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NMR, Anywhere, Anytime

German researchers are working on scaling down the size of the magnets needed to NMR machines, reports Technology Review. RWTH Aachen University's Federico Casanova and his colleagues have made a magnet that "is about the size of a standard D battery and weighs 500 grams," according to Tech Review. As they report in their Angewandte Chemie article, the researchers' design builds off the Halbach array; they stacked three trapezoidal and filled the gaps with rectangular magnetic block. The magnet was able to generate a 0.7 Tesla field. Casanova and his colleagues write that "as the magnet system requires extremely low power, it could be operated in the future with batteries and single-chip electronics, so that high-resolution NMR spectrometers will become portable tools to analyze samples anywhere."

The Scan

Not as High as Hoped

The Associated Press says initial results from a trial of CureVac's SARS-CoV-2 vaccine suggests low effectiveness in preventing COVID-19.

Finding Freshwater DNA

A new research project plans to use eDNA sampling to analyze freshwater rivers across the world, the Guardian reports.

Rise in Payments

Kaiser Health News investigates the rise of payments made by medical device companies to surgeons that could be in violation of anti-kickback laws.

Nature Papers Present Ginkgo Biloba Genome Assembly, Collection of Polygenic Indexes, More

In Nature this week: a nearly complete Ginkgo biloba genome assembly, polygenic indexes for dozens of phenotypes, and more.