Colin Lowther and Megan Nollet talk about the science behind DNA and what it tells us about our family history.
Alice Irizarry and Patrick Woodward talk about a most interesting bird and what was done to keep it from becoming extinct.
Would you want to race through snow? Liz Waid and Ryan Geertsma look at the famous Iditarod race, through the snow.
Roger Basick and Marina Santee talk about lying versus telling the truth and how it may not always be an easy decision to make. Do you prefer people to tell you the truth?
Ryan Geertsma and Marina Santee tell the story of Robert Scott. One hundred years ago, Scott battled the terrible conditions of Antarctica to explore the continent.
Gillian Woodward and Roger Basick tell about the ancient Nazca Lines in Peru and the different theories of how they were created.
On a frozen island in Norway, a building holds seeds from around the world. But why? Robin Basselin and Colin Lowther look at the Global Seed Vault.
Have you ever wanted to talk to an animal? Liz Waid and Nick Page share the story of one man who is trying to communicate with whales - through music!
Learn a new language called Seaspeak in today's programme. Colin Lowther and Marina Santee introduce us to a special kind of English used at sea.
Liz Waid and Joshua Leo look at why monarch butterflies are disappearing, and what people can do to increase the monarch population.