Voyager 1 spacecraft's biggest moments are shown in this chart covering the last 36 years. Voyager 1 is almost 12 billion miles away now! and moving at miles per hour!Voyager 1 will be the first ever object we've sent outside our solar system.
Abraham Maslows hierarchy of needs is an important psychological theory that addresses the stages of growth in humans. This infographic takes Maslows theory and looks at the social media tools that fulfill these needs.