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Britton Chance Dies

Britton Chance, who developed tools for studying enzymatic activity and studied the mitochondria, died, reports the Los Angeles Times. He was 97. In the 1940s, Chance came up with stopped-flow spectrophotometry to study enzyme reactions rates and developed the Theorell-Chance mechanism, which says the rate of a reaction is governed by how quickly products are released from the reaction complex. Later, he studied mitochondria, developing a dual wavelength spectrophotometer and a fluorescent spectrophotometer to aid that work. The LA Times also notes that Chance was an Olympic sailor, taking the gold medal in the 1952 Helsinki Games.

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.