Lara Boyd talks further about behavior bringing about changes to the brain, and about why it's so hard to recover after a stroke.

Kaley Cuoco talks about the terrifying trip to New Zealand with her boyfriend's family that ended in her swinging through a canyon.

In a TEDx Talk, brain researcher Dr. Lara Boyd talks about neuroplasticity, how we learn, and how short-term and long-term memory work.

A look at how lexicographers started creating the Dictionary of the English Language to ensure that everyone spelled words correctly and knew their correct definition.

Michelle Obama continues discovering how shopping works for normal people. Meanwhile, Ellen purposely annoys her every step of the way

George Clooney discusses his long lasting partnership with Nespresso and what makes it his coffee of choice.

Mayda del Valle, a poet whose work has helped to raise the bar in poetry circles all over the world, performs her piece "a faith like yours" at the White House Evening of Poetry, Music, and the Spoken Word.

In the 17th Century, scientific research influenced the invention of English words relating to physics, chemistry, and anatomy.

The phenomenon of tonic immobility helps researchers study sharks, but does it also help orcas hunt and kill them?

Have you ever been unsure as to how elections work in the US on a federal and state level? This video explains it all.

Some orcas do prey on sharks, but how do they do it? Researchers also have to catch sharks occasionally, and there is a particular technique that they use.

Created in 1611, The King James Bible permanently shaped the English language with new phrases that are still in use today. How many of them do you know?

So if an orca attacking a shark is so rare, how do they usually behave? In this segment, we learn about how orcas around the world live and hunt.

Our friends at Numberphile provide a detailed look at how the game Connect Four is won or lost.

Why would a killer whale go after a great white shark? Enter Alisa Schulman-Janiger, a biologist who is very familiar with the different families of killer whales off the coast of California.