Some scientists have engineered a form of the deadly H5N1 virus that is easily transmissible and could cause lethal human pandemics.
According to the British Heart Foundation, more than a quarter of teens make assumptions about the harm of cigarettes from the wrapping.
Women around the world are worried about implants from a now-defunct French company, but all products need to be watched carefully.
Low doses of DHEA can help sexual function and menopausal symptoms and may be used as a hormone replacement therapy alternative.
PIP, once the third largest maker of implants in the world, was using industrial-grade silicone normally found in computers and cookware.