Time to ask the unaskable questions about new technologies?

The emerging policy debate about nanotechnology has tended to focus on the immediate health and environmental risks of nanoparticles. This is understandable – everyone cares about safety. But in the economic and political rush to invest big in nanotechnology and...

Nanoparticles up to 240nm cross human placenta

For the first time, researchers have shown that nanoparticles can cross the human placenta, meaning that they could be transferred from mothers to unborn babies. The study showed that plastic nanoparticles up to 240nm in size crossed a human placenta (taken from...