The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Each day, up to 150 species of life become extinct.
-23
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
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Nearly 50% of the world's scientists are assigned to military projects.
71
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
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5