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A White House proposal to tax crude oil would address the U.S.’s perennially underfunded highway maintenance program. scottummy/flickr

How should America fund its highways in the 21st century?

Obama’s proposal to add $10 tax to crude oil raises the thorny question of whether the U.S. can continue to fund its highway infrastructure with a fuel tax that hasn’t changed since 1993.
Eye in the sky: the ‘spidercam’ is just one of the technological innovations bringing ever more information to football fans. J. Glover/Wikimedia Commons

Super Bowl 50’s data deluge: How much is too much?

Is there now so much information being shown on football broadcast screens that it’s time for another announcerless game?
Just Go for it: programming a computer to play an ancient game. Donar Reiskoffer/Wikimedia Commons

Evolving our way to artificial intelligence

While it’s impressive, developing a computer to win at Go is not a big step toward the type of artificial intelligence used by the thinking machines we see in the movies.
A puma and her two kittens look out over San Jose, California. Cchristopher Fust

How humans threaten pumas just by being nearby

Many Americans move to rural areas to live near nature. But the mere presence of humans changes wildlife behavior in ways that may have ripple effects.
The amount of time kids are spending on mobile devices is increasing. Eric Peacock

How much screen time is good for kids?

Kids who watch educational programs such as ‘Sesame Street’ show better academic skills. But this does not mean all children can learn from educational media.