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Season 23 Episode
- Season 1 Jane Goodall
- Season 1 Shark Behavior
- Season 1 Virtual Universe
- Season 1 Polar People
- Season 1 Voyager
- Season 1 Wings Of Wonder
- Season 1 Sun's Lost Siblings
- Season 1 Super Solar Cells
- Season 1 Our Chemical Lives
- Season 1 Antivenom
- Season 1 Powering The Mind
- Season 1 Alien Technology
- Season 1 3D Virus
- Season 1 Future Cities
- Season 1 Quantum Computing
- Season 1 Peacock Spider
- Season 1 Allergy Pill
- Season 1 Cardiac Implants
- Season 1 Honey Bees
- Season 1 Extreme Weather
- Season 1 Fast Food For Hummingbirds
- Season 1 Ancient Writing
- Season 1 Tokyo Flood Prevention
- Season 1 Life Enhancing Drugs
- Season 1 Bioluminescence
- Season 1 Mega-tsunamis
Catalyst - Season 1 Episode 17 Allergy Pill
0.00 30 minutes In the western world there’s an epidemic of allergies. Could it be that our lifestyles are too clean? And that we’re not exposing ourselves to bugs that help build our immune systems? Is there bacteria that is good for us?
