A Question of Migration
10,000 Birds
MAY 19, 2011
Itcher birds, migratory members of the tern family. It turns out that humans without compasses make no use of magnetic fields.) The idea was to see if those without magnets taped to their heads got less lost then those with the magnets. People were doing things like that with birds, sharks, and humans. Specifically, Itcher Tern.
214 
Let's personalize your content