One ragweed plant can release as many as one billion grains of pollen!
51
Out of all the senses, smell is most closely linked to memory.
146
Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
10
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Brass doorknobs automatically disinfect themselves in about 8 hours.
18