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RFK Jr slings accusations and defends public-health upheaval at fiery hearing

jeudi 4 septembre 2025 par Max Kozlov, Mariana Lenharo

Nature, Published online: 04 September 2025; doi:10.1038/d41586-025-02845-8Senators from both parties expressed scepticism about the US health secretary’s statements on COVID-19 vaccines and more.

Nature

Air pollution directly linked to increased dementia risk

jeudi 4 septembre 2025 par Rachel Fieldhouse

Nature, Published online: 04 September 2025; doi:10.1038/d41586-025-02844-9Long-term exposure accelerates the development of Lewy body dementia and Parkinson’s disease with dementia in people who are predisposed to the conditions.

Nature

Changing tides ushered in the world’s first civilization

jeudi 4 septembre 2025

Nature, Published online: 04 September 2025; doi:10.1038/d41586-025-02837-8Construction of tidal irrigation systems helped to drive the formation of city states some 5,000 years ago.

Nature

Inside a mosquito factory

jeudi 4 septembre 2025 par Adam Levy, Mariana Lenharo

Nature, Published online: 04 September 2025; doi:10.1038/d41586-025-02806-1Brazilian site could produce one kilo of mosquito eggs per week.

Nature

Will a child survive? Older siblings have a powerful influence

jeudi 4 septembre 2025

Nature, Published online: 04 September 2025; doi:10.1038/d41586-025-02836-9Swiss birth data from 1750 to 1870 reveal that girls who had lots of older brothers close to their own age were less likely to survive than were those who did (...)

Nature

‘Almost unimaginable’: these ants are different species but share a mother

mercredi 3 septembre 2025 par Max Kozlov

Nature, Published online: 03 September 2025; doi:10.1038/d41586-025-02807-0Ant queens of one species clone ants of another to create hybrid workers that do their bidding.

Nature

Ultra-processed foods — it’s time for an improved definition

mercredi 3 septembre 2025

Nature, Published online: 03 September 2025; doi:10.1038/d41586-025-02750-0The worst excesses of industrial food production must be reined in, while ensuring people have access to adequate calories.

Nature

Seismic detection of a 600-km solid inner core in Mars

mercredi 3 septembre 2025 par Huixing Bi, Daoyuan Sun, Ningyu Sun, Zhu Mao, Mingwei Dai, Douglas Hemingway

Nature, Published online: 03 September 2025; doi:10.1038/s41586-025-09361-9An analysis of seismic data acquired by the InSight mission demonstrates that Mars has a 600-km solid inner core.

Nature

Ancient DNA connects large-scale migration with the spread of Slavs

mercredi 3 septembre 2025 par Joscha Gretzinger, Felix Biermann, Hellen Mager, Benedict King, Denisa Zlámalová, Luca Traverso, Guido A. Gnecchi Ruscone, Sanni Peltola, Elina Salmela, Gunnar U. Neumann, Rita Radzeviciute, Pavlína Ingrová, Rados?aw Liwoch, Iwona Wronka, Radomir Juri?, Anna Hyrcha?a, Barbara Niezabitowska-Wi?niewska, Bart?omiej Bartecki, Beata Borowska, Tomasz Dzie?kowski, Marcin Wo?oszyn, Micha? Wojenka, Jaros?aw Wilczy?ski, Ma?gorzata Kot, Eric Müller, Jörg Orschiedt, Gunita Zari?a, Päivi Onkamo, Falko Daim, Arnold Muhl, Ralf Schwarz, Marek Majer, Michael McCormick, Jan Kv?tina, Tivadar Vida, Patrick J. Geary, Ji?í Machá?ek, Mario Šlaus, Harald Meller, Walter Pohl, Zuzana Hofmanová, Johannes Krause

Nature, Published online: 03 September 2025; doi:10.1038/s41586-025-09437-6Analyses of ancient human DNA show that cultural and political transformations in Central Europe during the second half of the first millennium ce were associated with movements of Slavic populations into Germany, Poland (...)

Nature

Rewiring of cortical glucose metabolism fuels human brain cancer growth

mercredi 3 septembre 2025 par Andrew J. Scott, Anjali Mittal, Baharan Meghdadi, Alexandra O’Brien, Justine Bailleul, Palavalasa Sravya, Abhinav Achreja, Weihua Zhou, Jie Xu, Angelica Lin, Kari Wilder-Romans, Ningning Liang, Ayesha U. Kothari, Navyateja Korimerla, Donna M. Edwards, Zhe Wu, Jiane Feng, Sophia Su, Li Zhang, Peter Sajjakulnukit, Anthony C. Andren, Junyoung O. Park, Johanna ten Hoeve, Vijay Tarnal, Kimberly A. Redic, Nathan R. Qi, Joshua L. Fischer, Ethan Yang, Michael S. Regan, Sylwia A. Stopka, Gerard Baquer, Krithika Suresh, Jann N. Sarkaria, Theodore S. Lawrence, Sriram Venneti, Nathalie Y. R. Agar, Erina Vlashi, Costas A. Lyssiotis, Wajd N. Al-Holou, Deepak Nagrath, Daniel R. Wahl

Nature, Published online: 03 September 2025; doi:10.1038/s41586-025-09460-7The cortex fuels essential physiological processes with glucose-derived carbon, while gliomas fuel their aggressiveness by rerouting glucose carbon pathways and scavenging alternative carbon sources such as environmental (...)

Nature