Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Scientists aren't sure what color dinosaurs were.
312
Your brain is 80% water.
525
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
The smell of freshly cut grass is actually a plant distress call.
31
Out of all the senses, smell is most closely linked to memory.
146