Science Environment National This week in science: biodegradable plastic, crops on Mars and deer vs. caribou 6:27pm May 02, 2024 Animals Space Share URL copied to clipboard! Play Pause There was an error loading the media player. Copyright 2024 NPR. To see more, visit https://www.npr.org. 300x250 Ad More All Things Considered National Pod Corner: 'Uncuffed' Politics & Government Trump's trials update 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate