Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
A ball of glass will bounce higher than a ball made of rubber.
73
Scientists aren't sure what color dinosaurs were.
312
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
4.5 pounds of sunlight strike the Earth each day.
27
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
The smell of freshly cut grass is actually a plant distress call.
31