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Top Videos Include Evaporating Drops and Ocean Bubbles

Prize-winning videos cover the range from microscopic droplets to global climate. Read More »

synopsis

Alignment of Cells Affects Secondary Tumor Growth

Cell–cell alignment and a background of stationary cells together shape the emergence of cellular clusters in a primary tumor. Read More »

synopsis

Sagittarius Galaxy Found Not Guilty

A new analysis challenges the claim that a gamma-ray signal observed from a direction near the Milky Way’s center is produced by a dwarf galaxy. Read More »

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Laser-Based Tuning of Light–Matter Interactions

A new method for controlling the interactions between ultracold atoms and light could advance efforts to simulate complex quantum systems using atom clouds. Read More »

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Programming a Crystal Defect with Light

Forces imposed by laser light can manipulate the shape of a membrane’s vibrational modes. Read More »

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How to Pop a Microscopic Cork

Researchers used machine learning to optimize the process by which a tiny cage is opened to release a molecule. Read More »

Research News

How Magnetic Waves Become Heat in Earth’s Magnetosphere

Observations confirm a theoretical model explaining how—in Earth’s magnetosphere—large-scale magnetic waves heat up the magnetosphere’s plasma by transferring their energy to smaller-scale acoustic waves. Read More »

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Erbium Atoms in an Optical Tweezer Array

Erbium and similar elements provide a wide range of electronic “handles” for manipulating atoms in many-body quantum experiments. Read More »

Viewpoint

Measuring the Spectrum of High-Energy Cosmic-Ray Electrons

A new analysis of more than a decade’s worth of observations extends the spectrum of cosmic-ray electrons to unprecedented high energies. Read More »

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