Electromagnetism is one of the four fundamental forces of nature. Learn about the relationship between electricity and magnetism, the different wavelengths on the electromagnetic spectrum, and how an invisible force protects our... Read more »
A total solar eclipse happens somewhere on Earth once every year or two. What is an eclipse? Learn more about how solar eclipses happen, the four types of eclipses, and how to... Read more »
About 30 meteor showers can be seen from Earth throughout the year. Learn the science behind meteor showers, the dates when showers like the Geminids occur, and the origins of wishing upon... Read more »
About 1,500 active volcanoes can be found around the world. Learn about the major types of volcanoes, the geological process behind eruptions, and where the most destructive volcanic eruption ever witnessed occurred.... Read more »
Earthquakes can leave behind incredible devastation, while also creating some of the planet’s most magnificent formations. Learn about the geophysics behind earthquakes, how they are measured, and where the most powerful earthquake... Read more »
Tornadoes are some of the most destructive forces of nature. Learn how tornadoes form, how they are rated, and the country where the most intense tornadoes occur. ➡ Subscribe: http://bit.ly/NatGeoSubscribe #NationalGeographic #Tornadoes... Read more »
What appears to be a fierce standoff is part of a tender ritual between two males polar bears. ➡ Subscribe: http://bit.ly/NatGeoSubscribe ➡ Get More Wildlife with Bertie Gregory: https://on.natgeo.com/2lNK5cQ #NationalGeographic #BertieGregory #WildlifeTheBigFreeze... Read more »
Filmmaker Bertie Gregory records the first-ever video of two predators facing each other in the Canadian Arctic. ➡ Subscribe: http://bit.ly/NatGeoSubscribe ➡ Get More Wildlife with Bertie Gregory: https://on.natgeo.com/2K5L1mg #NationalGeographic #BertieGregory #WildlifeTheBigFreeze About... Read more »