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Controlling quantum motion and hyper-entanglement

Manuel Endres, professor of physics at Caltech, specializes in finely controlling single atoms using devices known as optical tweezers. He and his colleagues use the tweezers, made of laser light, to manipulate individual atoms within an array of atoms to study fundamental

Is the world ready for a catastrophic solar storm?

Some 13,000 years ago, the sun emitted a huge belch of radiation that bombarded Earth and left its imprint in ancient tree rings. That solar storm was the most powerful one ever recorded. The next strongest was the 1839 Carrington Event. It was spurred by a huge solar flare

Diversity is key to ecosystem stability, says 20-year study

Alongside climate change, biodiversity loss caused by human activity is one of the greatest environmental challenges of our time. A study conducted at the Research Center for Ecological Change, University of Helsinki investigated how the diversity of natural communities affects

Why Europe's fisheries management needs an overhaul

As legally required by the European Union, sustainable fisheries may not extract more fish than can regrow each year. Yet about 70% of commercially targeted fish stocks in northern EU waters are either overfished, have shrunken population sizes or have collapsed entirely.