Research indicates that plants grow healthier when they are stroked.
173
For every gallon of sea water, you get more than a quarter pound of salt.
45
At 15 years old, Jack Andraka invented a method of diagnosing pancreatic cancer, thus helping to save the lives of millions of people around the world. It is 168 times faster, 26,000 times cheaper, 400 times more sensitive, and has a 99% success rate.
15
Out of all the senses, smell is most closely linked to memory.
146
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
One third of the electricity produced on earth is used to power electric light bulbs!
75