The United States and China will hold a delayed top-level security dialogue on Friday, the latest sign of a thaw in relations, as China’s vice president said Beijing was willing to talk with Washington to resolve their bitter trade dispute.
Thawing permafrost in Alaska’s Arctic is making it harder for oil companies to operate there. But a cottage industry has cropped up with new gadgets to help.
(Image credit: Mark Thiessen/AP)
Dwarf planet boasts icy winters and spring thaws
Dwarf planet boasts icy winters and spring thaws, Published online: 14 March 2018; doi:10.1038/d41586-018-03179-4
The seasons drive aquatic activity on Ceres.