Humans

The answer, this time, isn't simply more cash, says Dr. Harold Varmus, director of the National Cancer Institute. Instead, changing the way research money is distributed might fix systemic problems.

A shrinking pool of grant money for medical research has led competing applicants to oversell weak scientific findings, critics say. The result: Many experimental treatments are worthless.

Longer lives means more decades of intimacy. Drugs that help male physiology match desire have affected more than just the body, men who take these pills say.

Linguist Mark Liberman, who works at the University of Pennsylvania, says the use of "um" or "uh" can provide signs about the speaker's gender, language skills and life experience.

They were talented, idealistic risk-takers on the road to what they thought would be important medical discoveries. But when the funding for risk-takers dried up, these two academics called it quits.

DNA from a 12,000-year-old skeleton of a teenage girl found in a cave in the Yucatan Peninsula shows the same markers found in modern Native Americans.

The ALS Association has raised more than $94 million in recent weeks via its online ice bucket challenge — compared with $2.7 million this time last year. Now what?