Extra Credit: Our pick of stories from around the web that bridge the gap between news and scholarship. Brought to you each Tuesday from the editors of JSTOR Daily.

What does birthright citizenship do? (Pacific Standard)
by Francie Diep
The Constitutional principal of birthright citizenship has recently become a subject of controversy among Republican presidential candidates. A German policy change in 2000 created a natural experiment that researchers have used to explore what happens when a nation allows immigrants’ children to become citizens. Basically, assimilation happens.

Why lip-smacking horrifies some people (Slate)
by Megan Cartwright
Do you find yourself wanting to run out of the room when other people are chewing food and smacking their lips? You may have a diagnosable medical disorder. One sufferer explores the research on this unusual condition.

The perils of English-only research (The Atlantic)
by Adam Huttner-Koros
A review of scientific journals shows the English language becoming ever-more dominant as the language of science. What do we lose when the gateway to the research community is fluency in a single language?

What color is that concerto? (The Conversation)
by Stephen Palmer and Karen B. Schloss
Researchers asked people what colors they thought of when listening to different musical selections. The answers were strikingly consistent, and all about emotion.

Passing trauma down in our genes (The Guardian)
by Helen Thomson
A new study has found that holocaust survivors passed stress-related genetic changes down to their children. This is a major step toward a scientific understanding of the way people’s experiences long before they become parents can change the way their children’s genes are expressed.

Have you seen a story online that does a good job of bridging the gap between the news and scholarship? Or something that seems particularly well-researched? Let us know and we may include it in next week’s roundup. Email us at jstordaily_submissions (at) jstor (dot) org.