Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Sound at the right vibration can bore holes through a solid object.
134
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Nearly 50% of the world's scientists are assigned to military projects.
71
The only letter not appearing on the Periodic Table is the letter "J".
180
The bark of an older redwood tree is fireproof.
65