Archive for January 29th, 2017:

London’s dirty air: How bad is it?

Image copyright Getty Images Image caption London has suffered a “very high” episode of air pollution thanks to emissions from cars and stoves in cold, windless conditions The cold, calm weather of the past few days has seen London and the South East experience very high levels of air pollution. Emissions from cars and wood

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Human-pig ‘chimera embryos’ detailed

Image copyright Juan Carlos Izpisua Belmonte Image caption The embryos were allowed to develop for 28 days Embryos that are less than 0.001% human – and the rest pig – have been made and analysed by scientists. It is the first proof chimeras – named after the mythical lion-goat-serpent monster – can be made by

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New mercury threat to oceans from climate change

Image copyright Getty Images Image caption There have been concerns over the levels of mercury in fish for many years Rising temperatures could boost mercury levels in fish by up to seven times the current rates, say Swedish researchers. They’ve discovered a new way in which warming increases levels of the toxin in sea creatures.

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© Warren Fyfe