Gather items with Blippi and play "Sink or Float." The Blippi "Sink or Float" game is a fun science experiment for kids, helping Blippi to explain density and buoyancy. First, Blippi must fill a tank with water. Then he goes out to find some colorful objects to test.

Sigrid looks at the comparative and superlative forms of adjectives that have a "Y" or an "E" at the end, and also some that don't follow any pattern at all!

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.

What's happening with Brexit? In Parliament, Labour MP Karl Turner makes a curious analogy between debating an important bill and choosing a sofa. Turner said MPs required more time to debate "this incredibly important bill," adding that Nikki da Costa, the PM's legislative adviser, had suggested the House needed at least four weeks to consider the legislation.

With longer adjectives, we have to add some extra words in order to form the comparative and superlative. Sigrid explains how.

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.

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.

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.

"Big Yellow Taxi" was originally written by Joni Mitchell while she was in Hawaii and considering the effect of humans on their environment and how we often take things for granted. This version is performed by the band Counting Crows from Berkeley, California and features vocals by Vanessa Carlton.

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.

Opposition MPs react after parliament voted against Boris Johnson's extremely tight Brexit bill timetable, which the government said was necessary to reach the prime minister’s target of leaving the EU on October 31st.

"Nothing Breaks Like a Heart" is the lead single from British musician Mark Ronson’s album Late Night Feelings and features American superstar Miley Cyrus, with whom he co-wrote the song. It carries the unmistakable melancholy of something coming to an end, or as she sings, "Things fall apart, but nothing breaks like a heart."

The Ocean Cleanup is a Netherlands-based, non-government environmental engineering organization that develops technology to extract plastic pollution from the oceans. They have developed a "passive" cleanup system that takes advantage of the natural oceanic forces of wind, water, and currents.

This is Dido performing “Thank You,” the hit song from her debut album No Angel. Life is not always easy, but Dido is thankful to have a special person who makes everything all right.

The Blippi Sink or Float game is a fun science experiment for kids, helping to explain density and buoyancy. In this video, Blippi takes us to gather some interesting items, and still finds time to get dizzy playing on the playground. Then, he’s back indoors and ready to see which of the objects will sink... or float!