Placenta is the afterbirth organ associated with pregnancy. The placenta that is used in skin creams and hair gels or conditioners and facial masks is the type from sheep placentas, not from human placentas.lacenta is the afterbirth organ associated with pregnancy. The placenta that is used in skin creams and hair gels or conditioners and facial masks is the type from sheep placentas, not from human placentas.
Earth Day. Earth Day is an annual event celebrated on April 22. Worldwide, various events are held to demonstrate support for environmental protection. First celebrated in 1970, Earth Day events in more than 193 countries are now coordinated globally by the Earth Day Network.
Learn how Earth Day became a global environmental event that will include a billion people on April 22. By John Roach, for National Geographic News. PUBLISHED. People at an Earth Day event lift their bicycles in Budapest, Hungary, on April 22, 2012.Photograph by Attila Volgyi, Xinhua/Eyevine/Redux. More than a billion people around the world will celebrate Earth Day on April 22, 2013âthe 43rd anniversary of the annual day of action on the environment.nstead, April 22, 1970, was chosen for the first Earth Day in part because it fell on a Wednesday, the best part of the week to encourage a large turnout for the environmental rallies held across the country, Rogers said.