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First independent survey of deaths in Gaza reports more than 80,000 fatalities

It has been difficult to gather reliable estimates of deaths during the war in Gaza.Credit: Abdalhkem Abu Riash/Anadolu via Getty Almost 84,000 people died in

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A cation-exchange approach to tunable magnetic intercalation superlattices

Picozzi, S. Engineering ferromagnetism. Nat. Mater. 3, 349–350 (2004). Article  ADS  CAS  PubMed  Google Scholar  Ohno, H. A window on the future of spintronics. Nat.

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study of 100,000 applicants hints at why

The Matthew effect describes how scientists who win grant funding early in their careers are more likely to have success later on. Credit: malerapaso/Getty Perseverance

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AI slashes time to produce gold-standard medical reviews — but sceptics urge caution

Findings from clinical trials and other studies are summarized in systematic reviews, which guide policy decisions.Credit: Philippe Lopez/AFP via Getty Scientists say they have used

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Mice with human cells developed using ‘game-changing’ technique

Light micrograph of a mouse embryo. Scientists are developing mice with human cells.Credit: Arthur Chien/Science Photo Library Researchers have developed mice with organs containing human

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Some US researchers want to leave the country. Can Europe take them?

In early May, European politicians and university leaders gathered in Paris at Sorbonne University to deliver a message to US researchers affected by cuts made

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Dementia is deadly — the UN needs to take it more seriously

In 2019, I met the health minister of a populous nation. After spending 30 minutes discussing the country’s dementia statistics, the minister politely stopped me mid-sentence

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What puzzles people, past and present: Books in brief

Nature, Published online: 06 June 2025; doi:10.1038/d41586-025-01800-x Andrew Robinson reviews five of the best science picks. Source link

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Iron deficiency in pregnant mice causes XY embryos to develop with female characteristics

Nature, Published online: 04 June 2025; doi:10.1038/d41586-025-01456-7 In mice, a lack of maternal iron impairs an iron-dependent enzyme that activates the male sex-determining gene, causing

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NIH grant cuts will axe clinical trials abroad — and could leave thousands without care

Diseases caused by HIV and drug-resistant tuberculosis could surge globally as a result of research-grant cuts made by the US National Institutes of Health. Credit: