We continue to explore the phenomenon of hurricanes. Why are they so dangerous? And do they serve any purpose?

Columbus Day has always been a controversial holiday in the United States. In this video, Sigrid goes back in time to get some historical background, which sheds a new light on its significance.

Most Americans don't realize how Columbus Day came to be a national holiday, but it actually doesn't have that much to do with Christopher Columbus, and we might even recognize a connection to present-day events. To recall something Mark Twain once supposedly said, "History doesn't repeat itself, but it often rhymes."

The European Union has been in the news a lot lately, so let's take a look at what it's all about. What is a "union" and what's the purpose of this one?

Let's have a look at which countries are members of the European Union and where they are on the map.

EPK: Symphonicity Tour Rehearsals and European/ UK Announcement at Abbey Road Studios.

EPK: Part two of Sting's rehearsal together with the Royal Symphonic Orchestra, in preparation for the launch of their European "Symphonicity" tour. Enjoy!

Promotional video for the Strothoff International School Rhein-Main in Dreieich, outlining the school’s international approach and high educational standards.

When wolves were reintroduced to Yellowstone National Park in the United States after being absent nearly 70 years, the most remarkable "trophic cascade" occurred. What is a trophic cascade and how exactly do wolves change rivers? George Monbiot explains the process.

Two swimsuit models discuss the ins and outs of trading off their good looks and their probably unrealistic plans for the future after their assets have gone pear-shaped.

Triple-platinum singer/songwriter Taylor Swift threw a party for friends and media Monday night and the theme was the Prom. She was wonderful, as usual, and just a joy to watch her enthusiasm. A video by Jimmy Carter.

Do you care about the environment? If so, take a peek at the clip and learn from two children as they teach us what it means to be ‘green’. Taken from Little Pickle Press writer Rana DiOrio’s book What Does is Mean to be ‘Green’?, this clip gives us practical tips for helping preserve our beautiful planet and its scarce natural resources. Enjoy!

When you listen to music, multiple areas of your brain become engaged and active. But when you actually play an instrument, that activity becomes more like a full-body brain workout. What's going on? Anita Collins explains the fireworks that go off in musicians' brains when they play, and examines some of the long-term positive effects of this mental workout.

A look at the communications of Humpback Whales and other baleen whales, which includes how they sing, why they sing, and why we might consider their vocalizations actual songs.

Dolphins are one of the smartest animal species on Earth. In fact, their encephalization quotient (their brain size compared to the average for their body size) is second only to humans. But exactly how smart are they? This video shares some incredible facts about dolphins.