• Rex Lee Run turns 20

    Read and watch the stories of cancer fighters who will run or be remembered March 7 in the 20th annual Rex Lee Run Against Cancer. Runners are being invited to share their stories.

  • Perseverance

    Rebecca Plimpton hit a dead end with her research midway through her Ph.D. program. Now she's the lead author of a study in one of the world's top scientific journals.

    Read how her work will guide development of medicines to treat illnesses like heart disease.

Typical crosswalk sign contrasted with two showing running figures

Want to get drivers' attention? Use road signs showing more action

When a car travelling relatively fast needs to come to an immediate stop, milliseconds matter. Sometimes only a few feet is the difference between life and death. See how signs can make a difference.

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Teen brain scans reveal a key to weight loss

It sounds cruel to put an already hungry teenager in an MRI scanner and show pictures of burgers, fries, pizzas, syrupy waffles and ice cream cones. But thanks to 34 willing teens, researchers have found a new way to help adolescents trying to achieve a healthy weight. Check it out.