Detecting Alzheimer's Gets Easier with a Simple Blood Test

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February 04, 2021

Neurological Health

Detecting Alzheimer's Gets Easier with a Simple Blood Test

New assays could reduce the need for costlier, more invasive brain scans and spinal fluid measures

By Esther Landhuis

Space

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Cosmologists suggest that an exotic substance called quintessence could be accelerating the Universe's expansion—but the evidence is still tentative

By Davide Castelvecchi,Nature magazine

Climate

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Gavin Schmidt, an expert in climate modeling, will help ensure the Biden Administration has crucial data to inform its emissions reduction goals

By Scott Waldman,E&E News

Mental Health

Pregnant during Pandemic: The Bump That No One Saw

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By Katie Weeman

Biology

Antarctic Seals Vocalize in Ultrasonic--but Not for the Usual Reason

Nearly one fifth of the underwater vocalizations produced by Antarctica's Weddell seals occur at pitches above the limits of human hearing, according to a recent study

By Liz Allen

Cognition

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Scientists search for the neural basis of an enigmatic experience

By Jason Castro

Medicine

Why COVID Vaccines Are Likely Safe for Pregnant People

The scantness of available data leaves the decision up to the individual and their doctors, though benefits can outweigh risks in some cases

By Mariana Lenharo

Public Health

Pathogen Discovered That Kills Endangered Chimps: Is It a Threat to Humans?

An Ebola outbreak and a few false leads slowed a 15-year search for bacteria that attack the nerves and gut

By Rachel Nuwer

Public Health

A COVID Look-alike That Strikes Young Adults

A dangerous lung illness stems from substandard vape liquids

By Claudia Wallis

Arts & Culture

Amanda Gorman's Climate Poem Says, Act 'Now, Now, Now'

The youth poet laureate offers an urgent message

By Mark Fischetti

Policy & Ethics

If You've Been Working from Home, Please Wait for Your Vaccine

You can't ethically go ahead of the very people who made it possible for you to do so—at great personal risk

By Steven W. Thrasher
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FROM THE ARCHIVE

A New Era for Alzheimer's

Fresh approaches and hopeful clues in the search for novel therapies

QUOTE OF THE DAY

"The development of a blood-based test for Alzheimer's disease is just phenomenal. The field has been thinking about this for a very long time. It's really been in the last couple of years that the possibility has come to fruition."

Michelle Mielke, neuroscientist and epidemiologist at the Mayo Clinic

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