3 ms·
The next six months will be the critical period for Earth. ( http://en.wikipedia.org/wiki/Friedman_%28unit%29 http://en.wikipedia.org/wiki/Friedman_%28unit%29
by Eliezer 15y ago
The next six months will be the critical period for Earth.
( http://en.wikipedia.org/wiki/Friedman_%28unit%29 http://en.wikipedia.org/wiki/Friedman_%28unit%29 )