Author Archives: Sara Reardon

Will Giving COVID Booster Shots Make It Harder to Vaccinate the Rest of the World?

Wealthy countries have bought up most of the available vaccine doses for booster shots but still have far more than they need

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Do Monoclonal Antibodies Help COVID Patients?

Experts explain what this treatment involves, who needs it and how to get it

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The True Haiti Earthquake Death Toll Is Much Worse Than Early Official Counts

A tool built by the U.S. Geological Survey suggests that the number of fatalities may range from 10,000 to 100,000 or more

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Why Do Variants Such as Delta Become Dominant?

Mutations that make a virus more transmissible are only part of the equation

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COVAX Effort to Vaccinate the World is Faltering

The international collaboration does not have enough COVID vaccine doses to meet its goals, so wealthy countries must step up to fill the gap

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A Visual Guide to the New Coronavirus Variants

The SARS-CoV-2 coronavirus seems to be suddenly acquiring mutations at a rapid rate. The most worrying variants, first discovered in South Africa and Brazil, increase the virus’s contagiousness…

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Massive Study Finds No Single Genetic Cause of Same-Sex Sexual Behavior

Analysis of half a million people suggests genetics may have a limited contribution to sexual orientation

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Science and the Supreme Court: Cases to Watch in 2018

The death penalty, uranium mining and the endangered dusky gopher frog are among the topics that justices will consider this year

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Science and the Supreme Court: Cases to Watch in 2018

The death penalty, uranium mining and the endangered dusky gopher frog are among the topics that justices will consider this year

— Read more on ScientificAmerican.com

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U.S. Is Woefully Unprepared for Nuclear Strike

Its health system lacks the capacity to respond to attacks that use high-powered modern weapons

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Autism and DDT: What 1 Million Pregnancies Can—and Can’t—Reveal

Analysis finds prenatal exposure to the pesticide is associated with a higher risk of severe autism with intellectual impairment

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Trump Taps Meteorologist as White House Science Advisor

Nomination of Kelvin Droegemeier could end long drought at the White House Office of Science and Technology Policy

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Trump Taps Meteorologist as White House Science Advisor

Nomination of Kelvin Droegemeier could end long drought at the White House Office of Science and Technology Policy

— Read more on ScientificAmerican.com

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Top U.S. Court Upholds Trump Travel Ban: Student Visas Already in Decline

In 5-4 ruling, Supreme Court allows government to bar visitors and immigrants from seven nations

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Controversial Alcohol Study Cancelled by U.S. Health Agency

An investigation by the U.S. National Institutes of Health finds missteps that put the industry-funded project’s credibility in doubt

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Hybrid Human–Chicken Embryos Illuminate Key Developmental Milestone

A new technique could replace the need for human embryos in some lab experiments

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Hybrid Human–Chicken Embryos Illuminate Key Developmental Milestone

A new technique could replace the need for human embryos in some lab experiments

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Colombia after the Violence

Peace efforts in Colombia have ended 50 years of intense conflict. Now, scientists are studying former fighters and victims as they attempt to heal

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Colombia after the Violence

Peace efforts in Colombia have ended 50 years of intense conflict. Now, scientists are studying former fighters and victims as they attempt to heal

— Read more on ScientificAmerican.com

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Cells Hack Viruslike Protein to Communicate

Proteins that researchers think are key to long-term memory formation also move genetic material between cells in both mice and flies

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AI Algorithms to Prevent Suicide Gain Traction

Facebook is one of several companies exploring ways to detect online behaviors that have been linked to self-harm

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Sex Matters in Experiments on Party Drug–in Mice

Ketamine lifts rodents’ mood only if administered by male researchers

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Geneticists Are Starting to Unravel Evolution’s Role in Mental Illness

Hints emerge that past environments could have influenced psychiatric disorders

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3D Map of Mouse Neurons Reveals Complex Connections

Reconstructions of single cells highlight how far they can reach into the brain

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How the Latest U.S. Travel Ban Could Affect Science

Short-term travel and meeting attendance could become harder for researchers from eight countries, including Iran 

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Wallaby Milk Acts as a Placenta for Babies

Gene-expression analysis suggests that marsupial placentas take two different forms

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Geneticists Pan Paper That Claims to Predict a Person’s Face from DNA

Reviewers and a co-author of a paper by genomics entrepreneur Craig Venter claim that it misrepresents the risks of public access to genome data

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U.S. Biomedical Research Facilities Still Unprepared for Natural Disasters and Attacks

Science panel says institutions need to do more to prevent and mitigate damage to research equipment and animals

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Chimpanzees Are First Animal Shown to Develop Telltale Markers of Alzheimer’s Disease

Brain analysis revealed protein plaques and tangles, but whether the animals develop dementia is unclear

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Brain’s Stem Cells Slow Aging in Mice

Transplanted cells offer middle-aged rodents an increased life span

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