Lucianne Walkowicz: Should We Be Using Mars As A Backup Planet?

Lucianne Walkowicz is all for space exploration, but says we shouldn't expect Mars to save us from a damaged Earth. She warns us not to lose sight of preserving the home we already have.(Image credit: James Duncan Davidson/TED)

Source: NPR Health and Science - December 21, 2018 Category: Consumer Health News Authors: NPR/TED Staff Source Type: news