These are the world’s longest straight lines

Researchers use algorithms to find the longest straight-line distances on land and at sea

Image: Chabukswar & Mukherjee
  • What links a small town in Portugal and a huge port city in China?
  • The answer may surprise even inhabitants of both places: the world's longest straight line over land
  • That line and its maritime equivalent were determined not by exploration but by calculation
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Do doctors warn patients enough about opioids?

About a third of doctors may not be doing enough.

(DrugAbuse.com)
  • More than 130 people die every day from opioid-related overdoses, and some 11.4 million Americans have an opioid disorder.
  • Americans remain wary of opioids and want more guidance; about a third of doctors need to explain options better.
  • Patients have to pro-actively question subscribing physicians.
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Leonardo da Vinci could visually flip between dimensions, neuroscientist claims

A neuroscientist argues that Da Vicni shared a disorder with Picasso and Rembrandt.

Christopher Tyler
  • A neuroscientist at the City University of London proposes that Leonardo da Vinci may have had exotropia, allowing him to see the world with impaired depth perception.
  • If true, it means that Da Vinci would have been able to see the images he wanted to paint as they would have appeared on a flat surface.
  • The finding reminds us that sometimes looking at the world in a different way can have fantastic results.
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Infographic: Who and what do people fantasize about?

A new survey asks Europeans and Americans to share their imaginary lives.

Favorite fantasies, by gender. Visual: Superdrug Online Doctor.
  • People who are overwhelmingly satisfied in their relationships fantasize other people
  • More of us daydream about strangers than exes or friends
  • Survey asks if we need to keep our fantasies to ourselves
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800 hiring managers reveal their job search tips

A cheat sheet containing what really works.

(Raywoo/Shutterstock)
  • 800 hiring managers reveal their preferences in a survey by NetQuote.
  • Infographics help unearth the worst words to use in an interview, most important questions, and ideal resume length.
  • Figuring out how to present yourself just got easier.
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