"Hi, I'm scientific American podcast editor, Steve Mirsky. And here's the short piece from the June two thousand nineteen 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 science and technology stories for round, the globe compiled by editorial contributor, Jim Daly from Canada. Archaeologists have now confirmed that Toronto service Rex skeleton found in the nineteen nineties at a fossil site in Saskatchewan is the biggest and heaviest on record at nearly forty two feet long almost twenty thousand pounds. Scotty as it's called surpassed the record set by the famous sued t Rex which was found in South Dakota in nineteen ninety from Argentina are gala GIS identified a site, where ancient humans killed and butchered giant ground sloths, mega theory, American. Madam in the pampas region in eastern Argentina, the find provides evidence that Uman's contributed to the sloths extinction from Kenya. A science teacher who won the two thousand nineteen global teacher prize announced he intends to donate, the one million dollar award to benefit society, Peter to Beechy a Franciscan friar mentors, a science club that came in, I in its category in the two thousand eighteen Kenya's science and engineering fair from the autonomous island of Anjouan in the union of the Cymru's, that's in the Indian Ocean between the east coast of Africa, and the northwest end of Madagascar geochemists at Columbia University, found a load of court site, a metamorphosed rock formed from sandstone on the island of Andrea on the island is volcanic, and had been thought to contain only Ignace rocks. And from North Korea physicists at Kimmel sung universe. City in Pyongyang have brokered a rare green to collaborate with Italy's international school for advanced studies in Trieste, the North Koreans will study, computational neuroscience with talion physicists that was quick hits by Jim Daly."