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Season 23 Episode
- Season 17 Batteries 24 Hour Renewable Power
- Season 17 Oxytocin, Crown of Thorns Starfish
- Season 17 Wi-Fried?
- Season 17 Out of Africa
- Season 17 Science of Sci-Fi Films, Mercury Hotspots
- Season 17 Music on the Brain
- Season 17 Micro-Plastics, Tassie's Secrets
- Season 17 If Pain Persists
- Season 17 Motorcycle Clothes, Gravitational Waves
- Season 17 Lavender and the Honey Bee, Tassie Fires
- Season 17 Blind Leading the Blind, Bionic Bra
- Season 17 Antibiotic Resistance
- Season 17 Short Sightedness In Children, Saving A Furry Friend
- Season 17 Exercise and Cancer
- Season 17 Becoming Superhuman (Part 1)
- Season 17 Becoming Superhuman (Part 2)
- Season 17 Meditation: Can It Really Change You?
- Season 17 Oldest Aussie Beer, Unboiling An Egg
- Season 17 Live Long Die Young
- Season 17 Stress and Cancer, Secrets of Pluto
- Season 17 Toxic Ticks
- Season 17 Soundscape, Juno's Mission
- Season 17 Gaming with Orang-utans, Stormageddon
- Season 17 Gut Reaction (Part 1)
- Season 17 Gut Reaction (Part 2)
- Season 17 Artificial Sweeteners, Antarctica Fossils
- Season 17 Stentrode, Fantastic Journey
- Season 17 Alzheimer's - Can We Prevent It?
- Season 17 Gene Editing, Is There Life On Mars?
- Season 17 Making Dogs Happy (Part 1)
- Season 17 Making Dogs Happy (Part 2)
- Season 17 Smell: Our Most Underestimated Sense
- Season 17 Hidden Secrets Of Art, Out Of Africa
- Season 17 Forensic Future, Alien Megastructure
- Season 17 Coral Bleaching
- Season 17 Plain Of Jars, Tiny Satellites
- Season 17 Testosterone, Dr. Jane Goodall
- Season 17 Medicinal Cannabis
- Season 17 Tick Bites, Swift Parrot
- Season 17 The Anthropocene
Catalyst - Season 17 Episode 30 Making Dogs Happy (Part 1)
0.00 30 minutes We all like to think our dogs are really happy with us, but how can we be sure? New research suggests most of us can't even tell. Are our dogs really happy & can we use science to make them happier?
