Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
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