Eighty years ago, when sun exposure was first associated with skin cancer, popular culture was exalting tanning by emphasizing that a “fine brown color suggests health and good times, and is a pleasant thing to see."

We know that sun exposure can be deadly, and today’s public awareness campaigns strongly focus on sun avoidance to...

For the bulk of our evolutionary history, human groups were small, tightly knit communities. Only quite recently, some human groups started evolving into the large-scale societies with vast interconnected trade networks we know today. Urban areas in...

We’re looking for two dynamic and experienced journalists to join The Conversation US team based in Atlanta.

Do you have a passion for communicating medical research and the latest debates on health policy? The new Health and Medicine Editor will cover a range of issues – from the emerging link between allergies and antibiotic overuse...

Last week, the diehards had their say in Iowa. Last night in New Hampshire, the independents took their turn.

The Iowa Caucuses are time consuming and only the most committed or ideological partisans show up.

But New Hampshire’s election laws allow people to vote in the primaries even if they are not registered with one of the parties. These...

Twenty-four percent of U.S. teens say they’re online “almost constantly.” Now much of that time, it seems, is spent incessantly compiling and navigating vast collections and streams of images.

In a 2014 survey, the photo sharing app Instagram supplanted Twitter as the social media platform considered “most important”...

Last Thursday, President Barack Obama visited a mosque at the Islamic Center in Baltimore, Maryland. He delivered an unusually long and nuanced speech on the status of the Muslim community in the United States.

Because of the recent terrorist attacks in Paris and San Bernardino, in combination with the over-the-top rhetoric of Donald Trump and...

In 1998, the U.S. Congress passed the Copyright Term Extension Act of 1998 (CTEA). CTEA expanded on the Copyright Act of 1976 by retroactively extending all existing copyrights by 20 years.

So instead of the steady entry into the public domain of works whose copyrights...

By many accounts, the spread of solar power is unstoppable. Costs continue to fall at a blistering pace, solutions to give consumers a solar-powered home without needing to connect to the grid for back-up power are emerging, and even the U.S. Supreme Court has weighed in, with a...

New Hampshire voters sent a loud and clear anti-establishment message on Tuesday.

In a result unimaginable just one year ago, Vermont Senator Bernie Sanders won New Hampshire’s Democratic primary and New York billionaire Donald Trump won the state’s Republican primary.

Neither race was close. Sanders and Trump both won by double digits,...

Over 300,000 babies every year are born in the United States with levels of mercury that put them at risk of neurological and developmental problems. How much would you be willing to spend to reduce this number?

This might seem like an abstract...