Power of Mismatch
Had to write down the numbers to remember the magnitudes.
Human species: 200'000 years.
Human civilization: 10'000 years.
Practical contraception: 100 years.
2011-06-29
Had to write down the numbers to remember the magnitudes.
Human species: 200'000 years.
Human civilization: 10'000 years.
Practical contraception: 100 years.
2011-06-29