Barack and Michelle Obama take on some tough questions from very young constituents.

They may be too young to vote, but they certainly are curious. Barack and Michelle Obama answer some more questions from their very young constituents.

Go behind the scenes of Entertainment Weekly's cover shoot with Dwayne Johnson as he gets into the holiday spirit! He has fun playing “Dwanta Claus,” lists his favorite holiday movie and song, and talks about his appreciation of the gifts he receives from fans.

This performance of "Wonderful Tonight," one of Eric Clapton's later hits, features dynamic solos by Clapton and singer Katie Kissoon. Enjoy!

Here are some verbs that are handy when plans change. This segment features "to postpone," "to delay," "to procrastinate," and "to put off."

Here is one more verb to use when you want to avoid giving an answer: "to stall." Sigrid then sums up and gives you some tips for remembering all of the related verbs from both segments of this video.

Now we'll look at some verbs and phrasal verbs that use imagery to talk about plans and timetables that change. This segment is about "to shelve," "to put on ice," "to put on hold," and "to hold off."

This final segment is about two fun expressions: "to kick the can down the road" and the currently popular expression, "Delay, delay, delay." Then Sigrid sums up parts 3 and 4.

The city of Oxford is home to some 150,000 residents and a famous seat of learning, the oldest English-speaking university in the world. Although the exact date of its founding isn't known, it is said that local priests and monks were first taught in monastery schools in the area in the eleventh century.

Here is a short animated video about the importance of fisheries for food security, health and growth in developing countries, highlighting the commitment of the EU to helping promote sustainable management of seafood resources and inclusive opportunities for trade and growth.

This dazzling short film references the Rosetta mission of the European Space Agency, which intends unlock the mysteries of the comets and, in doing so, the origins of our Solar System.

Happy New Year to everybody on our beautiful planet Earth from the International Space Station!

Rosetta revisits the exciting scientific discoveries she has made during her time at Comet 67P/Churyumov-Gerasimenko, including the successful search to find Philae. Now it's time to start preparing to descend to the comet for the end of her extraordinary mission.

Eva Mendes talks about how PETA awoke her awareness for animal rights. Help to protect our nature and environment by clicking this link before you subscribe to Yabla.

The earth's bodies of water are the focus of this film about evolution. As the narrator points out, the vast depths of the earth's oceans remain barely explored.