The Altai region has yielded a cluster of Middle and Upper Paleolithic stratified sites that have been recently excavated using a multidisciplinary approach. These sequences provide key evidence illustrating changes in material culture corresponding to the transition from the Middle to the Upper Paleolithic. In Europe, this phenomenon is associated with the replacement of Neandertals by modern humans. Based on this archeological data set, local scholars have put forward a scenario of regional...

Pieter Hoff is the inventor of the Groasis Waterboxx. It was elected the 'Best of What's New 2010' by Popular Science, one of the most influential science magazines with over 3 million readers around the world.The Groasis Waterboxx beat 116 great products mostly from Fortune 500 companies; amongst them, the fantastic Apple iPad and the incredible Philips ledlamp.His innovation allows trees to be planted in deserts, on mountains, eroded areas, rocks and even in the ashes of burned forests. The...

An introduction to the work of Rembrandt.