Episode 61 (May 18, 2026)
Today’s Big Brain Idea: Evidence
Scientists learn by collecting clues—data, observations, and objects (like fossils). In this episode, kids can compare what “evidence” looks like in space science, paleontology, and ecology.
Story 1: SpaceX Dragon delivers supplies to the International Space Station
• What a “resupply mission” is and why astronauts need deliveries
• Automatic docking explained in kid-friendly terms
• Microgravity research: how studying bodies in space can help people on Earth
Story 2: An unusually complete stegosaur skull found in Spain
• Why stegosaur skulls are rare fossil finds
• How skulls help scientists infer eating habits and relationships between species
• Fossils as “time capsules” in rock layers
Story 3: River herring migration celebrated at a local festival
• Migration basics: why fish swim upstream to spawn
• How dams can block movement and how fish ladders help
• Rivers as connected habitats and food webs
Talk-It-Over Questions (for home or classroom)
• What’s one thing you would pack for astronauts if you could send a space delivery?
• How is a fossil like a puzzle piece that helps us understand the past?
Keywords: International Space Station, resupply mission, microgravity, stegosaur, fossil skull, migration, river herring, fish ladder, ecosystem.