The Conversation

Why Wall Street is like a used car lot

Written by Steven Pressman, Professor of Economics, Colorado State University

In 1792, before there was the internet, the telephone or even the telegraph, securities trading began on Wall Street.

A small group of dealers, who met under a buttonwood tree on Wall Street, agreed to trade only with each other and established a minimum fee for their service. At that time, most trading involved the buying and selling of...

America's broadband market needs more competition

Written by Hernán Galperin, Research Associate Professor of Communication, University of Southern California, Annenberg School for Communication and Journalism

How many people are trying to connect America's cities?Network workers via shutterstock.com

The United States is home to some of the most creative people and businesses on the planet. Our filmmakers, artists, software engineers and scientists entertain the world and expand the boundaries of human knowledge. Their creative process is often a...

Communicating climate change: Focus on the framing, not just the facts

Written by Rose Hendricks, Ph.D. Candidate in Cognitive Science, University of California, San Diego

How you package the information matters.Frame image via www.shutterstock.com.

Humans are currently in a war against global warming. Or is it a race against global warming? Or maybe it’s just a problem we have to deal with?

If you already consider climate change a pressing issue, you might not think carefully about the way you talk about it...

Can the government save money by privatizing prisons, Medicare and other functions?

Written by Richard Lachmann, Professor of Sociology, University at Albany, State University of New York

A detention center in Eloy, Arizona. AP Photo/Ricardo Arduengo

Should we run the government like a business?

Donald Trump seems to think so. During his campaign for president, Trump returned again and again to his supposed success as a businessman and promised government programs “under budget and ahead of schedule.” His hotel in...

What would Mark Twain think of Donald Trump?

Written by Jeffrey Wasserstrom, Professor of Chinese and World History, University of California, Irvine

Twain was an opinionated, prolific commentator on the personalities and political issues of his day.Terry Ballard/flickr, CC BY

Thanks to the criticisms they’ve leveled in articles, interviews, tweets and letters to the editor, we know that many contemporary authors, from Philip Roth to J.K. Rowling, have a dim view of Donald J. Trump.

But...

Tooth be told: Millions of years of evolutionary history mark those molars

Written by Debbie Guatelli-Steinberg, Professor of Anthropology, The Ohio State University

Upper teeth of a Neanderthal who lived about 40,000 years ago.Debbie Guatelli-Steinberg, CC BY-NC

“Show me your teeth and I’ll tell you who you are.” These words, attributed to 19th-century naturalist George Cuvier, couldn’t be more correct. The pearly whites we use every day over and over and over again are clues not just...

March Mammal Madness tournament shows the power of 'performance science'

Written by Katie Hinde, Associate Professor, School of Human Evolution and Social Change, Arizona State University

In early March most science professors are writing midterms and eagerly awaiting spring break to catch up on research. We’re no exceptions, but we are also preparing to emcee a tournament like no other, with thousands of “spectators” in the United States and worldwide: March Mammal Madness.

This epic event mimics the National...

Why China may want to repair its fraught relations with the Vatican

Written by Thomas M. Landy, Director, McFarland Center for Religion, Ethics and Culture, and Director, Catholics & Cultures initiative, College of the Holy Cross

Christianity has grown at a rapid rate in China.Catholics & Cultures, CC BY-NC-SA

A 65-year-long split between China and the Vatican may finally be getting repaired. Hong Kong Cardinal John Tong recently indicated that there might be an agreement over the thorniest issue between the two sides – Vatican’s right to appoint its own...

Are Puerto Ricans really American citizens?

Written by Charles R. Venator-Santiago, Associate Professor of Political Science and the Institute for Latino Studies, University of Connecticut

Pro-statehood supporters at the seaside Capitol in San Juan, Puerto Rico.AP Photo/Danica Coto

In a recent poll, 41 percent of respondents said they did not believe that Puerto Ricans were U.S. citizens, and 15 percent were not sure. Only 43 percent answered that Puerto Ricans were U.S. citizens. Today, being born in Puerto Rico is tantamount to...

How Republicans and Democrats can both keep their promises on health care

Written by Darius Lakdawalla, Quintiles Professor of Pharmaceutical Development and Regulatory Innovation, USC, Professor of Pharmaceutical Development and Regulatory Innovation, University of Southern California

Medical students protest outside the office of Sen. Rob Portman (R-Ohio) to express their views on changes to Obamacare. Tony Dejak/AP

Republicans who want to repeal the Affordable Care Act (ACA) emphasize the importance of patient choice and market efficiency. Democrats opposing repeal focus on the need to protect the most vulnerable.

As...