: Research on how dolphins use "signature whistles" to identify one another.
The provided subject line likely refers to a popular internet meme and shared experience involving the reading passages from the October 2015 PSAT . Students across the United States famously took to social media (primarily Reddit and Twitter) to joke about the specific, quirky narratives found in the exam. The PSAT Pstory Phenomenon [S2E4] PSAT Pstory
: A story about a woman named Herminia who struggles with her mother's expectations and a specific photograph. : Research on how dolphins use "signature whistles"
: A historical set of speeches regarding Reconstruction-era politics. [S2E4] PSAT Pstory
: A scientific passage about "Eastern Coyotes" or "Coywolves."
: The "P" in Pstory is a stylistic nod to the PSAT itself.