What is eldest daughter syndrome? Is it a real condition?

Who plans the agenda for vacations in your family? Who's the first to step up to care for mom and dad or grandma and grandpa? Who's the one organizing family holidays? Chances are if you have an older sister, it's her. And ...

Inherited wealth leads to sibling rivalry

(PhysOrg.com) -- Sibling rivalry is driven by the transfer of wealth between generations, according to new research by anthropologists at the University of Bristol and Addis Ababa University.