Iron weighs more after it rusts.
16
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
The average home creates more pollution than does the average car.
33
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101