2,413 results
- Health & Medicine
Is the coronavirus mutating? Yes. But here’s why you don’t need to panic
Some studies claim there are new strains of the coronavirus, but lab experiments are needed to see if mutations are changing how it infects cells.
- Genetics
A gene-based therapy partially restored a blind man’s vision
Light-activated proteins inserted in eye nerve cells and special goggles help the man, who lost his sight due to retinitis pigmentosa, see objects.
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- Humans
Neandertal DNA from cave mud shows two waves of migration across Eurasia
Genetic material left behind in sediments reveals new details about how ancient humans once spread across the continent.
- Health & Medicine
Global inequity in COVID-19 vaccination is more than a moral problem
Wealthy countries are vaccinating at much higher rates than low-income countries. Such inequities could ultimately prolong the pandemic for all.
- Health & Medicine
The more contagious coronavirus variant may soon be the U.S.’s dominant strain
More rigorous efforts to vaccinate, wear masks and social distance are needed to curb the variant’s spread, CDC says.
- Health & Medicine
After 40 years of AIDS, here’s why we still don’t have an HIV vaccine
The unique life cycle of HIV has posed major challenges for scientists in the search for an effective vaccine.
- 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.
- Genetics
The oldest animal DNA ever recovered reveals mammoths’ evolution
Mammoths evolved to handle the cold over hundreds of thousands of years and North America may been home to a hybrid species, a new study finds.
- Health & Medicine
Immunity to COVID-19 may persist six months or more
Even after recovery, the body continues to improve its antibody response to the coronavirus — perhaps thanks to viral bits hiding in the intestine.
- Genetics
A bacterial toxin enables the first mitochondrial gene editor
Researchers have engineered a protein from bacteria that kills other microbes to change DNA in a previously inaccessible part of the cell.
- Health & Medicine
We still don’t know for sure where the coronavirus came from. Here’s why
A year into the pandemic, we know the virus probably came from bats, but how and why it leaped to humans are still unknown.
