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Cells grown on a 3D scaffold have generated a ‘mini-colon’ that mimics key features of the organ. Controlled expression of cancer-associated genes in the system offers a way to examine tumour formation over space and time.
The island nation is expanding its territory by dredging up sediment from the ocean floor. But scientists, former government officials and activists say such reclamation can harm marine ecosystems and make the country more vulnerable to rising seas.
Octocorals probably evolved the ability to make light when the first animals developed eyes. Plus, the WHO has redefined ‘airborne transmission’ and how artificial intelligence is changing weapons of war.
Genetic pedigrees spanning nine generations uncover the social organization of a nomadic empire that dominated much of central and eastern Europe from the sixth to the early ninth century.
A broadly applicable method allows selective, rapid and efficient chemical modification of the side chain of tryptophan amino acids in proteins. This platform enables systematic, proteome-wide identification of tryptophan residues, which can form a bond (called cation–π interaction) with positively charged molecules. Such interactions are key in many biochemical processes, including protein-mediated phase separation.
Observations have revealed a galaxy that stopped forming stars earlier than expected. This discovery offers clues about when the first galaxies emerged and sheds light on how stars formed when the Universe was in its infancy.
Journals, funders and institutions that employ researchers all want to produce or disseminate rigorous scientific knowledge — and all can learn lessons from misconduct cases.
Researchers find that brief and reversible inhibition of a gene-silencing mechanism leads to irreversible tumour formation in fruit flies, challenging the idea that cancer is caused only by permanent changes to DNA.
A parachute-like skin membrane, the patagium, evolved independently in several marsupial species. Genomic analysis suggests that this trait came about through different changes to the regulation of the same gene.
Birds emerge as top suspects for unexplained flower mutilation, and reflections from 1974 mark the 21st anniversary of the discovery of the DNA double helix, in the weekly dip into Nature’s archive.
The United Kingdom is correct to attempt to end the single largest preventable cause of illness and death, as was New Zealand before its government changed its mind.
Our ability to track time is skewed by what we are looking at. Plus, NASA has reestablished clear communication with Voyager 1 and why we aren’t ready for the next big volcano eruption.
Nature’s annual photography competition attracted stunning images from around the world, including two very different shots featuring the Polarstern research vessel.