The Biggest Science News of 2020
The Biggest Science News of 2020
Neanderthal DNA surprises in modern humans, the first blood test for Alzheimer’s, a discovery of new human salivary glands, and, oh yeah, a pandemic
The Biggest Science News of 2020
The Biggest Science News of 2020

Neanderthal DNA surprises in modern humans, the first blood test for Alzheimer’s, a discovery of new human salivary glands, and, oh yeah, a pandemic

Neanderthal DNA surprises in modern humans, the first blood test for Alzheimer’s, a discovery of new human salivary glands, and, oh yeah, a pandemic

blood test
COVID-19 May Have Arrived in US in December: Study
COVID-19 May Have Arrived in US in December: Study
Max Kozlov | Dec 2, 2020
SARS-CoV-2 antibodies detected in blood donor samples indicate infections could have occurred in the US more than a month before the first confirmed case, but some experts remain skeptical.
First Alzheimer’s Blood Test Rolled Out for Clinical Use in US
First Alzheimer’s Blood Test Rolled Out for Clinical Use in US
Shawna Williams | Nov 2, 2020
The test will be a cheaper and more accessible alternative to currently available diagnostic tools, researchers say.
Experimental Blood Test Could Flag Alzheimer’s
Experimental Blood Test Could Flag Alzheimer’s
Kerry Grens | Jul 29, 2020
New studies show that elevated levels of a form of tau called p-tau217 can accurately distinguish Alzheimer’s disease from other forms of dementia, and perhaps even predict it.
Blood Test Detects Cancer Early, But Has Some Holdups
Blood Test Detects Cancer Early, But Has Some Holdups
Ashley Yeager | Apr 29, 2020
The liquid biopsy, which detects cell-free tumor DNA, spotted undiagnosed cancers in some women, but had a greater number of false positives and false negatives.
special report
How (Not) to Do an Antibody Survey for SARS-CoV-2
How (Not) to Do an Antibody Survey for SARS-CoV-2
Catherine Offord | Apr 28, 2020
Preprints from the first round of seroprevalence studies indicate that many more people have been infected with the virus than previously reported. Some of these studies also have serious design flaws.
Opinion: Public Health Trumps Privacy in a Pandemic
Opinion: Public Health Trumps Privacy in a Pandemic
John D. Loike, Ruth L. Fischbach | Apr 16, 2020
If governments were to use SARS-CoV-2 antibody tests to manage who can re-enter the workplace, society must accept a sacrifice of privacy.
Circulating Fetal Cells Sequenced for Prenatal Testing Study
Circulating Fetal Cells Sequenced for Prenatal Testing Study
Emily Makowski | Dec 10, 2019
Trophoblasts, collected from the mother during a blood draw, can determine fetal genetic abnormalities currently diagnosed through amniocentesis or chorionic villi sampling.
Interactive: Biomarkers in Blood Provide a Window into the Brain
Interactive: Biomarkers in Blood Provide a Window into the Brain
Shawna Williams | Dec 1, 2019
A look at some of the circulating molecules that may indicate various Alzheimer’s pathologies and serve as the bases of noninvasive tests for the disease.
The Hunt for a Blood Test for Alzheimer’s Disease
The Hunt for a Blood Test for Alzheimer’s Disease
Shawna Williams | Dec 1, 2019
Researchers hope circulating biomarkers will enable earlier detection and better monitoring of the neurodegenerative disorder—and perhaps help usher in new treatments.