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Images from Mandy Barker's new book, Photographs of British Algae: Cyanotype imperfections

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Visualising Britain's fashion waste problem with cyanotype photography

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Elizabeth Ruth Belville receives a timekeeping certificate from an official at the Royal Greenwich Observatory, circa 1903. Once Belville has the accuracy of her watch, which she calls 'Arnold', confirmed in this way, her task is to 'take the time' round businesses in the West End and City of London. Belville's work was the means of ensuring standard time in the city before the advent of radio.

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Ruth Belville: How the Greenwich Time Lady kept London ticking

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The ytterbium ion trap at the heart of the National Physical Laboratory's optical clock

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How optical clocks are redefining time and physics

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A story of neurons and evolution

A story of neurons and evolution

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A partial solar eclipse will be visible from London, UK

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Watch the partial solar eclipse from London's Royal Observatory

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Michel Nieva on writing from a mosquito's perspective for Dengue Boy

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Michel Nieva on writing from a mosquito's perspective for Dengue Boy

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VR quantum artwork by Studio Above&Below at Cosmic Titans exhibition

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Can art help scientists better understand the quantum universe?

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Climate experiment predicts how trees may respond to future CO2 levels

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Climate experiment predicts how trees may respond to future CO2 levels

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Andrew Herbert is recreating EDSAC at the National Museum of Computing

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How the EDSAC computer changed science in the 1940s and 50s

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Movie still from Jurassic Park III

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Palaeontologist reviews the most memorable moments in dinosaur movies

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On Wilbourne Farm in Virginia, a carbon-removal experiment is underway

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Basalt, biochar and compost, this farm is a carbon-capture testbed

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Kids play with a giant snowball

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Do world record snowflakes observed in 1887 stand up to science?

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