Search Results for: mutations

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2,412 results
  1. Health & Medicine

    My mammogram revealed I have dense breasts. What does that mean?

    Nearly half of U.S. women have dense breasts. A new FDA rule makes notification of breast density national. Here’s the scoop on why.

  2. Health & Medicine

    Why the coronavirus’s delta variant dominated 2021

    Mapping delta’s unique group of mutations and how they enhance the virus’s life cycle show why the variant spread so easily and caused so much havoc.

  3. Animals

    Some hamsters are extremely susceptible to COVID-19

    Golden Syrian hamsters used in research and popular as pets can become infected with SARS-CoV-2 with very low doses of the virus, a new study suggests.

  4. Genetics

    Can’t comb your kid’s hair? This gene may be to blame

    Scientists linked variants of one hair shaft gene to most of the uncombable hair syndrome cases they tested.

  5. Readers discuss swimming sperm, a fishing fox and more

  6. Health & Medicine

    How raccoon dog DNA fits into the COVID-19 origins debate

    Did the virus that causes COVID-19 come from animals or a lab? Evidence hints at animals. Either way, we should be prepping for the next pandemic.

  7. Health & Medicine

    Here’s what we know about upcoming vaccines and antibodies against RSV

    New vaccines and monoclonal antibodies may be available this year to fend off severe disease caused by respiratory syncytial virus.

  8. Animals

    A natural gene drive could steer invasive rodents on islands to extinction

    A few genetic tweaks to a readily passed-on chunk of DNA could sterilize a mouse population, eliminating them in as little as 25 years.

  9. Health & Medicine

    What we know and don’t know about the omicron coronavirus variant

    The new omicron variant has lots of mutations and sparked a surge of cases in South Africa, but researchers still don’t know a lot about it.

  10. Health & Medicine

    Merck’s COVID-19 pill may soon be here. How well will it work?

    Once hailed as a potential game changer, more complete data now reveal drawbacks of Merck’s antiviral COVID-19 pill, molnupiravir.

  11. Health & Medicine

    ‘Breathless’ explores COVID-19’s origins and other pandemic science

    In his new book, David Quammen examines what we’ve learned about SARS-CoV-2 and puts the pandemic in the context of previous coronavirus scares.

  12. Microbes

    A bacteria-virus arms race could lead to a new way to treat shigellosis

    As bacteria that cause shigellosis evolve to escape a virus, the microbes may become less deadly, a hopeful sign for “phage therapy.”