2,418 results
- Paleontology
The last woolly mammoths offer new clues to why the species went extinct
The last population of woolly mammoths did not go extinct 4,000 years ago from inbreeding, a new analysis shows.
- Health & Medicine
A newly approved ‘living drug’ could save more cancer patients’ lives
Tumor-infiltrating lymphocyte, or TIL, therapy is the first T cell treatment for solid tumors. It fights melanoma and maybe other cancers too.
- Health & Medicine
Malaria parasites can evade rapid tests, threatening eradication goals
Genetic mutations are making Plasmodium falciparum, parasites that cause malaria, invisible to rapid tests. New, more sensitive tests could help.
- Health & Medicine
A protein found in sweat may protect people from Lyme disease
The protein stopped Borrelia burgdorferi, a bacterium that is transmitted by ticks, from growing in dishes or infecting mice.
- Microbes
Bird flu viruses may pack tools that help them infect human cells
Bringing along their own ANP32 proteins may give avian flu viruses a jump-start on copying themselves to adapt to and infect humans and other animals.
- 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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- 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.
- 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.
