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Lifespan and Fecundity Impacts of Reduced Insulin Signalling Can Be Directed by Mito-Nuclear Epistasis in Drosophila

3 months 1 week ago
The changing demography of human populations has motivated a search for interventions that promote healthy ageing, and especially for evolutionarily-conserved mechanisms that can be studied in lab systems to generate hypotheses about function in humans. Reduced Insulin/IGF signalling (IIS) is a leading example, which can extend healthy lifespan in a range of animals, but whether benefits and costs of reduced IIS vary genetically within species is under-studied. This information is critical for...
Rita Ibrahim

Mechanisms to medicines: navigating drug repurposing strategies in Alzheimer's disease

3 months 1 week ago
Alzheimer's disease (AD) represents a continuously advancing neurodegenerative condition distinguished by the unremitting deterioration of cognitive abilities and memory impairment, which significantly hampers daily functioning of life. In the absence of disease modifying treatments, it continues to pose a significant global challenge. Though symptomatic treatment exists, the inherent complexity involved with AD pathogenesis related to Aβ plaques, neurofibrillary tangles, neuroinflammation,...
Sara Akhtar Khan

Gapless pangenome analyses reveal fast Brassica rapa subspeciation

3 months 1 week ago
Science, Volume 391, Issue 6785, February 2026.
Wei Ma, Yuanming Liu, Xiaochun Wei, Xiaomeng Zhang, Xiaonan Li, Zhaokun Liu, Lingyun Yuan, Guangguang Li, Shu Zhang, Qihang Yang, Xiaocong Chang, Zizhuo Han, Hao Liang, Zhaoshui Luan, Qianyun Wang, Yujie Gu, Xinlong Wang, Xianlei Zhao, Qing Liu, Xiaoxue…

Why methane surged in the atmosphere during the early 2020s

3 months 1 week ago
Science, Volume 391, Issue 6785, February 2026.
P. Ciais, Y. Zhu, Y. Cai, X. Lan, S. E. Michel, B. Zheng, Y. Zhao, D. A. Hauglustaine, X. Lin, Y. Zhang, S. Sun, X. Tian, M. Zhao, Y. Wang, J. Chang, X. Dou, Z. Liu, R. Andrew, C. A. Quinn, B. Poulter, Z. Ouyang, W. Yuan, K. Yuan, Q. Zhu, F. Li, N. Pan,…

DNA origami vaccines program antigen-focused germinal centers

3 months 1 week ago
Science, Volume 391, Issue 6785, February 2026.
Anna Romanov, Grant A. Knappe, Larance Ronsard, Christopher A. Cottrell, Yiming J. Zhang, Heikyung Suh, Lauren Duhamel, Marjan Omer, Asheley P. Chapman, Katie Spivakovsky, Patrick Skog, Claudia T. Flynn, Jeong Hyun Lee, Oleksandr Kalyuzhniy, Alessia…