Existing cars can stop when they detect pedestrians.
Yauhen_D/Shutterstock.com
Jeremy Straub, North Dakota State University
Driver aid systems and self-driving vehicle control systems could override a driver who is trying to attack people and prevent tragedy.
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This man may soon be the world’s ‘second-most-powerful person.’
AP Photo/Andrew Harnik
Greg Wright, University of California, Merced
The chair of the Federal Reserve is often considered the world's 'second-most-powerful person.' So who is Jerome Powell and why does it matter that he may soon head the Fed?
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Anna_Pustynnikova
Paul Freedman, Yale University; Andrew P. Haley, The University of Southern Mississippi; Imogene L. Lim, Vancouver Island University; Ken Albala, University of the Pacific; Megan Elias, Boston University
Five food experts peer under the bread to plumb the histories of the country's unique sandwiches, from favorites like tuna fish to lesser-known fare like the woodcock.
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Jean Twenge, San Diego State University
The amount of time teens have spent working and participating in extracurricular activities has held steady in recent years. There has, however, been one big change in their lives: smartphones.
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Arash Javanbakht, Wayne State University; Linda Saab, Wayne State University
We may pretend that we do not like fear, but Halloween proves otherwise. Many of us enjoy being scared. But why?
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Dan Hooper, University of Chicago
Cosmologists are heading back to their chalkboards as the experiments designed to figure out what this unknown 84 percent of our universe actually is come up empty.
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