Biosphere 2 had a thousand sensors monitoring its air and water. Our senses, which should perceive toxicity, are numbed. Yet we are in a human experiment of life-changing opportunity.

At the time, they and their six teammates were sealed inside Biosphere 2, a 91-foot-tall, 3.14-acre experimental complex outside Tucson, Arizona.

Inside Biosphere 2. Season 2016 Episode 26 | 14m 30s Video has Closed Captions | CC. Craig goes to Biosphere 2 and to see the science of recreating the Earth's ecosystems. Aired 06/02/2016 | Rating NR ...

The Biosphere was built in 1991 and the original Biosphere experiment lasted until 1993, exploring the interaction between humans and nature, as well as possible techniques that could be applied ...

Inside Biosphere 2, five "wilderness" zones — rainforest, ocean, savanna, marsh, and desert — emulated Earth's ecosystems. They helped scrub carbon dioxide from the air and generated oxygen.

Biosphere 2 Poynter, who spent her 30th birthday inside B2, had been on the design team, working on the project for years before she was handpicked as one of the select few. Advertisement ...

The glass doesn't allow any UVA or UVB, so you're not going to get a suntan inside Biosphere 2. But as you can see, the plants here have been growing for nearly 35 years, and they're massive, and ...

TUCSON, Ariz. — A four-person crew will soon be locked inside a pressurized habitat at the University of Arizona's Biosphere 2, marking the first time such a mission has been conducted at the ...

Biosphere 2 is 3.14 acres of science. Inside, human-made ecosystems are dedicated to helping us understand the future of our planet. A world within walls, where habitats grow and research thrives ...

We only get one Earth, but when you step inside, you walk into something out of this world – a second Mother Earth called Biosphere 2.