Search Results for: mutations

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2,461 results

2,461 results for: mutations

  1. Agriculture

    Exploiting a genetic quirk in potatoes may cut fertilizer needs

    A gene controlling potato growth limits the plant’s fertilizer uptake. Tweaking related genes could lead to more sustainable potato varieties.

    By Javier Barbuzano
  2. 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.

    By Erin Garcia de Jesús
  3. 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.

    By Claire Yuan
  4. 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.

    By Claudia López Lloreda
  5. 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.

    By Darren Incorvaia
  6. 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
  7. 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?

    By Fred Schwaller
  8. 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.

    By Jonathan Lambert
  9. 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.

    By Martin J. Kernan

  10. Readers discuss dark energy, Ötzi’s tattoos and sneaky plant invasions

    By Science News Staff
  11. Health & Medicine

    A next-gen pain drug shows promise, but chronic sufferers need more options

    A new painkiller nearing approval called suzetrigine may prove to be an opioid alternative. But for many with chronic pain, treatment must go beyond pills.

    By Cassandra Willyard
  12. 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.

    By Tina Hesman Saey