Balsa wood is classified as a hard wood!
41
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
Billions of neutrinos pass unnoticed through your body every second.
6
Aluminum used to be more valuable than gold!
84
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Out of all the senses, smell is most closely linked to memory.
146