Hi, I'm Scientific American assistant news editor Sarah Lewin Frasier.And here's a short piece from the August 2020 issue of the magazine, in the section called Advances: Dispatches from the Frontiers of Science, Technology and Medicine.The article is titled "Quick Hits," and it's a rundown of some noncoronavirus stories from around the globe.From Canada:A new study models how a gigantic, morphing blob of liquid iron in Earth's outer core underneath the Canadian Arctic is losing its grip on the North magnetic pole.A second, intensifying blob below Siberia is pulling the pole away.From Scotland:A geologic-dating effort suggests the fossil of a millipedelike creature found on the island of Kerrera formed 425 million years ago,making it possibly the oldest-known fossilized land animal. (Older land animals have been spotted indirectly, through preserved tracks.)From Tanzania:Researchers discovered Africa's largest-ever collection of fossilized human footprints, left in volcanic mud about 10,000 years ago.Many of them came from a group of 17 people, mostly women, all walking in the same direction.From Norway:Archaeologists are excavating a 20-meter Viking ship, buried below a farmer's field, to stop a wood-eating fungus from destroying it.Ground-penetrating radar had found the ship in 2018, and a new wood sample analysis revealed that it could not be preserved underground.From Zambia and Mongolia:
