Search:

• http://www.intute.ac.uk/sciences/ Intute: Science, Engineering and Technology, UK (short cut)

• http://www.yahoo.com Yahoo

• http://www.google.com Google

• http://www.reliefweb.int/w/rwb.nsf UN Office for the Coordination of Humanitarian Affairs (OCHA)

Statistics:

• http://dostat.stat.sc.edu/prototype/calculators/index.php3?dist=Normal Normal Distribution by DoStat Company of both Webster West in the Dep. of Stat. at the Univ. of South Carolina & Todd Ogden in the Dep. of Biostat. at Columbia Univ.

Air Crash:

• http://aviation-safety.net/database/ Aviation Safety Network (20110426)