Main content
Why do we faint?
Why do humans faint but giraffes don't? The logic of swooning. Drs Adam Rutherford and Hannah Fry investigate.
Duration:
This clip is from
More clips from Discovery
-
![]()
A new space age?
Duration: 08:23
-
![]()
COP26: Bringing nature back to areas affected by deforestation
Duration: 02:41
