What would life be like without cars, refrigerators, the Internet, or the omnipresent smartphone? Take an extraordinary journey through the discoveries that hav
GREAT INVENTIONS THAT CHANGED THE WORLD Discover the inventions that have made our world what it is today A great invention opens the door to a new era in human
From the polio vaccine to the Post-It, the personal computer to Prozac, these are the scientific and technological innovations that have transformed our world.