Our magnetic field protects us from blasts of solar radiation & likely existed soon after the planet formed. This may explain why Earth is habitable & Mars is not. Without our magnetic field, solar winds would strip away Earth's atmosphere & oceans.
For many years, scientists have been striving to understand the constantly changing structure and behaviour of the huge magnetic bubble that surrounds our planet. One approach – pioneered by Russian scientist Nikolai Tsyganenko .
Dogs use the Earth's magnetic fields to align their position while defecating, according to new research. A team from the Czech Republic and Germany studied the body positions of 70 dogs across 37 breeds while they excreted.