Building Hoover Dam, in pictures (1931-1936)

The story of how one of the most iconic American infrastructure works got built — all in pictures.

Legendary Chinese mega flood was real: 4,000 years ago the Yellow river spewed four trillion gallons of water

Once thought a mere legend, now a scientific fact.

Mosul dam engineers warn it could fail at any time, killing 1 million people

A tragedy is just waiting to happen in one of the largest cities in the Middle East, engineers warn. The Iraqis who built the dam structure for the Mosul dam warn that the structure is “increasingly precarious” and threatens to kill 1 million people. They also said the government’s answer has been ridiculous. The Mosul Dam is the largest dam in

Damming beavers also play a small role in global warming

These cute furry rodents almost went extinct in the 19th century, but conservation efforts have proven successful and right now, the world has a solid beaver population. But a new study conducted by Canadian researchers found that this increase in population also has some unforeseen consequences: beaver damming generates climate-changing methane emissions. First of all, it has to be said that this