Biosphere 2 hosted just two "sealed-in" crews, both during the 1990s.
This episode of Ungeniused is sponsored by:152: Six Flags
151: Six Flags New Orleans
150: Thingmaker
149: The Easy-Bake Oven & Juicero
148: False Memory
147: Another Trio of Weird Sports
146: Memphis Tanker Truck Disaster
145: The Spacecraft Cemetery
144: The Costa Concordia Disaster
143: Sleeved Blankets
142: Spite Houses
141: The Spaghetti-Tree Hoax
140: Flamingos 🦩
139: Big Food
138: Tardigrades
137: The San Francisco Cable Car System
136: The Voyager Golden Records
135: A Reading of SPAM-Kus
134: SPAM
133: Microsoft Bob
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