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Observations reveal that a particular planetary nebula — the ejected envelope of an old star — is unusually enriched in rare carbon, nitrogen and oxygen isotopes. The finding could help to explain the origins of these isotopes.
Evolved iron-containing enzymes based on cytochrome P450 achieve selective intermolecular alkylation of sp3 C–H bonds through a carbene C–H insertion strategy.
Grim reading in the Altmetric top ten. Plus: the world's oldest-known wild bird lays another egg and seven steps to boost your research career in 2019.
In seafarers’ journals, Huw Lewis-Jones found a rich record of discoveries made in cramped cabins, on open decks and on forays to shore to bring back proofs of marvels.
If you’re looking to move labs, countries or sectors this year, or seeking general career inspiration, here’s some advice from five researchers who featured in Nature Careers in 2018.