Take a trip to outer space! Watch out for huge yellow clouds filled with acid, solar gas explosions, giant flying snowballs made of ice. Join these astronauts on a daring and dangerous adventure throu
Introduces the lives and accomplishments of notable inventors, from James Watt and the steam engine to Tim Berners-Lee, who was behind the development of the World Wide Web.
Introduces major developments in modern medicine, from William Harvey's discovery that the heart is a pump to the development of an artificial heart, and explains original reactions and the difference
Introduces the festival of the Dionysia in ancient Athens and describes Greek dinners, the theater, and other aspects of everyday life from the point of view of an Egyptian slave boy.
