SCIENCE
Chemists hunt for skeletal editing keys
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An intrepid traveller would now be hard-pressed to traverse the African continent at its widest point, passing from the Red Sea to near the Atlantic, while staying within a country that is not being torn apart by a civil war or recovering from one, has not suffered a military coup since 2021, or is not a failed state occupied by a toxic mix of rapacious politicians, militia and Russian mercenaries.
The traveller’s route would take them from the northern Ethiopian region of Tigray, at
