On today’s episode: Dreaming might be critical for learning to be scared of the right things. Earth’s water may have been locally sourced. And magnetic field reversals might be leading to mass extinctions!  All that and more today on All Around Science.

LINKS:

• ARTICLE: Sleep is vital to associating emotion with memory, study finds
• ARTICLE: The Milky Way may be swarming with planets with oceans and continents like here on Earth
• ARTICLE: A magnetic field reversal 42,000 years ago may have contributed to mass extinctions

THEME MUSIC by Andrew Allen https://twitter.com/KEYSwithSOUL http://andrewallenmusic.com

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