Staying indoors might seem a good way to avoid air pollution, but scientists studying the fires in Indonesia have found there is little difference between the air quality in their hotel room and the atmosphere outside. Both levels are high enough to be considered dangerous for human health. To add to the problem, fires continue to burn underground in the peaty soil long after they were started.

In the Arctic ice melt this summer has been particularly severe, however the picture in complicated by climatic conditions. A new mission to the region involving trapping a ship in ice over winter hopes to provide answers.

Nearly 500 million of year ago the earth’s sky was darkened by a massive asteroid explosion, blotting out the sun. New data on this event may provide an insight into contemporary climate change.

Sir Arthur Conan Doyle’s famous fictional detective is renowned for his feats of memory, his observational capacity, tireless energy and an almost supernatural ability to solve the most perplexing crimes from seemingly unconnected facts. But what does science have to say about the matter? We pit fact against fiction with a leading forensic expert, a sleep scientist, and we discover that most humans are able to train their brain to rival the memory capacity of Sherlock Holmes. And who wouldn’t want that?

(Image: Researcher Mark Grovener from Kings College London, measures air quality in Indonesia. Credit Marlin Wooster KCL)

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