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.
People have offered many potential explanations for this discrepancy, but this ad highlights the importance of the social cues that push girls away from math and science in their earliest childhood years. The video depicts one girl's development from toddler to teenager. She wanders curiously through nature, examines the plants and animals around her, creates an astronomy project, and builds a rocket with her older brother. Don't get your dress dirty, You don't want to mess with that, and Be careful with that.