species - not just the dinosaurs - into oblivion. A telltale of this meteoritic material will likely be high levels of the element iridium. Just over 70% of the plants grown from Earth seeds were alive after 17 days - just slightly more than the plants grown from space seeds - just over 66%. The results from this experiment provides further support that rocket seeds can be flown and stored on the International Space Station for six months without having any significant impacts on their ability to germinate and grow on Earth. The RHS collected comments sent in by schoolchildren and teachers involved in the experiment. "There is still a 'yuk' factor to the whole idea of buying and wearing other people's body parts," she says. In China