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NPR
Goats and Soda
Two white-tailed deer forage in Pennsylvania's Wyomissing Parklands. At the end of 2021, researchers swabbed the noses of 93 dead deer from across the state. Nearly 20% tested positive for COVID.

Researcher finds 'stunning' rate of COVID among deer. Here's what it means for humans

Mar 09, 2022
Studies on white-tailed deer in Pennsylvania and Ontario offer evidence that the mammals are a reservoir for the virus. What are the implications for the course of SARS-CoV-2?
NPR
Goats and Soda

Visual Explainer: Why Some Coronavirus Variants Are More Contagious Than Others

May 19, 2021
This animated video uses puzzle pieces to show how a coronavirus binds to a cell's surface — and what happens when a mutation occurs.
NPR
Coronavirus Updates
A droplet falls from a syringe after a health care worker was injected with the Pfizer-BioNTech COVID-19 vaccine at Women & Infants Hospital in Providence, R.I.

BioNTech CEO Says 'Highly Likely' Vaccine Is Effective Against U.K. Virus Variant

Dec 22, 2020
"Scientifically, it is highly likely that the immune response by this vaccine also can deal with the new virus variant," BioNTech CEO Ugur Sahin said Tuesday.
NPR
Goats and Soda
This image made by a scanning electron micrograph shows SARS-COV-2 virus particles (colorized pink) from a patient sample.

The Coronavirus Is Mutating. That's Normal. Does That Mean It's More Dangerous?

May 08, 2020
There are various studies looking at changes to the virus genome — and the possible impact on how the virus affects humans. Here's what we know (and don't yet know) about mutations.
NPR
Shots - Health News

Accumulated Mutations Create A Cellular Mosaic In Our Bodies

Jun 06, 2019
It turns out you aren't simply a clone of cells from the womb. Over a lifetime, mutations create a patchwork of tissues made with pieces that have subtly different genetic signatures.
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NPR
13.7: Cosmos And Culture

Why Males Are Biology's Riskier Sex

Jan 30, 2018
New data have confirmed major differences in mutation rates between the sexes — showing that children inherit more mutations from their dads than from their moms, says guest commentator Robert Martin.
NPR
Shots - Health News
When it comes to sex, the roundworm <em>Diploscapter pachys </em>is a loner.

Tiny, Transparent Worm Challenges Notions About Sex

Oct 12, 2017
Scientists have found a group of worms that haven't reproduced sexually for 18 million years. Normally that would be a recipe for quick extinction, but these little guys seem none the worse for wear.
NPR
Shots - Health News
A sometimes lethal strain of H7N9 bird flu that has infected about 1,500 people in China doesn't spread easily among humans — yet. But research published Thursday suggests just a few genetic mutations might be enough to make it quite contagious.

A Few Genetic Tweaks To Chinese Bird Flu Virus Could Fuel A Human Pandemic

Jun 15, 2017
Three genetic changes could be enough to make a bird flu strain that's already killing some people in China highly contagious. Are experiments with a deliberately mutated version too risky?
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NPR
Shots - Health News
Nearly two-thirds of cell mutations that cause cancer are caused by random error, a study found.

Cancer Is Partly Caused By Bad Luck, Study Finds

Mar 23, 2017
Researchers have long known behavior, environment and genetics play a role in cancer. A study in Science finds luck is also a major factor. Nearly two-thirds of cancer mutations arise randomly.
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