This story is an update to the Antarctic ozone hole feature in our World of Change series, which documents how Earth changes over months, seasons, and years. The stratospheric ozone layer protects life on Earth by absorbing ultraviolet light, which damages DNA in plants and animals (including humans) and leads to sunburns and skin cancer.
Explanation: Does the blue nebula look like the head of a witch? The nebula is known popularly as the Witch Head Nebula because, it is said, the nebula’s shape resembles a Halloween-style caricature of a witch’s head. Exactly how, though, can be a topic of imaginative speculation. What is clear is that IC 2118 is
Hill, C. H. & Brierley, I. Structural and functional insights into viral programmed ribosomal frameshifting. Annu. Rev. Virol. 10, 217–242 (2023). Article CAS PubMed PubMed Central Google Scholar Caliskan, N., Peske, F. & Rodnina, M. V. Changed in translation: mRNA recoding by −1 programmed ribosomal frameshifting. Trends Biochem. Sci. 40, 265–274 (2015). Article CAS PubMed
Human tissue collection and multiome profiling Patients with suspected GB gave pre-operative consent at Cambridge University Hospitals NHS Foundation Trust, with written informed consent obtained under the Declaration of Helsinki 2000 and ethical approval from the Cambridge Local Research Ethics Committee (REC 18/EE/0172). Tumours were resected under 5-aminolevulinic acid (5-ALA) guidance, sampled at multiple sites
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In 1964, then-Pontiac division president John Z. Delorean (yes, that Delorean, of Back to the Future movie car fame) invented the muscle car category by bolting the big-block V8 engine from the company’s full-size cars into its lighter intermediate-sized chassis to create the legendary Pontiac GTO. Kawasaki has done the same thing for its Jet