Video: Sun has 'flipped upside down' as new magnetic cycle begins - Science - News - The Independent:
""A reversal of the sun's magnetic field is, literally, a big event," said Nasa’s Dr. Tony Phillips.
"The domain of the sun's magnetic influence (also known as the 'heliosphere') extends billions of kilometers beyond Pluto. Changes to the field's polarity ripple all the way out to the Voyager probes, on the doorstep of interstellar space.""
Too much chemicals in farming - Nearly half the environmental impact of a loaf of bread comes from the "unsustainable use" of fertilisers on wheat crops,researchers said. Synthetic fertil...
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