The best science and technology pictures of the week

The most impressive pictures from the worlds of science and technology this week, including Rosetta’s close encounter with a comet and a menacing volcano.
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A tiny frog and a hitching robot

A world’s-first hologram and outer space veg

Stork silhouette and a four-winged dinosaur

Incredible lightning and a stranded whale


Sci-fi balloons and hungry whales

Robot giraffe and double tornado

Supersonic selfie and eerie rivers

A brooding storm and a Super Earth


Chinese lightning and rocking robots


Blazing skies and moody twisters

Amazing air displays and breathtaking nature







