Scientists aren't sure what color dinosaurs were.
312
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Research indicates that plants grow healthier when they are stroked.
173
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Sound at the right vibration can bore holes through a solid object.
134