If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Research indicates that plants grow healthier when they are stroked.
173
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
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