What happened after the Chicxulub meteorite shook our world

More bad news for dinosaurs: Chicxulub meteorite impact triggered global volcanic eruptions on the ocean floor [Click here to view this message in your web-browser](. Edition: US 8 February 2018 [[The Conversation]Academic rigor, journalistic flair]( Editor's note Our planet was already a tumultuous place when the massive Chicxulub meteorite slammed into Earth. Scientists have long pondered how this extraterrestrial impact might have been related to intense volcanic activity and the mass extinction of dinosaurs, which were happening around the same time. New research from the University of Oregon’s Leif Karlstrom and Joseph Byrnes suggests the [meteorite set off an additional natural disaster]( – massive amounts of magma oozing up along the boundaries of undersea tectonic plates. Over the next few days, President Trump will decide whether to allow the release of a top secret House Intelligence Committee memo that Democratic leaders say refutes allegations of surveillance abuses in the FBI. An expert on government secrecy, Austin Sarat of Amherst College, asks, “Does the public have a right to "full transparency” about what its government does? [Or are there reasonable limits](?“ A "culture of passing” enabled many students at Ballou High School in Washington, D.C., to graduate despite missing large chunks of the school year. Shaun Dougherty from the University of Connecticut shines light on [the dilemmas chronically absent students create]( – and what allowing them to graduate does to the value of a high school diploma. Maggie Villiger Science + Technology Editor Top stories Seismic shockwaves after a meteorite’s collision could affect systems all over the planet. solarseven/Shutterstock.com [More bad news for dinosaurs: Chicxulub meteorite impact triggered global volcanic eruptions on the ocean floor]( Leif Karlstrom, University of Oregon; Joseph Byrnes, University of Minnesota Research suggests a new threat to life on Earth from the meteorite's crash: Via seismic waves, the impact triggered massive undersea eruptions, as big as any ever seen in our planet's history. House Intelligence Committee Chairman Rep. Devin Nunes. AP Photo/J. Scott Applewhite [Is full transparency good for democracy?]( Austin Sarat, Amherst College An expert on secrecy in government explains the downsides and limits of transparency. Millions of American students miss large chunks of the school year. Shutterstock.com [DC graduation scandal shows how chronic absenteeism threatens America's schools]( Shaun M. 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Today’s quote [As for the larger question of which treatments – Eastern or Western – are most effective, the research might not be crystal clear, but the medal counts might offer some clues.]( [When treating sports injuries, does the West do it best?]( Nate Newman Drake University [Nate Newman] [Follow us on Twitter.]( [Join us on Facebook.]( You’re receiving this newsletter from [The Conversation](. Not interested anymore? [Unsubscribe instantly](. We’ll miss you. 89 South Street - Suite 202 Boston, MA 02111