成人快手
成人快手page
Accessibility links
Skip to content
Accessibility Help
Notifications
成人快手
News
Sport
Weather
iPlayer
Sounds
Bitesize
CBeebies
C成人快手
Food
More menu
成人快手
News
Sport
Weather
iPlayer
Sounds
Bitesize
CBeebies
C成人快手
Food
Close menu
成人快手 Two
Horizon
成人快手
Episodes
Clips
Galleries
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
