Tumble Presents: Mystery Recipe

Sarah Richardson, a biologist, dreams of being of a farmer. Instead of tending to barns full of cows making milk, she'll have petri dishes full of bacteria. We're taking a break until 2017 to create m...

7 Loka 201612min

Where is the deepest part of the ocean, and have we been there in person? Ocean explorer Gaelin Rosenwaks answers with an amazing story of the first explorers to dive to a mysterious place called Chal...

23 Syys 201614min

Why do batteries - even rechargeable ones - die? What if there was a battery that lasted forever? Mya Le Thai, a young scientist, was sick of recharging her phone. So she set out make make a longer la...

12 Syys 201614min

Why are there so many different species of ants? That’s what entomologist Corrie Moreau wants to know. There are more species of ants than there are species of mammals and birds - combined! Her quest ...

26 Elo 201612min

Are cats evil, or just misunderstood? That's what our friends at Brains On debate for a panel of kid judges. Find out what they decide in this special guest episode! Plus, Lindsay and Marshall weigh i...

13 Elo 201612min

Why do fireflies flash their lights on and off, on and off? That’s what four curious kids want to know. Biologist Sara Lewis has studied fireflies for decades, and she’s cracked the code of their spec...

29 Heinä 201612min

We have a short and sweet summer episode for you! Charles Darwin is known as the father of evolution, but he got his start as a naturalist as a young man. He took an ambitious five year journey around...

15 Heinä 20168min

The Great Pacific Garbage Patch is a vast, swirling soup of trash, twice the size of Texas. Can we ever clean it up? That’s what 8 year old Ila wants to know. She lives in Hawaii and likes to pick up ...

1 Heinä 201614min