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40,086 articles from Guardian Unlimited Science
SATURDAY 23. NOVEMBER 2013
FRIDAY 22. NOVEMBER 2013
Plantwatch: Falling leaves, hardy survivors and edible treats
The countryside is looking very different after this week's bitter winds sent leaves falling and trees are looking much more ragged. Some trees are completely bare, especially horse chestnuts, but others hang on to their leaves longer and are now changing colour – oaks have splashes of brown or yellow amongst green leaves, the green is fading on ash leaves, and when the sun shines on beech trees...
Letters: Don't shoot the messenger on climate change
While preaching to others to be accurate, John Abraham is himself inaccurate in his critique of me (Global warming and business reporting – can business news organizations achieve less than zero?, 18 November, theguardian.com). In correcting one mistake he made – by changing 3.6C to 3.6F – you only exacerbate the problem. Far from it being "unbelievable" that up to 3.6F of warming will be...
Virgin Galactic to accept Bitcoin for space flights
Richard Branson says: 'All of our astronauts are pioneers … and this is one more way to be forward-thinking'Amanda...
The wisest minds of our time: Guardian readers share their picks | Kayla Epstein
Kayla Epstein: 'Normally I don't go in for Hindu gurus, but she's got it going on:' our readers single out the greatest minds of the 21st centuryKayla...
Small is beautiful – nanotechnology in pictures
This month's collection of images from the world of nanotechnology includes a scanning tunnelling microscope, peptide fibres, zinc oxide nanorods and magnesium sulphate crystalsRachael...
Next stop: large carnivores of the Late Cretaceous, all change please
Discovery of the new dinosaur Siats supports the idea that different groups of carnivorous dinosaurs dominated different erasDr Dave...