The study found that peppermint oil, eucalyptus, menthol, capsaicin and other herbal preparations may be helpful. Calyptus, menthol, capsaicin and other herbal preparations.(1) Try my recipe for homemade muscle rub to ease muscle pain.
The Earth's magnetic field, which protects us from potentially dangerous solar radiation, is gradually losing its stability. No need to move underground or build space colonies just yet, though: the changes are taking place over millions of years.
Geophysicists are pretty sure that the reason Earth has a magnetic field is because its solid iron core is surrounded by a fluid ocean of hot, liquid metal. The flow of liquid iron in Earth's core creates electric currents, which in turn creates the magnetic field.