Science</jats:italic> Insider reported this week that the U.S. Supreme Court has said that the government shouldn't have banned the planting of genetically modified alfalfa pending completion of an environmental review, among other stories. </jats:p>

<jats:p>Efforts to make an invisibility cloak for shorter-wavelength visible light will never lead to something you can hide in, one team of researchers predicts. The researchers say a cloak for visible light would be so small it could hide only objects almost too tiny to be seen.</jats:p>

<jats:p>Every report that someone has caught sight of a plume in seismic images of Earth's mantle has been greeted by roughly equal portions of support and derision. The latest claim is faring a bit better. The appeal of the new work is that it is rooted directly in data.</jats:p>

<jats:p>A new analysis of 1372 climate scientists who have participated in major climate science reviews or taken public positions on their main conclusions confirms that those who believe in anthropogenic climate change rank, on average, much higher in the scientific pecking order than do those who take issue with the idea.</jats:p>

<jats:p> <jats:italic>Science</jats:italic> NOW reported this week that scientists have scored in ranking soccer stars, there's still no "mammoth killer," a world without flowering plants would be hotter and drier, and chimpanzees kill for land, among other stories. </jats:p>

<jats:p>New technologies have sparked a rush of drilling in the United States, but environmental concerns and economic unknowns could still keep shale gas from becoming a bridge to clean energy.</jats:p>