来自MSN3 个月
The Earth’s Magnetic North Pole Is Moving — Here's What That Means for the Planet
Besides the geographic North Pole — an area that some children worldwide recognize as ... Sometimes the magnetic North Pole and South Pole do switch places. So how does the shifting of these ...
National Geographic news7 年
Diving Earth's Most Inhospitable Places—With Kids in Tow
In 2010 divers Ghislain Bardout and Emmanuelle Périé-Bardout took their Siberian husky, Kayak, to the North Pole to explore the ... past the tip of South America, on to Antarctica, and then ...