Life-saving incubators may cause babies to die later from cot death, startling new research suggests.

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The U.S. Department of Health and Human Services, the federal agency that oversees the U.S. Food and Drug Administration (FDA) and the U.S. Centers for Disease Control and Prevention (CDC), recently conceded the first vaccine-autism case.

Tobacco use could kill as many as one billion people in the 21st century, according to the World Health Organization, in a report that urged governments to introduce new control policies.

A federal judge in Los Angeles on Thursday ordered the toughest set of restrictions ever imposed on the U.S. Navy's use of mid-frequency sonar off the Southern California coast as part of a protracted court battle to protect whales and other marine mammals from underwater sonic blasts.

Europe's top environmental watchdog is calling for immediate action to reduce exposure to radiation from Wi-Fi, mobile phones and their masts. It suggests that delay could lead to a health crisis similar to those caused by asbestos, smoking and lead in petrol.

Soybeans, apples, melons, onions, citrus, alfalfa, cotton: These crops wouldn't seem to have much in common, but they do. Each -- and thousands of other plant species around the world -- rely partly on bees for pollination.

And the bees are vanishing.