Turns out we're not the only species that uses the Earth's magnetic field to navigate—hammerhead sharks use it like a compass to guide them to warmer waters. 🧭 #OceanXplorers is now streaming on Disney and Hulu. | National Geographic Science

84K views · 1.8K reactions | A vast thinning of Earth's magnetic field stretching between South America and Africa has the attention of NASA scientists, who are concerned about what it might mean for technology beneath it. Read more: https://www.sciencealert.com/nasa-is-watching-a-huge-growing-anomaly-in-earths-magnetic-field Image credits: Division of Geomagnetism, DTU Space #nasa #science #astronomy #magneticfield | ScienceAlert | Facebook