Search Results for: mutations

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2,444 results

2,444 results for: mutations

  1. Science & Society

    The amateur who helped Einstein see the light

    With help from Science News Letter, eccentric amateur Rudi Mandl persuaded Einstein to explore the phenomenon of gravitational lensing.

    By Tom Siegfried
  2. Science & Society

    No matter the language, disease risk is hard to communicate

    Reassuring messages about MERS might seem designed to stop panic. But in reality, people need to hear the truth, even if it’s uncertain.

    By Bethany Brookshire
  3. Genetics

    Scientists find new way to corral genetically engineered bacteria

    Engineering E. coli to depend on human-made molecules may keep genetically modified bacteria from escaping into nature.

    By Kate Baggaley
  4. Genetics

    Gene activity change can produce cancer

    Scientists have long thought that epigenetic changes, which alter gene activity, can cause cancer. Now they have demonstrated it in a mouse experiment.

    By Tina Hesman Saey
  5. Health & Medicine

    New antibiotic candidate shows promise

    Tests in lab dishes and mice suggest an experimental compound called teixobactin can kill staph, TB microbes and other bacteria.

    By Nathan Seppa
  6. Health & Medicine

    Diet fix eases Huntington’s symptoms in mice

    Supplement improves health of rodents with mutation that causes neurodegeneration like that seen in Huntington’s disease.

    By Laura Sanders
  7. Science & Society

    Home-brewed heroin: Hold the hype

    Now is the time to think about policy for synthetically produced morphine, but the process, if it bears out, is years away from working.

    By Bethany Brookshire
  8. Life

    Tibetans live high life thanks to extinct human relatives

    DNA shared by modern-day Tibetans and extinct Denisovans suggests people picked up helpful genes through interbreeding with other hominids.

    By Tina Hesman Saey
  9. Genetics

    Gene editing reverses liver disorder in mice

    By editing a mouse's genes with bacterial proteins, scientists have reversed a rare liver disorder in the animal.

    By Ashley Yeager
  10. Health & Medicine

    Prion mutation yields disease marked by diarrhea

    Rare prion ailment starts in adulthood, attacking the gut before brain.

    By Nathan Seppa
  11. Health & Medicine

    Carbs and gut microbes fuel colon cancer

    Western nations experience high levels of colon cancer, and carbo-loading gut microbes might explain why, says a new study in mice.

    By Nsikan Akpan
  12. Genetics

    GMOs haven’t delivered on their promises — or risks

    Genetically modified foods have been studied extensively and are abundant on supermarket shelves, but they haven’t managed to end world hunger yet.

    By Rachel Ehrenberg