The best science and technology pictures of the week

News imageA golden mantella frog at Chester Zoo, Chester, is implanted with a fluorescent silicone gel on its leg, which allows keepers to identify individuals in their group (PA Wire)
A golden mantella frog at Chester Zoo, Chester, is implanted with a fluorescent silicone gel on its leg, which allows keepers to identify individuals in their group (PA Wire)

The most stunning images from science and technology this week, from slingshot drones to lab-grown bones.

More stunning image galleries:

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