The U.N.-sponsored talks begin today in Geneva, five years into Syria's civil war. A message from the U.N. envoy for Syria hasn't necessarily helped matters.
Clay tablets show that Babylonian astronomers tracked planets using a method that was thought to be invented 1,400 years later. In a way, scientists say, the ancient techniques were "very modern."
Iran's President Hassan Rouhani has received a warm welcome in Europe amid a series of business deals worth billions of dollars with the likes of Peugeot. A megadeal with Airbus is in the works.
Some European countries were big trading partners with Iran in the past, but while their companies are eager to rebuild that trade, they're also wary of Iran's hardliners and American prosecutors.
The U.S. and other countries have agreed to lift sanctions imposed on Iran over its nuclear program, but Washington still has other sanctions in place against Tehran.
Iran's president is in Italy at the start of a Europe trip made possible by the lifting of sanctions following the implementation of the Iran nuclear deal. President Hassan Rouhani met with the Pope Tuesday before heading to France.