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Scientists should carefully consider whether embryo models based on human stem cells are essential to their work because of the associated practical and ethical challenges.
Incoherent new climate-policy messages by Prime Minister Rishi Sunak will dissolve the UK’s climate leadership, stifle innovation’s momentum and cost consumers.
In organisms with X and Y chromosomes, gene expression must be equalized between the sexes. A protein that causes upregulation of gene expression of the X chromosome in male mosquitoes has been discovered.