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The Sahara Desert Used To Be a Green Savannah and New Research Explains Why

We identified why North Africa greened approximately every 21,000 years over the past eight million years. It was caused by changes in the Earth’s orbital precession – the slight wobbling of the planet while rotating. This moves the Northern Hemisphere closer to the sun during the summer months. from The Wire Science https://ift.tt/0jPJlBH

Can ChatGPT Play a Productive Role in Science Education?

Hong Kong: It has been nearly a year since ChatGPT exploded into the public consciousness, sparking in equal measure excitement and anxiety about the rise of artificial intelligence (AI).  This is precisely why for most people, AI refers only to large language models like ChatGPT. But even before such models were accessible to the public, AI… from The Wire Science https://ift.tt/EPmq8VQ