In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The only letter not appearing on the Periodic Table is the letter "J".
180
For a high school science fair project, 17-year-old Michio Kaku built a particle accelerator in his parent's garage that was able to generate a magnetic field 20,000 times greater than the Earth's and produce collisions powerful enough to create antimatter.
34
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
For every gallon of sea water, you get more than a quarter pound of salt.
45
Aluminum used to be more valuable than gold!
84
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57