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Cover of the Nov. 29, 2014 issue
Philae images of comet 67P

FINAL RESTING PLACE  The first two images from the comet’s surface, combined in this mosaic, suggest Philae landed at the base of a cliff. One of the lander’s feet is seen in the foreground.

JASON'S DESTINATION  The myth of Jason and the Argonauts’ quest for the Golden Fleece was based on an actual voyage to a region near the Black Sea where villagers used sheepskins to catch stream-borne gold grains, new evidence suggests. Villages such as the one here still dot the region, and locals continue to use the sheepskin method.

A meteorite sample

MINERAL MONIKER  Part of this sample of a meteorite that crashed into Australia 135 years ago contains the newly christened mineral bridgmanite. The mineral makes up 38 percent of Earth’s volume.

Microscope image of a Blu-ray Disc

LIGHT-FETCHING PATTERN  Bumps and pits that encode data on a Blu-ray Disc, seen here in a false-color microscope image, can be imprinted on solar cells to improve light absorption, a new study shows.



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