The most impressive images this week from the worlds of science and technology, including a magnified zebrafish embryo and some rather cheeky robots.
More galleries Aurora mission and frozen falls
A Nasa rocket is launched into an aurora over the Alaskan village of Venetie. The rocket’s mission was to investigate “curls” – patterns showing magnetic activity. (Nasa/Reuters)
Leopard escape and London time travel
George Davison Reid’s 1930 view of Tower Bridge is merged with a modern scene as part of an exhibit at the Museum of London. (GD Reid/Museum of London)
Iced-up airliners and a violent Sun
An airport worker sprays de-icing liquid onto a Boeing 737m, as China shivers during snowy winter weather. (Reuters)
Dancing F-16s and a view of the Universe
Two F-16s of the Singaporean Air Force display team the Black Knights, captured during a performance at the Singapore Airshow. (AP)
A rocket’s slow crawl and a spectacular volcano
A Russian Soyuz-U booster carrying an unmanned cargo spacecraft Progress M-22M heads to the launchpad at Baikonur, Kazakhstan. (AFP/Getty Images)
A lion's check up and a brain sculpture
A Kenya Wildlife Service team take measurements of a male lion’s teeth while they prepare to fit the animal with a GPS tracking collar in Nairobi National Park. (AP)
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