A plant scientist at Mars Inc., has appealed to the world's biggest life sciences companies to help him — by sharing what they already know about 100 crops that could provide better nutrition in Africa. But can the kings of agricultural intellectual property get on board with open source agricultural information for Africa?

A handful of polio infections in Kenya and Somalia could set back efforts to wipe out the virus worldwide, health workers warned Wednesday. The last time there was polio in this region, the virus spread throughout the Horn of Africa into the Middle East and eventually into Indonesia.

While studying microorganisms on humans is not new, tracking fungi is. In a census of sorts, scientists checked the skin of healthy volunteers. They found an expansive ecosystem of silent inhabitants.

A measles epidemic in Wales that has infected more than 1,000 people is the fallout from a fraudulent paper linking the vaccine and autism published almost 15 years ago, health officials say. Many of the children and teenagers sick with measles were never vaccinated.

Some single baby boomers are moving into group houses, a college-era solution to their modern needs. Housemates share costs, socialize, and cheer each other on through life's thick and thin.