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Recycling of spin-triplet excitons in organic photovoltaics

mercredi 29 avril 2026 par Qian Li, Lingchen Kong, Le Mei, Shanchao Ouyang, Yiwen Ji, Baobing Fan, Huanhuan Gao, Wei Gao, Feng Qi, Zhiqiang Guan, Nan Zhang, Hin-Lap Yip, Chun-Sing Lee, Dangyuan Lei, Chunfeng Zhang, Sai-Wing Tsang, Xian-Kai Chen, Francis R. Lin, Alex K.-Y. Jen

Nature, Published online: 29 April 2026; doi:10.1038/s41586-026-10419-5Triplet excitons in OPVs can redissociate via the charge-transfer state into free carriers, reducing losses and improving efficiency, enabled by molecular design controlling singlet–triplet energetics through exciton (...)

Nature

Decarboxylative alkylation of alkenes

mercredi 29 avril 2026 par Triptesh Kumar Roy, Federico Maria Tamborini, Roland Petzold, Jianhan Fu, Yiben Tang, Tobias Ritter

Nature, Published online: 29 April 2026; doi:10.1038/s41586-026-10463-1A Pd-catalysed method enables regio- and diastereoselective C–H alkylation of diverse alkenes using carboxylic acids, expanding synthetic access to complex substituted (...)

Nature

Immunity gets a boost from a surprising place — breakfast

mercredi 29 avril 2026 par Nick Petri? Howe, Maren Hunsberger

Nature, Published online: 29 April 2026; doi:10.1038/d41586-026-01406-xEating a meal could lead to T cells springing into action more quickly— plus, 40 years after Chornobyl, how future nuclear calamities can be avoided.

Nature

Reply to: Overestimating outsourced biodiversity loss may misguide policy

mercredi 29 avril 2026 par R. Alex Wiebe, David S. Wilcove

Nature, Published online: 29 April 2026; doi:10.1038/s41586-026-10371-4Reply to: Overestimating outsourced biodiversity loss may misguide policy

Nature

Author Correction: Broadly stable atmospheric CO₂ and CH₄ levels over the past 3 million years

mercredi 29 avril 2026 par Julia Marks-Peterson, Sarah Shackleton, John Higgins, Jeffrey Severinghaus, Yuzhen Yan, Christo Buizert, Michael Kalk, Ross Beaudette, Valens Hishamunda, Demetria Eves, Austin Carter, Andrei Kurbatov, Jenna Epifanio, Jacob Morgan, Ian Nesbitt, Michael Bender, Edward Brook

Nature, Published online: 29 April 2026; doi:10.1038/s41586-026-10600-wAuthor Correction: Broadly stable atmospheric CO2 and CH4 levels over the past 3 million years

Nature

Overestimating outsourced biodiversity loss may misguide policy

mercredi 29 avril 2026 par Dominic A. Martin, R. Ntsiva N. Andriatsitohaina, O. Sarobidy Rakotonarivo, Estelle Raveloaritiana, Annemarie Wurz, Julie G. Zaehringer

Nature, Published online: 29 April 2026; doi:10.1038/s41586-026-10370-5Overestimating outsourced biodiversity loss may misguide policy

Nature

Key US science panels are being axed — and others are becoming less open

mardi 28 avril 2026 par Max Kozlov, Alexandra Witze, Dan Garisto

Nature, Published online: 28 April 2026; doi:10.1038/d41586-026-01301-5A Nature analysis shows that the Trump administration has terminated more than 100 advisory committees to science agencies — and reduced the transparency and independence of those that (...)

Nature

Daily briefing: AI forces us to rethink maths, says Fields medallist

mardi 28 avril 2026 par Flora Graham

Nature, Published online: 28 April 2026; doi:10.1038/d41586-026-01403-0Mathematician Terence Tao discusses the role of AI in his field, we consider the search for a science of acupuncture and we discover that mitochondria can spawn new ‘organelles’ — hinting at how modern cells (...)

Nature

Why both trees and technology are important in the race to mitigate carbon emissions

mardi 28 avril 2026 par Gabrielle Walker

Nature, Published online: 28 April 2026; doi:10.1038/d41586-026-01300-6Different carbon‑removal approaches solve different problems, and pitting these technologies against each other could slow progress.

Nature

First detailed ‘smell maps’ reveal how noses track odours

mardi 28 avril 2026 par Chris Simms

Nature, Published online: 28 April 2026; doi:10.1038/d41586-026-00894-1Detailed maps of smell receptors in the nose overturn textbook models of olfactory receptor organization in mice.

Nature