Corrugated cardboard has two main components: the linerboard and the medium. Both are made of a special kind of heavy paper. Linerboard is the flat facing that adheres to the medium. The medium is the wavy fluted paper in between the liners. Single Wall is manufactured with the medium between two sheets of linerboard. Double Wall has three sheets of linerboard with two mediums in between.
A new Microsoft-commissioned survey shows European girls lose interest in STEM subjects around the age of 15. Microsoft admitted it doesn't have a comprehensive explanation for why 15-year-old girls lose interest in science and math.
Powerful Ad Shows What A Little Girl Hears When You Tell Her She's Pretty. A new Verizon commercial cites a sad statistic by the National Science Foundation: 66 percent of 4th grade girls say they like science and math, but only 18 percent of all college engineering majors are female.