Archive for December 13th, 2016:

Nickel clue to ‘dinosaur killer’ asteroid

Image copyright SPL Image caption Artwork: The asteroid impact removed 75% of all life on the planet Scientists say they have a clue that may enable them to find traces of the asteroid that wiped out the dinosaurs in the very crater it made on impact. This pointer takes the form of a nickel signature

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‘Dead or alive’ cat in physics top 10

Image copyright Science Photo Library Image caption Artwork: The famous paradox imagines a cat that is simultaneously alive and dead The detection of ripples in space-time and a famous cat-based paradox are featured in a list of the physics advances of 2016. The discovery of gravitational waves, announced in February, was declared breakthrough of the

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Spy satellites reveal Himalayan melt

Image copyright US government Image caption The images were taken by the US Hexagon spy satellite programme Scientists have used Cold War spy satellites to reveal the dramatic environmental changes in the Himalayas. They compared pictures collected by a US reconnaissance programme with recent satellite data to measure the extent of glacial melt. They believe

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© Warren Fyfe