Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
The smell of freshly cut grass is actually a plant distress call.
31
Out of all the senses, smell is most closely linked to memory.
146
Each day, up to 150 species of life become extinct.
-23
Most dust particles in your house come from dead skin.
48
4.5 pounds of sunlight strike the Earth each day.
27
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17