Balsa wood is classified as a hard wood!
41
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
According to studies, men change their minds two to three times more often than women.
72
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
10
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61