In this special road-trip collection of Tumble episodes, you'll hear all about scientists who are making a difference in their communities. This episode pack contains: 

• How to be Helping Scientist
• Reinventing the Wheel
• What to do about Trash? 

If you're a teacher and you want to participate in our group of teacher advisors, please follow this link to apply: https://bit.ly/TumbleTeachers