Rather than a tracking tag telling scientists where this shark traveled, its violent removal let them observe an unexpected regeneration process.
Josh Schellenberg
After scientists’ GPS tracking tag was violently removed from one shark’s dorsal fin, they were in for a surprise: The wound didn’t just heal, but the missing tissue grew back.
Daoism, which emphasizes harmony with nature, can inform individuals on their relationship with the environment.
Ma Yuan 'Walking on Path in Spring.' National Palace Museum via Wikimedia Commons
An unexpected case of rabies found in an animal can raise concerns for a potential outbreak. Proactive vaccination of both wildlife and people can help protect everyone.
Donald Trump has claimed that presidents are immune from prosecution for official acts.
AP Photo/Toby Brusseau
The former president has raised several legal arguments that do not yet have clear answers. A constitutional scholar says they’re questions worth asking.
Fish swim in a reef at Pearl and Hermes Atoll in the Northwestern Hawaiian Islands.
AP Photo/Jacob Asher
Though Arab Americans voted overwhelmingly for Joe Biden in the 2020 presidential election, polling suggests that support has eroded since the Oct. 7 Hamas attack against Israel.
In South Korea, there are nor enough young Korean women for young Korean men to marry.
RUNSTUDIO/Getty Images
Following a 30-year boy-to-girl birth rate imbalance, up to 800,000 ‘extra’ men born since the mid-1980s will be unable to find a South Korean woman to marry. That has big demographic consequences.
Catarina was revered in Puebla, Mexico – but devotion to her attracted Catholic authorities’ disapproval after her death.
Image from the collections of the Biblioteca Nacional de España
Accounts of Asian American history often stop at the US border, but Asians were living in Latin America for centuries before the Declaration of Independence.
Effects of legalization on college application rates are short term.
wildpixel via iStock/Getty Images Plus
New research shows colleges attract interest from higher-caliber students when the schools’ home states allow their citizens to get high.
More emergency medicine residencies have gone unfilled in the past two years, especially in South Florida, Detroit and Philadelphia.
Paul Hennessy/SOPA Images/LightRocket via Getty Images
The US Supreme Court faces a case with huge repercussions for the 2024 presidential election – and American democracy. An election law scholar explains why.
Social media and cellphones connected President Trump to the Jan. 6 insurrectionists.
Andrew Caballero-Reynolds/AFP via Getty Images
As the nation approaches the 70-year anniversary of Brown vs. Board of Education, an education professor lays out the state of school segregation in America.
Former Harvard President Claudine Gay, left, speaks as former University of Pennsylvania President Liz Magill listens during a House hearing in December 2023 − before they both resigned.
AP Photo/Mark Schiefelbein
While medical school may teach students about how the body works, it often neglects the social, political and cultural factors that determine health and disease. The humanities can help.
Much like learning the skills to climb a mountain – or any other form of physical activity – resilience can be developed.
mihtiander/iStock via Getty Images Plus
China has a lot of vacant retail space, including many underused shopping malls. An urban policy scholar describes how the Chinese are rethinking what the mall is for.
Donald Trump has mounted a major effort to teach people how to caucus for him.
AP Photo/Charlie Neibergall, File
Donald Trump’s Iowa caucus campaign is very nuts-and-bolts. That may be a recognition that celebrity will only take him so far and attention to traditional political tools might be in his interest.
Sometimes it just takes one naysayer to illuminate a problem everyone else is ignoring.
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A legal scholar argues that assigning a designated contrarian and rotating this role over time will help nonprofit boards resist the dangerous pull toward passivity and deference.
Martin Howard, left, and Stephen Hopkins came to opposing conclusions about their colonial British identities.
Howard: John Singleton Copley via Wikimedia Commons; Hopkins: New York Public Library
What might appear to be common values about shared political and cultural identities can at times serve not as a bridge joining people together but a wedge driving them apart.
Mountain chickadees struggle with snow extremes.
Benjamin Sonnenberg
These tiny songbirds have extraordinary memories for the tens of thousands of spots where they hide food. But that doesn’t help when heavy snow blocks their access.
Guests attend a rally for former U.S. President Donald Trump on Dec. 19, 2023, in Waterloo, Iowa.
Scott Olson/Getty Images
A political scientist traces the development of the first-in-the-nation Iowa caucuses and how the small, rural state became influential in presidential politics.
Two pundits – Jonah Goldberg, left, and Paul Begala, second from right – discuss politics with journalists Kristen Holmes and Jake Tapper.
The Conversation
Pundits are everywhere, giving their analyses of current events, politics and the state of the world. You’ll hear a lot more from them this election year. Is their rank opinion good for democracy?