Seventeenth-century trunk of undelivered letters(Courtesy Sound and Vision The Hague, The Netherlands) Sealed letter(Courtesy Sound and Vision The Hague, The ...

Fortune-seekers and former soldiers arrived in the small towns of the Old West, carrying pistols and a taste for violence. Review by Richard Snow Read the review As the American struggle for ...

For the first time ever, researchers have virtually unfolded a sealed letter from Renaissance Europe. It has remained unopened for 300 years, and thanks to their innovative computational approach, ...

Some call it the gig economy. Others call it the peer economy. Others, the collaborative economy, or “collaborative consumption.” Still others, the sharing economy. As Fast Company contributor Rachael ...

Everyone loves to travel abroad to discover new countries, new cultures and new languages. Traveling is always fun and never fails to broaden your horizons. These days it’s virtually impossible to go ...

Classical conditioning is a way to learn using unconscious associations. Pavlov discovered classical conditioning when dogs started to salivate at the sound of a bell before they got food. The ...