Earth's Magnetic Field may Invert

[Saab Dastard]

mag "North/south" swapping on numerous occasions before settling down

It's the poor bl00dy homing pigeons I feel sorry for. What carnage!

"Jeez, Mabel, the sun's rising in the West again today, how are we going to get home?"

And the birds flying South for Winter are going to get a bit of a shock as it gets colder...

SD

[M.85]

SAAB

M.85