halo trust says it oversaw the removal of the 170,000 michbs. the men and women who cleared the mines had help from an unlikely source. these giant mdr, mine detection rats went through extensive training to help the human friends sniff out mines. in under an hour they could check an area that would take a human two days to cover. to think last week the world of twitter was impressed by a rat that carried a slice of pizza. we think these rats should go viral instead. the correct answer to the gps challenge question is b. china as the first victim of aggression by an access power, unquote was given the opportunity to sign the charter first. 49 other countries also signed that day. happy 70th anniversary to the u.n.