6,244 results
6,244 results for: Virus
- Health & Medicine
One mutation may have set the coronavirus up to become a global menace
A study pinpoints a key mutation that may have put a bat coronavirus on the path to becoming a human pathogen, helping it better infect human cells.
- 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.
- Health & Medicine
50 years ago, scientists found a virus lurking in human cancer cells
In 1971, scientists were building a case for viruses as a cause of cancer. Fifty years later, cancer-preventing vaccines are now a reality.
- Animals
Genetically modified mosquitoes could be tested in California soon
The EPA also OK’d more trials in Key West, Fla. Both states now get their say in whether to release free-flying Aedes aegypti to sabotage their own kind.
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The triumph and fallibility of science in a historic year
Editor in chief Nancy Shute discusses the last year in science, including lessons we've learned about COVID-19, human evolution and amazing animal feats.
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Epidemics and their aftermath
A century’s worth of science has helped us fend off infectious pathogens. But we have a lot to learn from the people who lived and died during epidemics.
- Life
Some viruses thwart bacterial defenses with a unique genetic alphabet
DNA has four building blocks: A, C, T and G. But some bacteriophages swap A for Z, and scientists have figured out how and why they do it.
- Health & Medicine
The coronavirus cuts cells’ hairlike cilia, which may help it invade the lungs
Images show that the coronavirus clears the respiratory tract of hairlike structures called cilia, which keep foreign objects out of the lungs.
- Health & Medicine
How researchers are working to fill the gaps in long COVID data
Collaboration with patients and with researchers from many specialties is key to better understanding long COVID and managing its many symptoms.
- Health & Medicine
Why the CDC says it’s crucial to start wearing masks indoors again
While unvaccinated people are driving the spread of the coronavirus, vaccinated people infected with the delta variant may also easily transmit it.
- Health & Medicine
The coronavirus may cause fat cells to miscommunicate, leading to diabetes
Researchers are homing in on a surprising cause of high blood sugar in COVID-19 patients and possibly what to do about it.
- Health & Medicine
Here are answers to 3 persistent questions about the coronavirus’s origins
Calls to double down on investigations into where SARS-CoV-2 came from — nature or a lab accident — are rising as answers remain scarce.
