Jon Cohen Sarah Crespi city Copenhagen covid-19 vaccine Jon Cohen Sarah Crespi city Copenhagen

All your COVID-19 vaccine questions answered, and a new theory on forming rocky planets

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Science Staff Writer Jon Cohen joins host Sarah Crespi to take on some of big questions about the COVID-19 vaccines, such as: Do they stop transmission?

Will we need boosters? When will life get back to “normal.”Sarah also talks with Anders Johansen, professor of planetary sciences and planet formation at the University of Copenhagen, about his Science Advances paper on a new theory for the formation of rocky planets in our Solar System.

Instead of emerging out of ever-larger collisions of protoplanets, the new idea is that terrestrial planets like Earth and Mars formed from the buildup of many small pebbles.This week’s episode was produced with help from Podigy.Listen to previous podcasts.About the Science PodcastDownload a transcript.

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Southern Ontario highway partially closed due to convoy demonstrations: police - globalnews.ca - Usa - Canada - city Detroit - county Windsor
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Southern Ontario highway partially closed due to convoy demonstrations: police
convoy demonstrations against COVID-19 measures.Police said the westbound lanes of the highway at Nauvoo Road have been shut down due to “high traffic volumes” from “freedom convoy” demonstrators.Drivers in the area are being asked to follow emergency detour route signage. Windsor-Detroit Ambassador Bridge access resumes after trucker protest blocked traffic “The OPP respects the right of everyone to freedom of expression and peaceful assembly,” police said.“The OPP asks everyone to be patient and respectful of each other despite potential inconvenience.”The closure is approximately 45 km away from the Blue Water Bridge crossing between Canada and the United States in Sarnia, Ont.It’s not clear if that’s where convoy demonstrators are intending to go.Part of Highway 402 was blocked on Sunday as well due to convoy demonstrations. Police have redirected commercial traffic to the Bluewater Bridge in Sarnia, Ont., and urged motorists to avoid the area around the Ambassador Bridge in Windsor, Ont.There, a protest against COVID-19 measures is blocking Canada-bound vehicles from crossing the Ambassador Bridge between Windsor, Ont., and Detroit for a third day.More to come.— With files from The Canadian Press#LambtonOPP have implemented a closure of westbound Highway 402 at Nauvoo Road to ensure public safety.
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