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Guinea-Bissau suspends US-funded vaccine trial as African scientists question its motives

Guinea-Bissau will implement a universal birth-dose policy for the Hepatitis B vaccine in 2027.Credit: Enrique Lopez-Tapia/Nature Picture Library/Alamy Public-health authorities…

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Baby-to-baby strain transmission shapes the developing gut microbiome

Cohort description and recruitment A total of 134 volunteers comprising babies (4–15 months old at nursery start, median 10 months, 18 male,…

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How do vaccine cutbacks affect public health? Ask Japan

Despite having a strong healthcare system, vaccine hesitancy and mixed messages from government have curtailed some immunization efforts.Credit: Carl Court/Getty…

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A ‘time capsule for cells’ stores the secret experiences of their past

Ribosomes, pictured here, synthesize proteins by translating messenger RNA (mRNA) into amino acid chains. Credit: Christoph Burgstedt/Science Photo Library Researchers…

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Ancient ‘snowball’ Earth had frigidly briny seas

RESEARCH HIGHLIGHT 12 January 2026 Ocean temperatures well below freezing in Earth’s deep-past glacial phases imply some very salty waters.…

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Chinese nuclear fusion reactor pushes plasma past crucial limit: what happens next

The Experimental Advanced Superconducting Tokamak is a nuclear-fusion research reactor in Hefei, China.Credit: Zhang Yazi/China News Service/VCG via Getty Researchers…

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graduates anxious, but optimistic, about the future

Last year, Nature’s careers team spoke to five recent PhD students in North America, Israel and the United Kingdom to…

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Science in 2026: what to expect this year

Nature, Published online: 01 January 2026; doi:10.1038/d41586-025-04114-0 More refined AI models, advancements in human gene editing and the continuing impact…

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Put pressure on publishers to follow best practice — external regulation is the answer

Hospitals, airlines and drug manufacturers are subject to oversight by external regulators, to ensure that consumers receive safe and high-quality…

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Seeding opportunities for Black atmospheric scientists

Vernon Morris (outlined) with alumni from the atmospheric sciences PhD programme he established at Howard University in Washington DC.Credit: Vernon…

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