By J. Lang Wood     The search for the reasons behind obesity and the most effective methods for losing weight led to the discovery of the leptin hormone in 1994. This hormone is responsible for transmitting messages to the brain about how much energy to use depending on available

©2015 Bloomberg News NOYE0L6JTSE8 (Bloomberg) — Israeli Prime Minister Benjamin Netanyahu has proposed restarting peace talks with the Palestinians by defining the borders of West Bank territory Israel would keep in a final deal. Palestinians dismissed the offer, presented by Netanyahu as an attempt to eliminate future disputes over settlement