A new start after 60: I’d had several careers but no degree – then I became a palaeontologist at 62

In search of a new adventure, Craig Munns went back to school. Now, at 65, he spends his days examining long-vanished life forms ...
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How special is the sun? Is it special enough to explain the Fermi paradox?

If the Sun were very different, we wouldn’t be here. A shorter-lived star wouldn't provide the opportunity for humanity to develop, a star that was more erratic would regularly fry us, and stars in ...