How Pregnancy Changes the Brain, and How Lizards Make DIY Scuba Gear

In this week’s news roundup: Earth might have previously had a
giant ring of space rocks like the one around Saturn, “scuba
diving” lizards are using bubbles to breathe, and a new study
mapped brain changes in a person throughout pregnancy.
Additionally, we describe how NASA’s stranded astronauts will vote
from space. E-mail us at sciencequickly@sciam.com if you have any
questions, comments or ideas for stories we should cover! Discover
something new everyday: subscribe to Scientific American and sign
up for Today in Science, our daily newsletter.  Science
Quickly is produced by Rachel Feltman, Fonda Mwangi, Kelso Harper,
Madison Goldberg and Jeff DelViscio. This episode was edited by
Anaissa Ruiz Tejada. Shayna Posses and Aaron Shattuck fact-check
our show. Our theme music was composed by Dominic Smith. Learn more
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