This futuristic pill senses signs of disease inside the body, then sends a wireless alert to a phone
(LA Times Anaheim Ducks)

In the 1966 science fiction classic `Fantastic Voyage,` a submarine crew is miniaturized so it can squeeze inside a human body and travel to a hot spot where medical assistance is needed. A team from MIT has adapted this idea for real life, replacing the shrunken squad with specially engineered...