BUBBLE WRAP. Engineers Alfred Fielding and Marc Chavannes came up the idea for bubble wrap while working on a new type of textured wallpaper in 1957. By sealing two shower curtains together, they trapped a layer of bubbles.
Immigration and Customs Enforcement. Special agents at Immigration and Customs Enforcement, the largest investigative agency in Homeland Security, are classified as criminal investigators. They start at GL-7 with an annual base salary range of $33,829 to $42,055, or GL-9 with an annual base salary of $42,948 to $55,413.
In 2011, the BLS showed only two types of employers for wildlife protection officers. The biggest was state government, which had 6,360 out of 7,180 positions and paid the higher averages of $56,210 per year, or $27.02 per hour.The second was local government, with 820 jobs at a mean $51,550 annually, or $24.78 hourly.ildlife protection officers earned a mean $55,670 per year, or $26.77 per hour, as of May 2011, states the Bureau of Labor Statistics.