Search Results for: Virus

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6,244 results

6,244 results for: Virus

  1. Physics

    Tiny tubes tune in colors

    At the right length and conductivity, ultrathin filaments of carbon known as carbon nanotubes can receive visible light waves in the same the way as larger antennas receive radio signals.

    By Peter Weiss
  2. Health & Medicine

    AIDS Vaccine Tests Well in Monkeys

    An experimental AIDS vaccine bolstered with two immune proteins protects rhesus monkeys from the disease even when they are exposed to a combination of simian and human immunodeficiency virus.

    By Nathan Seppa
  3. Math

    Generous Players

    Game theory is helping to explain how cooperation and other self-sacrificing behaviors fit into natural selection.

    By Erica Klarreich

  4. Protein Portal: Enzyme acts as door for the SARS virus

    A protein that regulates blood pressure also serves as the cellular portal for the SARS virus.

    By John Travis
  5. Health & Medicine

    Old-fashioned circumcision can spread herpes

    Boys whose ritual circumcisions involve an ancient, and now rare, practice may acquire herpes during the operation.

    By Ben Harder

  6. Seek and Destroy: Virus attacks cancer, spares normal cells

    A virus carried by mosquitoes naturally homes in on cancer cells and destroys them.

    By John Travis

  7. Trash to Treasure: Junk DNA influences eggs, early embryos

    A type of DNA once thought to be little more than genetic clutter may play a role in gene expression in mammalian eggs and newly formed embryos.

    By Christen Brownlee

  8. Bubble Trouble: Mad cow proteins may hitch a ride between cells

    Prions, the proteins behind mad cow disease, may travel between cells in bubbles called exosomes.

    By John Travis
  9. Health & Medicine

    HIV outwits immune system, again

    The AIDS virus uses immune system proteins to hitch rides on the antibody factories known as B cells, possibly helping it find potential host cells.

    By John Travis
  10. Health & Medicine

    HIV drugs may stop cervical disease

    A drug combination given to people with HIV, the AIDS virus, helps knock out precancerous cervical lesions in some women.

    By Nathan Seppa
  11. Health & Medicine

    Papillomavirus infections spike in sunny months

    Getting sun could increase vulnerability to a sexually transmitted virus that may lead to cervical cancer.

    By Ben Harder
  12. Health & Medicine

    Viruses, but not bacteria, tied to mental decline

    Past infection by multiple common viruses may contribute to cognitive decline in some elderly people.

    By Ben Harder