Month: August 2022

Humanized Yeast: Scientists Create Yeast With Important Human Genes

Humanized Yeast: Scientists Create Yeast With Important Human Genes

Daran-Lapujade’s lab took human DNA (in red) encoding core functions in muscle cells and inserted it into the DNA (chromosomes in purple) of a yeast cell (in yellow). The humanized yeast can be used as a tool for medical studies, for example in drug screening and cancer research. Credit: Ella Maru Studio / Pascale Daran-Lapujade …

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The mysterious companies behind Costco's Kirkland Signature and Trader Joe's O's

The mysterious companies behind Costco’s Kirkland Signature and Trader Joe’s O’s

They have become forces in their own right and make up around 21% of sales in the $1.7 trillion US grocery industry, according to IRI. But the origins of store brands remain largely secretive. Retailers aren’t typically forthcoming about the companies that make their brands. And manufacturers, likewise, have little incentive to reveal that they’re …

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A NASA graphic depicting a galaxy with a red half-circle superimposed over it to represent the mass of dark matter believed to be found there.

The dark matter hypothesis isn’t perfect, but the alternatives are worse

You may not be a fan of dark matter, the hypothetical particle that makes up the bulk of the mass in the universe. And it’s true that the dark matter hypothesis has its shortcomings — and, of course, we haven’t found any dark matter particles yet. But the truth is that the alternatives are much …

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What a decade of Curiosity has taught us about life on Mars

What a decade of Curiosity has taught us about life on Mars

A self-portrait of NASA’s Curiosity Mars rover on Vera Rubin Ridge. AP hide caption toggle caption AP A self-portrait of NASA’s Curiosity Mars rover on Vera Rubin Ridge. AP Ten years ago, engineers at NASA’s Jet Propulsion Lab celebrated the successful landing of its fourth robot on Mars, The Curiosity rover. Now old enough to …

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Perspective | The Webb telescope is astonishing. But the universe is even more so.

Perspective | The Webb telescope is astonishing. But the universe is even more so.

This new tool can’t do everything, but it’s capturing some of the first light emitted after the big bang, and that is already revealing wonders Joel Achenbach covers science and politics for the National desk. He has been a staff writer for The Post since 1990. August 5, 2022 at 2:23 p.m. EDT W.R. for …

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