Scientists are looking toward carbon removal or ideas to pull greenhouse gasses right from the atmosphere. NPR's Camila Domonoske joins us to talk about direct air capture, or machines that can pull carbon dioxide out of the atmosphere. And, as Democrats and Republicans go back and forth over border funding, The Washington Post's Arelis Hernández joins us to talk about what's really going on at the U.S.-Mexico border. Then, a new study published by the American Psychological Association found that keeping a joyful secret, like a promotion at work or plans for a marriage proposal, can make you feel better than sharing the news right away. One of the study's authors, Katie Greenaway, joins us.

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