PARIS — Dancing turtles have proved for the first time that some animals use Earth's magnetic field to create a personal map of their favorite spots, scientists said on Wednesday. Some animals that ...

Some animals that migrate across the globe -- such as birds, salmon, lobsters and sea turtles -- are known to navigate using the magnetic field lines that stretch from Earth's north to south pole.

Dancing turtles have proved for the first time that some animals use Earth's magnetic field to create a personal map of their favourite spots, scientists said. Some animals that migrate across the ...