In the coastal town of Laguna, Brazil, a strong bond has formed between wild dolphins and local fishermen over generations. The dolphins herd schools of fish towards the shoreline and then give distinct signals telling the fishermen when to cast their nets.

In the United States, a presidential inauguration takes place every four years. The US now has a new president, Joe Biden, and Kamala Harris was sworn in as the first woman vice president. Part 1 of this video takes a look at the day before the inauguration.

The Jonas Brothers have reunited! "Only Human" is a reggae-pop song that features a groovy bass, brass and percussive cadence. The music video is shot to look like a concert filmed with a camcorder in the 1980s.

Ed Sheeran released this acoustic ballad as a Christmas gift to his fans after having retreated from public life for over a year. Fans have concluded that the song is a love song and seems to be about the birth of his daughter.

Are you ready to think fast again? You've got this! You get four seconds to come up with each answer. Then repeat the video to make sure you really know all the words!

In Jimmy Kimmel’s new role as “lie detective,” he feels that we ought to be honest with kids, and expect honesty from them in return. Young Aaron is the next victim of the lie detecting machine, as he struggles to convince Jimmy that he’s spent time in space and has a hippo at home.

Jake Peralta may be a talented detective, but he doesn't exactly do things by the rules. In this clip from the series Brooklyn Nine-Nine, Captain Raymond Holt lectures him in front of his colleagues.

At a privately-owned wildlife park in South Africa, Or Lazmi has integrated herself into a group of four lions. Having known her since they were cubs, the lions treat her as a dominant figure and allow her to get extremely close.

The dwarves have long held great wealth, hidden in golden hordes. In verses of song, they tell their history of generations at work beneath the mountain who formed their gold, silver, and jewels into fine treasures and works of art.

Sigrid describes an object and gives you about 4 seconds to come up with the name of the object. Then she gives you the answer. Watch the video twice to see if you can come up with the answer on your own.

Talk show host Jimmy Kimmel wanted to help teach kids the importance of telling the truth. He hooks up seven-year-old Blake to a fake lie detector test, and tricks the poor boy into saying anything he wants.

If you had to guess, which countries in the world would you say have the largest numbers of foreign born residents? This video presents some interesting facts about the diverse populations of 10 different countries.

There’s a magic in dwarves' song, and something stirs deep inside of Bilbo. For once in his life, might he be persuaded to leave the comfort of Hobbiton and see the great mountains, trees, and waterfalls that lie beyond the Shire?

This song by singer-songwriter Katie Melua was recorded live in Berlin for the In Winter (Special Edition), and features the Gori Women's Choir.

If a hotel with an infinite number of rooms has an infinite number of guests, how could it free up space when new guests arrive? Hilbert's “Grand Hotel” paradox has fascinated mathematicians, physicists, philosophers, and theologians, as it encourages another way of thinking about the notion of infinity.