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Advertisement View all journals Search Log in Explore content About the journal Publish with us Subscribe Sign up for alerts RSS feed Skyrocketing mpox outbreak in Sierra Leone raises fears of wider spread

Boom in infections in the West African nation is driven by the same viral strain that caused a global outbreak in 2022. Featured Content ‘Integrity index’ flags universities with high retraction rates

A score based on indicators related to research quality could help to prevent institutions gaming the metrics that feed into conventional rankings. Miryam Naddaf News 06 Jun 2025 Anti-ageing effects of popular supplement taurine challenged

Massive study finds limited connection between ageing and taurine levels in people, monkeys and mice. Humberto Basilio News 05 Jun 2025 Maternal iron deficiency causes male-to-female sex reversal in mouse embryos

Iron-deficient conditions in pregnant mice can cause XY mouse embryos to develop female rather than male genitalia, revealing that iron metabolism has a role in determining male sex in mice. Naoki Okashita Ryo Maeda Makoto Tachibana Article 04 Jun 2025 Daily briefing: Travel bans, revoked visas and yet more funding cuts — the latest in Trump’s attack on science

The Trump administration’s latest policies hit science hard. Plus, Chinese temples provide refuge for endangered trees and mice embryos with XY chromosomes can grow ovaries if their mother is iron-deficient. Jacob Smith Nature Briefing 05 Jun 2025 Contents Subscribe Current Issue 05 Jun 2025 Advertisement News & Comment What puzzles people, past and present: Books in brief

Andrew Robinson reviews five of the best science picks. Andrew Robinson Book Review 06 Jun 2025 ‘Integrity index’ flags universities with high retraction rates Miryam Naddaf News 06 Jun 2025 Skyrocketing mpox outbreak in Sierra Leone raises fears of wider spread Max Kozlov News 06 Jun 2025 Japanese spacecraft has probably crash-landed on Moon — again Rachel Fieldhouse News 06 Jun 2025 Africa has a new space agency: here's what it will do Elizabeth Gibney News 06 Jun 2025 How Trump’s budget cuts could derail global science collaborations Elizabeth Gibney News 06 Jun 2025 Thousands of endangered trees preserved for centuries inside Chinese temples Katie Kavanagh News 05 Jun 2025 Latest Reviews & Analysis Clustering pattern of dwarf galaxies not predicted by models of cosmic structure formation

A surprising pattern of spatial distribution was discovered in dwarf galaxies, whereby diffuse ones cluster more strongly than do compact ones — opposite to the trend seen in massive galaxies. This finding challenges standard models of the formation of galactic structures, calling for theories about the assembly of visible- and dark-matter structures to be revised. Research Briefing 04 Jun 2025 Iron deficiency in pregnant mice causes XY embryos to develop with female characteristics

In mice, a lack of maternal iron impairs an iron-dependent enzyme that activates the male sex-determining gene, causing some XY embryos to develop ovaries. Shannon Dupont Blanche Capel News & Views 04 Jun 2025 Simulation of matter–antimatter creation on quantum platforms

Two-dimensional quantum platforms have simulated a process in particle physics called string breaking that generates matter–antimatter pairs. Michele Burrello News & Views 04 Jun 2025 Ancient carbon released through modern rivers

A global analysis reveals that most carbon dioxide emitted by rivers derives not from modern plant material, as was thought, but from ancient, buried carbon. Li Li News & Views 04 Jun 2025 Sticky membranes of dead red blood cells obstruct small vessels

Damage to the vascular lining leads to interactions with red blood cells that hint at how to treat dangerous complications of heart attack, stroke and COVID-19. Elizabeth Iffrig Wilbur A. Lam News & Views 04 Jun 2025 Y-chromosome loss in cancer and immune cells might worsen treatment outcomes Nicholas McGranahan Rahul Roychoudhuri News & Views 04 Jun 2025 Making robust integrated photonic qubits Research Briefing 04 Jun 2025 Should there be a national holiday in honour of chemists? News & Views 03 Jun 2025 Underwater kelp forests are losing a turf war Holly Smith News & Views 30 May 2025 Latest Research articles Milli-spinner thrombectomy

The milli-spinner thrombectomy facilitates fast, complete clot removal by using spinning-induced compression and shear forces to mechanically modify the clot microstructure through densifying the fibrin network and releasing red blood cells, thus reducing clot volume. Yilong Chang Shuai Wu Ruike Renee Zhao Article 04 Jun 2025 Molecular gradients shape synaptic specificity of a visuomotor transformation

Gradients of cell recognition molecules wire a sensorimotor interface in Drosophila. Mark Dombrovski Yixin Zang S. Lawrence Zipursky Article Open Access 04 Jun 2025 A multidimensional distributional map of future reward in dopamine neurons

An algorithm called time–magnitude reinforcement learning (TMRL) extends distributional reinforcement learning to take account of reward time and magnitude, and behavioural and neurophysiological experiments in mice suggest that midbrain dopamine neurons use TMRL-like computations. Margarida Sousa Pawel Bujalski Joseph J. Paton Article 04 Jun 2025 Integrated photonic source of Gottesman–Kitaev–Preskill qubits

An ultra-low-loss integrated photonic chip fabricated on a customized multilayer silicon nitride 300-mm wafer platform, coupled over fibre with high-efficiency photon number resolving detectors, is used to generate Gottesman–Kitaev–Preskill qubit states. M. V. Larsen J. E. Bourassa D. H. Mahler Article Open Access 04 Jun 2025 Maternal iron deficiency causes male-to-female sex reversal in mouse embryos

Iron-deficient conditions in pregnant mice can cause XY mouse embryos to develop female rather than male genitalia, revealing that iron metabolism has a role in determining male sex in mice. Naoki Okashita Ryo Maeda Makoto Tachibana Article 04 Jun 2025 Collections How Trump 2.0 is reshaping science Since US President Donald Trump took office in January 2025, his team has made major changes to the federal government that have disrupted research and research institutions in the United States and beyond. Collection 26 Feb 2025

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