Business

Algae bio-curtains: Architects’ radical solution to capture carbon

An alternative to urban trees known as “bio-curtains” is being developed by a team of architects and scientists in London. The curtains use the power of algae to absorb carbon dioxide from the air. The architects EcoLogicStudio created the technology in collaboration with University College London and University of Innsbruck. A smartphone film by digital

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Pound sterling: 5 holiday destinations where a weak pound still goes far

Image copyright Getty Images The timing couldn’t be worse. Just as many of us are preparing to jet off on our much awaited summer holiday break, the pound has taken a further tumble. Tourist exchange rates are based on how the pound trades on international money markets. Lately it hasn’t been good. This week, sterling

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HS2: Costs review ‘ongoing’ amid reported £30bn overrun

Image copyright Getty Images The government has insisted that a review of the cost of a new high-speed railway linking London, Birmingham, Manchester and Leeds is continuing. The assurances come despite the project reportedly needing an extra £30bn. HS2 chairman Allan Cook has written to the Department for Transport to warn that the project will

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YouTube: ‘We don’t take you down the rabbit hole’

Media playback is unsupported on your device Media captionWATCH: “It starts to look like censorship” YouTube has defended its video recommendation algorithms, amid suggestions that the technology serves up increasingly extreme videos. On Thursday, a BBC report explored how YouTube had helped the Flat Earth conspiracy theory spread. But the company’s new managing director for

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