Tumor-Melting Virus vs. Prostate Cancer
Reovirus is harmless to normal cells -- but it destroys many kinds of cancer cells. A new study in patients with prostate cancer takes the virus closer to being a new cancer treatment.

Salmonella Risk Prompts Wider Food Recall
Nearly 2 million pounds of ready-to-eat beef taquito and chicken quesadilla products that may be contaminated with salmonella have been recalled, the U.S. Department of Agriculture (USDA) says.