Blog

Avian Navigation System

The avian navigation system is rather complex, based on many factors, and it even used two aspects of the magnetic field. If, in a given situation, one can show that the receptors in the beak have no effect, that does not mean that they do not have one in another situation! Anaesthesia of the upper…

Some thoughts on The Migration of the Arctic Terns by George Nissen

See www.arctictern.info see the google tour You can see the tern’s tracks from their breeding grounds in Greenland in the Arctic (in yellow) to their wintering grounds in Antarctica. The white track is the averaged return flight. The terns dawdle down to their Antarctic wintering grounds looking for food etc. The Earth’s Prevailing winds. Note:…

Avian Navigation

www.bbc.co.uk/news/science-environment-17855194 Please look at this link as it covers important ground on Avian Navigation.  You will see that one of our heroes David Keays has established that the magnetite structure in the beaks of pigeons does not exist.  The magnetic theory still has problems because you cannot navigate using a compass without knowing where you…

Memory is not in your head

Rupert Sheldrake has recently written a book entitled The Science Delusion. In this book he dedicates two chapters to this subject: “Are memories stored as material traces?” and “Are minds confined to brains?” The prevailing idea is that all our memories are stored in our heads.  However, there are a lot of problems with this…