Organ transplants: Lung has blood type changed in step towards universal donors

Using two enzymes, researchers changed a donated lung from type A to type O, which can be accepted by any recipient Health 16 February 2022 By Alex Wilkins Researcher Aizhou Wang with a system that delivers fluid to a donated lung University Health Network Researchers have successfully changed the blood type of a donated human … Read more

Space shuttle Challenger and the disaster that changed NASA forever

The space shuttle Challenger — during its 10th launch – on Jan. 28, 1986, exploded 73 seconds after liftoff, killing all seven crewmembers and changing NASA’s space program forever. Challenger was the second shuttle to reach space, in April 1983. It successfully completed nine milestone missions during nearly three years of service. In total, the … Read more

Arctic ‘ring of fire’ solar eclipse of 2021 changed southern auroras. Here’s how.

A solar eclipse on one side of Earth stimulated aurora displays on the opposite side of our planet, according to a new study. The “ring of fire” or annular solar eclipse of June 10, 2021, passed over sparsely-populated regions near and within the Arctic Circle in Canada, Greenland and Russia, and appeared as a partial … Read more

Covid-19 news: Isolation rules for covid cases changed in England

By Michael Le Page, Clare Wilson, Jessica Hamzelou, Sam Wong, Graham Lawton, Adam Vaughan, Conrad Quilty-Harper, Jason Arunn Murugesu and Layal Liverpool The NHS covid-19 app counts down the days left of isolation after a positive test Sara Sadler/Alamy Latest coronavirus news as of 11am on 22 December Officials say isolating for 10 days avoids … Read more

Space law hasn’t been changed since 1967 – but the UN aims to update laws and keep space peaceful

This article was originally published at The Conversation. The publication contributed the article to Space.com’s Expert Voices: Op-Ed & Insights. Michelle L.D. Hanlon, Professor of Air and Space Law, University of Mississippi Greg Autry, Clinical Professor of Space Leadership, Policy and Business, Arizona State University On Nov. 15, 2021, Russia destroyed one of its own old satellites using a missile … Read more

How human height has changed: Our ancestors were relatively short – and only started reaching modern heights 150 years ago

Until around 150 years ago, humans were relatively short – but our recent growth spurt may have more to do with social factors than dietary ones Humans 2 December 2021 By Michael Marshall A man measures a woman’s height Image Point Fr/Shutterstock For most of our history, humans have been short, a study has found. … Read more