Sound travels about 4 times faster in water than in air.
408
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
The smell of freshly cut grass is actually a plant distress call.
31