Iran threatened the U.S. to take action if the U.S. Navy moves an aircraft carrier into the Gulf. This has been Tehran's most aggressive statement yet after weeks of saber-rattling as new U.S. and EU financial sanctions take a toll on its economy.
The ancient city of Angkor — the most famous monument of which is the breathtaking ruined temple of Angkor Wat — might have collapsed due to valiant but ultimately failed efforts to battle drought, according to Scientists.
Scientists said on Tuesday that they had discovered the world's first hybrid sharks in Australian waters, a potential sign the predators were adapting to cope with climate change.
12/22/2011 08:06:00 AM
Anthony Yap
