26/03/2015

Eco-friendly method for extracting xylan from birch developed

In his doctoral thesis, researcher Petri Kilpeläinen of the Natural Resources Institute Finland has developed an eco-friendly method for extracting xylan from birch sawdust using pressurised hot water as asolvent.

Using 19th century technology to time travel to the stars

In the late 19th century, astronomers developed the technique of capturing telescopic images of stars and galaxies on glass photographic plates. This allowed them to study the night sky in detail. Over 500,000 glass plate ...

Best view yet of dusty cloud passing galactic center black hole

The best observations so far of the dusty gas cloud G2 confirm that it made its closest approach to the supermassive black hole at the centre of the Milky Way in May 2014 and has survived the experience. The new result from ...

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