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
The smell of freshly cut grass is actually a plant distress call.
31
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
German chemists made a replica of a trophy the size of one molecule.
68