For 500 years, explorers searched for the fabled Northwest Passage, a route that connected the Atlantic and Pacific Oceans. Could global warming reduce the risk and open the passage for modern business?
Before barometers and thermometers, people looked to the land and local lore to predict rain or shine. Have sophisticated statistical models and measuring tools changed the art of forecasting the weather that much?
You might think of weather as something that happens around your life. It could prevent you from taking a bike ride or inspire you grab an umbrella on your way out. But there's more to weather than its ability to thwart the best-laid plans.
It may seem like a perfectly reckless display of aeronautical wiles, but guiding an airplane into a swirling beast of a hurricane gleans data that can save lives. The only question is, who were the crazy mavericks who attempted it first?
When the earliest tornado on record was observed, onlookers called it a "steeple of fire." Technological advancements like the Totable Tornado Observatory have since helped demystify these powerful storms.
When the weather radio sends the ominous signal that a tornado is near, most people run for cover. But some die-hard adventurers get their jollies by chasing these violent storms. Who started this dangerous hobby?
Acid rain is caused by emissions of sulfur dioxide and nitrogen oxides from power plants, cars and factories. Find out how acid rain is produced, how it affects natural and man-made objects and how governments aim to reduce it.
As a dominant world power, there's not much that China doesn't affect or control outright these days, including the weather. How did the superpower produce flawless skies for the biggest party of the year?
For three years, ending in the spring of 2007, the state of Texas experienced a terrible drought. When a large storm system settled over the state late that spring, many Texans rejoiced. But then the rain continued. And continued. For 45 days, it didn't stop.
Tornado chasers generally stay about a mile away from the tornado itself -- but not IMAX cinematographer Sean Casey. He has built a Tornado Intercept Vehicle and hopes to withstand a direct hit. Check it out.