Phobias: Fear of the Northern Lights?

Questions

According to the U.S. government, people have tried more than 28,000 different ways to lose ------------?

Airport security personnel find about ------ weapons a day searching passengers.?

Seventy percent of house dust is made up of dead -----------------------?

Since 1978, at least 37 people have died as a result of --------------------, in an attempt to get free merchandise. More than 100 have been injured.?

Since its introduction in February 1935, more than 150 million ----------- board games have been sold worldwide.?