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Smog over Mexico City: bad air quality has led to limits on when people can drive their cars in the city. ilai/flickr

How corruption is hurting Mexico City’s efforts to tackle air pollution

Mexico City is suffering through an air quality crisis this spring, but institutional corruption is making the proposed solution – restricting car usage – ineffective.
Income share agreements work quite like federal loans. Student debt image via www.shutterstock.com

Are income share agreements a good way to pay for college?

In income share agreements, students agree to pay a percentage of their future income to a private company or lender in exchange for additional money to cover college expenses. Are they for everyone?
The first issue of Black Panther, a Marvel series written by Ta-Nehisi Coates, was released last month. Marvel Comics

Why the stakes are so high for the Black Panther

In the entertainment industry, the success or failure of a minority lead can be a referendum on whether or not to use diverse leads for future projects.
Solar panels on a Walmart roof, Mountain View, California. Walmart/Flickr

Getting more energy from the sun: how to make better solar cells

Solar power has enormous potential, but provides only about one percent of world electricity today. An engineer explains the many steps it takes to make solar panels that are efficient, clean and cheap.
Thumbs half up? Trump’s winning streak is unlikely to continue through the general election. Reuters/Kamil Krzaczynski

President Trump? Not likely

The GOP nomination may be Trump’s, but the general election is another story.
‘Alcibiades on his Knees Before his Mistress’ by Lagrenee.

The one Trump comparison you haven’t heard yet

A classics professor writes that Trump’s raucous campaign style is nothing new. He introduces us to a chariot-racing statesman from ancient Athens who may have given Trump a run for his money.
The chemical PFOA, used in common coatings, was found in elevated levels in the water supply of Hoosick, New York earlier this year. dougtone/flickr

Should you be worried about PFOA in drinking water? Here’s what we know

A growing number of communities in upstate New York and New England are discovering the chemical PFOA in their water supply. Here’s what you should know about the health effects of PFOA.
Who will make a better dance mix – a computer or a human? Copyright © Annelise Capossela; used by permission

Looking for art in artificial intelligence

Testing whether machines are capable of generating sonnets, short stories or dance music that is indistinguishable from human-generated works.
One balloting machine for all voters: universal design is accessible for everyone, with or without disabilities. University of Florida

How universal design can help every voter cast a ballot

In 2012, nearly one-third of voters with a disability had trouble voting. A 2002 law was supposed to fix this problem. New technology may have the answer at last.