It is a finely built boat designed for long-distance navigation
made without the use of blueprints and was taught to be made from one generation to another using an ancient technique that has been preserved and is still employed by boat makers of Sibutu island.
Among the topics are DNA damage and repair in vascular disease, the neural basis of long-distance navigation
in birds, cortico-basal ganglia circuit function in psychiatric disease, and vascular growth factors and glomerular disease.
Since long-distance navigation
and landmarks played so critical a role in this mission, a map or two may have helped the reader visualize its scope and scale.
He added: "For long-distance navigation
and doing a journey the first time, they will use their in-built compasses and take sun and star bearings.
''For long-distance navigation
and birds doing a journey for the first time, they will use the in-built compasses and take sun and star bearings.
encompasses a wide range of animal movements, from the circumglobal migrations of the arctic tern to the return flights to the nest of homing pigeons, covering tens to hundreds of kilometers (Able, 1996).