Deliberately doomed dart

from  Science in Action

Nov 25, 2021

 

DART is a space mission designed to hit a distant asteroid and knock it slightly out of orbit. It’s a test mission, a pilot project for a way of potentially protecting the earth from a stray asteroid. We hear from mission coordinators Nancy Chabot and Andy Rivkin, both from the Applied Physics Labs, APL, of Johns Hopkins University. A new kind of Covid-19 vaccine has successfully undergone preliminary tests. Tuebingen University’s Juliane Walz tells us about how it hopes to stimulate a longer l...more

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