Many of you have seen or heard about Wendy the whippet - a dog with a rare genetic mutation that has led to her being called the Arnold Schwarzenegger of dogs. The genetic mutation is a deficiency in myostatin, which is a growth factor that limits muscle tissue growth. But that rare genetic defect does not occur only in the whippet breed. ...

In December of 2006, while receiving Britain’s highest scientific award, the Royal Society’s Copley Medal, Stephen Hawking stated that if the human race were to survive, it would be necessary to travel beyond planet Earth: "The long-term survival of the human race is at risk as long as it is confined to a single planet." However, he acknowledges that colonizing other ...