Out of all the senses, smell is most closely linked to memory.
146
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
German chemists made a replica of a trophy the size of one molecule.
68
Scientists in Germany have developed a candy that doesn't cause cavities.
11
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65