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Great story: On the unexpected brewing war between astronomers and robot lawnmowers.

Four areas of debate over CRISPR-edited embryos examined by stem cell biologist Paul Knoepfler

How camera film was optimised for white skin colour. A great piece on insidious influences on our technology.

If Dr Doolittle was a surgeon, he’d be Peter Emily. Alex Halperin profiles “The Lion Dentist”.

Sophie Scott’s TED talk on the science of laughter is up, and hilarious. Meanwhile, Sarah Larson talks about how we write laughter.