Balsa wood is classified as a hard wood!
41
Scientists aren't sure what color dinosaurs were.
312
Research indicates that plants grow healthier when they are stroked.
173
The sun is 330,330 times larger than the earth.
75
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
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
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101