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A contrast agent doesn't make you feel better or treat what's ailing you. But by making CT scans clearer, contrast might be crucial in helping your doctor make the right diagnosis.

In the past few years, enthusiasts have touted coconut oil as the next great health food. But it contains high levels of saturated fat, which is associated with an increased risk of heart disease.

Many parents of kids with life-threatening food allergies live with fear, EpiPen in hand. Some are trying oral immunotherapy, a treatment that can help patients build tolerance to foods like peanuts.

San Diego public libraries are aiming to make science, technology, engineering, art and math concepts more accessible and engaging by focusing on something that gets the attention of most kids — bugs.

Victor Hugo wrote Notre Dame de Paris, or The Hunchback of Notre Dame, in the 19th century to draw attention to the cathedral, which had fallen into neglect and disrepair. It worked.

A 27-year-old Chinese citizen who enlisted in the Army Reserve under a program for foreigners with "vital" skills, allegedly provided information on U.S. aerospace engineers and scientists.

If boys can ride bikes, "why shouldn't we?" asked Zulekha Dawood. So she organized a group that goes on weekly excursions — despite the disapproval of many men.

"The agency's proposed definition would define sex as either male or female, unchangeable, and determined by the genitals that a person is born with," The New York Times reported. Reaction was swift.

Lego figurines of five storied female NASA pioneers will soon grace toy-store shelves. The project, proposed by a science writer, is meant to shed light on women's contributions to the space program.

Jessica Abel's comic Trish Trash, Rollergirl of Mars isn't just a sports story and a coming-of-age tale, it's a masterful critique of capitalism that stays engaging despite a few wobbles.