Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
German chemists made a replica of a trophy the size of one molecule.
68
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
The average temperature at 40,000 feet above sea level is -60 F.
56