S5 E4: An Earth Day Celebration

Our hero’s quest is far from over! This time, Emma dives deep underground, into the world’s longest cave system. What can she learn down there, what animals is she going to meet, and who will take the lead in the 'QUEST FOR THE BEST'?———————————Are you a card-carrying Earth Range ...  Show more

Today's challenge is to visit an especially unique ecosystem and Emma has found just the right spot in a place called the petrified forest. But where are all the trees? And what exciting animals is she going to meet today, and can she build up her lead against Ryan in the 'QUEST ...  Show more

Today, you’ll learn about the fastest mini robots ever created, how Bigfoot sightings may help scientists study bear populations, and the link between financial stress and poor health. Insect Robots Mini-robots modeled on insects may be smallest, lightest, fastest ever developed. ...  Show more

Tens of thousands of animal species are facing extinction, mostly because of human activity. But thanks to conservationists, there are some animals that are making a comeback. This is part four of “The New Conservationists,” a four-part series about the evolving world of animal c ...  Show more

This winter marks the 125th year of Audubon’s Christmas Bird Count, in which bird nerds across the Western Hemisp ...

Static electricity plays an invisible role in the natural world, and it may even help insects pollinate plants. To understand this hidden force, scientists have jumped through some pretty weird experimental hoops — and “walked” butterflies through literal hoops. Guests: Sam Engla ...  Show more