They do this at least partly through path integration — using information about direction and distance to return to a starting point.
In the sea, they travel in huge schools for thousands of miles, until they sense some inner signal, and the school reverses direction and begins to return home, to the place where its members were hatched.
One direction might be to return street photography to its roots in terms of vision or purpose.
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Though folk was marginalised by pop and rock in the 1970s, a glut of computerised music and a fragmenting recording industry have inspired moves in the opposite direction: players now want to return to traditional instruments and live performance.
Let me just tell you that you earn a lot of self-respect when you earn that sense of direction and common sense to return yourself back home.
Density-dependent effects can stabilize a population at a given level, the "carrying capacity", so that, if perturbed in either direction, it will tend to return to that level.
In a reflection of the different political pressures pulling the transatlantic allies in different directions, Downing Street undertook to return to the security council in a renewed effort to secure a UN mandate for military action after Russia blocked a British resolution at an informal meeting in New York.
To complete this test, participants will be required to step forward, sideways, and backwards over four canes resting flat on the floor in a cross formation, moving first in a clockwise direction and then counter-clockwise to return to the starting position.
Swipe that direction, then swipe immediately back to return the high-value tile to the corner.
