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±«Óãtv Two
Horizon
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Episodes
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Sleep Census
Information and Support
Main content
2011-2012
Horizon
Series exploring topical scientific issues
On iPlayer
Not available
Supporting Content
How to view the transit of Venus safely
—
The Transit of Venus
Duration:
2:34
Why is the transit of Venus so rare?
—
The Transit of Venus
Duration:
1:17
Barefoot surgery
—
Defeating Cancer
Duration:
2:32
Is it possible to replicate human intelligence?
—
The Hunt for AI
Duration:
2:40