2,463 results
2,463 results for: mutations
- Microbes
Drug-resistant bacteria evolved on hedgehogs long before the use of antibiotics
A standoff between bacteria and antibiotic-producing fungi living on hedgehogs may have led to the rise of one type of MRSA some 200 years ago.
- Health & Medicine
The omicron variant is surging. Here’s what we’ve learned so far
Omicron is better at evading virus-attacking antibodies than previous coronavirus variants, but there are signs booster shots might help curb symptoms.
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These are the most-read Science News stories of 2021
Science News drew over 21 million visitors to our website this year. Here’s a rundown of the most-read news stories and long reads of 2021.
- Health & Medicine
These are the viruses that mRNA vaccines may take on next
Now that mRNA vaccines have proved effective against the coronavirus, scientists are taking aim at influenza, HIV and other viruses.
- Health & Medicine
In 2021, COVID-19 vaccines were put to the test. Here’s what we learned
Vaccines can’t single-handedly end the pandemic, but they are still essential in the fight against the coronavirus.
- Genetics
How the Human Genome Project revolutionized understanding of our DNA
Completion of the Human Genome Project was a huge milestone, but there’s more work to do to ensure equitable access to the information in our DNA.
- Animals
Tuskless elephants became common as an evolutionary response to poachers
After poachers tore through a Mozambican elephant population, tuskless females tripled in number as humans altered the species’s evolutionary trajectory.
- Life
Some songbirds now migrate east to west. Climate change may play a role
In recent decades, more Richard's pipits are wintering in Europe than before. It may signal the establishment of a totally new migration route.
- Health & Medicine
A new antiviral pill cuts COVID-19 hospitalization and death rates
Merck says its drug, molnupiravir, stops viral replication and can be taken right after a COVID-19 diagnosis.
- Life
How these sea-loving mangroves ended up far from the coast
On the Yucatán Peninsula, mangroves trapped nearly 200 kilometers from the ocean are part of a “relict ecosystem” that’s more than 100,000 years old.
- Health & Medicine
How personalized brain organoids could help us demystify disorders
Personalized clusters of brain cells made from people with Rett syndrome had abnormal activity, showing potential for studying how human brains go awry.
- Health & Medicine
How coronavirus vaccines still help people who already had COVID-19
Coronavirus vaccines give the immune system of previously infected people a boost, probably giving those people better protection against new variants.
