John Travis

All Stories by John Travis

  1. There’s no faking it

    The brain activity in men and women having an orgasm is very similar.

  2. HIV protein breaks biological clock

    The AIDS virus secretes a protein that interferes with an animal's biological clock.

  3. Health & Medicine

    Cleaning up glutamate slows deadly brain tumors

    Eliminating the glutamate released by brain tumors may slow the cancer's growth.

  4. Protein triggers nerve connections

    Nonnerve cells called astrocytes secrete a protein that enables nerve cells to connect.

  5. The good side of a viral infection?

    Hepatitis A infections may protect people from allergies and asthma.

  6. Getting Back to Normal: Protein enables the liver to regenerate quickly

    A protein called stem cell factor enables the liver to regenerate and may even protect people from acute liver failure.

  7. Health & Medicine

    Antiviral Advance: Drug disables enzyme from hepatitis C virus

    A new drug prevents the replication of the hepatitis C virus.

  8. Health & Medicine

    First Viruses, Now Tumors: AIDS drug shows promise against brain cancers

    A potential AIDS drug may also slow the growth of deadly brain tumors.

  9. A Shot at Pain Prevention: Nerve-healing protein relieves rats’ misery

    A chemical that spurs growth of nerve cells during fetal development may provide a new way to treat severe chronic pain that results from nerve damage.

  10. Health & Medicine

    Danger, danger, cry injured cells

    Damaged cells may release uric acid to rouse the immune system.

  11. Rats join the roster of clones

    Scientists have finally cloned the rat, setting the stage for the creation of genetically engineered rats that can be used to study many more diseases in humans.

  12. Health & Medicine

    Making the heart burn

    Burning chest pain during a heart attack may stem from a protein that also responds to chili peppers.