Search Results for: mutations
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2,431 results for: mutations
- Neuroscience
Mitochondria can sneak DNA into the nuclei of brain cells
An analysis of tissue samples from nearly 1,200 older adults found that the more insertions individuals had, the younger they died.
- Health & Medicine
Human body lice could harbor the plague and spread it through biting
Rats and fleas previously got all the blame, but humans’ own parasites could be involved.
- Health & Medicine
Irregular bone marrow cells may increase heart disease risk
Over time, bone marrow stem cells develop key genetic errors and pass them on to immune cells. This may increase the risk of developing heart disease.
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- Health & Medicine
These are the viruses that defined 2024
Here’s the latest on mpox, bird flu, dengue and other viral outbreaks that flared up this year.
- Genetics
The discovery of microRNA wins the 2024 physiology Nobel Prize
Victor Ambros and Gary Ruvkun found a new principle of gene regulation essential for all multicellular organisms.
By Tina Hesman Saey and Sophie Hartley - Animals
A frog’s story of surviving a fungal pandemic offers hope for other species
Evolving immunity to the Bd fungus and a reintroduction project saved a California frog. The key to rescuing other species might be in the frog’s genes.
- Life
The largest known genome belongs to a tiny fern
Though 'Tmesipteris oblanceolata' is just 15 centimeters long, its genome dwarfs humans’ by more than 50 times.
By Jake Buehler - Neuroscience
A rare mutation helped one man stave off Alzheimer’s for decades
The brain of a Colombian man with an inherited form of Alzheimer’s may hint at ways to halt or slow the progression of the disease.
By Simon Makin - Life
The fruit fly revolutionized biology. Now it’s boosting science in Africa
African researchers are using Drosophila melanogaster fruit flies to advance studies of genetics, biomedicine, developmental biology, toxicology and more.
- Health & Medicine
Vaccines, fluoride, raw milk: How RFK Jr.’s views may shape public health
If confirmed as head of the Department of Health and Human Services, Kennedy could influence U.S. policy on vaccines, drugs and food safety.
- Health & Medicine
Better male birth control is on the horizon
Men have two birth control options: condoms and vasectomies. Why has it taken so long to develop more contraceptives?