Kelp is a fascinating plant. What we see on the surface has little in common with what's actually there. Californian harbor seals are mammals but they do a lot of hunting underwater.

Host Kaley Cuoco of The Big Bang Theory opens the 38th annual People's Choice Awards, which seems to be going smoothly until her monologue is crashed by Neil Patrick Harris of the TV series How I Met Your Mother.

Even though Prime Minister Boris Johnson has said he does not want a delay, he confirmed he would set aside the bill until speaking further with the EU. He thanked the House of Commons for their assent.

When someone is "on a roll," they are having success and it feels like it will continue. American singer Miley Cyrus, performing under the moniker "Ashley O" sings this song, which was featured in the science fiction television series Black Mirror.

Everyone's heard of California, but this documentary showcases the state's natural beauty and wildlife. It has a fascinating range of geographical features and is home to many unique species of animals.

Lil Nas X’s Billboard #1 hit "Old Town Road (Remix)" features country singer Billy Ray Cyrus and special guest appearances from Chris Rock, Haha Davis, Rico Nasty, Diplo, Jozzy, Young Kio, and Vince Staples. The video alternates between the song itself and some flash-back, flash-forward scenes on the "old town road."

Hollywood Vampires is an American rock supergroup formed in 2015 by Alice Cooper, Johnny Depp, and Joe Perry to honor the music of the rock stars who died from excess in the 1970s. The band name derives from The Hollywood Vampires, a celebrity drinking club formed by Cooper in the 1970s which included but was not limited to: John Lennon and Ringo Starr of The Beatles, Keith Moon of The Who, and Micky Dolenz of The Monkees. In this video they perform David Bowie's song "Heroes".

This is American actress and singer Hailee Steinfeld with “Most Girls," an empowering pop song. It celebrates life and being happy in our own skin, rather than conforming to anybody else’s idea of how we should be.

"Pompeii" from their album Bad Blood, was the breakthrough hit for British indie rock band Bastille. This wonderfully raw acoustic version of the song really showcases their vocal talents.

“How You Remind Me” is from Nickelback’s 2001 album Silver Side Up. Apparently written about a dysfunctional relationship, this power ballad obviously strikes a chord with many people, and is often considered to be the Canadian rock band’s signature song.

"Bad Guy," a song from Billy Eilish’s first studio album, When We All Fall Asleep, Where Do We Go? tells us that although she’s young, she’s not at all afraid to be bad. Any guy she knows had better watch out!

Nigella shows us how to make her indulgent and naughty southern style fried chicken. Her opinion is that deep fried foods are not always as unhealthy as they seem, and that you should just enjoy yourself.

Hasn't everyone tried to miss a day of school by pretending to be sick? Annette reads us a humorous poem by American poet Shel Silverstein about the very subject.

In this short animation, produced for primary school children by Green.TV, supported by the Wellcome Trust, we look at the remarkable evolution of the whale from a land-based dog-like animal to the marine mammal that became the world’s largest creature ever.

Anne-Marie shows us a section of a “Kata,” a series of defensive moves designed to fend off multiple attackers. Then she applies these techniques with Alex playing the role of the attacker as she demonstrates a part of the “Bunkai.”