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Atomic clocks known as optical clocks are more accurate and stable than current timekeepers. Two quantum-engineering approaches could improve the performance of optical clocks even further and extend their applications.
Martha Bailey says providing free access to birth control for everyone would go a long way towards the creation of a fairer and more equitable society.
An analysis of more than 6 million YouTube videos finds that people around the world make similar facial expressions in similar social contexts. The study brings data science to the debate about the universality of emotion categories.
Precise maps of routine first-dose measles vaccinations show slowing progress around the world between 2010 and 2019, and large gaps in coverage in many places. Many countries are unlikely to achieve global 2020 coverage targets.
An analysis of 16 types of facial expression in thousands of contexts in millions of videos revealed fine-grained patterns in human facial expression that are preserved across the modern world.
Although progress in the coverage of routine measles vaccination in children in low- and middle-income countries was made during 2000–2019, many countries remain far from the goal of 80% coverage in all districts by 2019.
Inhibitors of mitochondrial transcription that target human mitochondrial RNA polymerase provide a chemical biology tool for studying the role of mitochondrial DNA expression in a wide range of pathologies.
In mouse and human squamous cell carcinoma, loss of function of FAT1 promotes tumour initiation, malignant progression and metastasis through the activation of a hybrid epithelial-to-mesenchymal transition phenotype.
A many-atom state of trapped 171Yb atoms that are entangled on an optical atomic-clock transition overcomes the standard quantum limit, providing a proof-of-principle demonstration towards entanglement-based optical atomic clocks.
Multilayer 3D reconstitution of bladder stem cells with stromal cells enables recapitulation of the architecture and molecular functions of bladder tissue.