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The mysterious biomechanics of riding – and balancing – a bicycle

  • Written by The Conversation Contributor
imageEasy to remember how to do, hard to figure out how it's working.Rob Bertholf, CC BY

imageMan on a velocipede, circa 1870.State Library of South Australia, CC BY

Humans have been riding bicycle-like machines for close to 200 years, beginning with the Draisine or “velocipede” in 1817.

While riding and balancing a bicycle can seem simple and...

Read more: The mysterious biomechanics of riding – and balancing – a bicycle

Trump's winning streak reveals bigotry's appeal in GOP

  • Written by The Conversation Contributor

Donald Trump’s path to the Republican nomination gained crucial momentum in Nevada on Tuesday night.

Trump won the Nevada caucuses with 46 percent of the vote and defeated his closest challengers by more than 20 points, his largest victory margin yet. Trump’s third straight win in the GOP presidential race makes clear that the New York...

Read more: Trump's winning streak reveals bigotry's appeal in GOP

Evolution of moral outrage: I'll punish your bad behavior to make me look good

  • Written by The Conversation Contributor
imageStanding up for what's right can come with a cost to the individual – but also a benefit.Michael Fleshman, CC BY-NC

What makes human morality unique?

One important answer is that we care when other people are harmed. While many animals retaliate when directly mistreated, humans also get outraged at transgressions against others. And this...

Read more: Evolution of moral outrage: I'll punish your bad behavior to make me look good

How driverless vehicles will redefine mobility and change car culture

  • Written by The Conversation Contributor

My grandmother, Christine Johanna Hoffman, was born in 1894 and died in 1990. In the course of her lifetime, she witnessed the advent of indoor plumbing and home electrification, the Wright Brothers' first flight, the debut of the Ford Model T and man landing on the moon, just to name a few.

What changes will my students see in their lifetimes? A...

Read more: How driverless vehicles will redefine mobility and change car culture

Passwords, privacy and protection: can Apple meet FBI's demand without creating a 'backdoor'?

  • Written by The Conversation Contributor

The San Bernardino terrorist suspect Syed Rizwan Farook used an iPhone 5c, which is now in the possession of the FBI. The iPhone is locked. The FBI wants Apple to help unlock it, presumably so they can glean additional evidence or information about other possible attacks. Apple has declined, and appears to ready to defy a court order. Its response...

Read more: Passwords, privacy and protection: can Apple meet FBI's demand without creating a 'backdoor'?

Five years after the Arab Spring, how does the Middle East use social media?

  • Written by The Conversation Contributor
imageFree Syrian Army fighters on their smartphones.Jalal Al-mamo/Reuters

In 2011, the Arab Spring rocked many parts of the Middle East.

Regime change in Tunisia, Egypt and Libya saw the departure of long-established – seemingly untouchable – political leaders and inspired ripples of protest and disquiet in many neighboring Arab nations. The...

Read more: Five years after the Arab Spring, how does the Middle East use social media?

Former clerk on Justice Antonin Scalia and his impact on the Supreme Court

  • Written by The Conversation Contributor

I was in Washington, D.C., over the weekend to attend memorial services for my old boss, Justice Antonin Scalia.

As one of his former clerks – 15 years ago now – I met his casket on the steps of the Supreme Court on a chilly Friday morning and witnessed thousands of people standing in line for three hours or more to get a brief glimpse...

Read more: Former clerk on Justice Antonin Scalia and his impact on the Supreme Court

How should we measure the size of a university's endowment?

  • Written by The Conversation Contributor
imageThe statue of John Harvard, the first benefactor of Harvard UniversityWally Gobetz, CC BY-NC-ND

Congress is rattling its saber at colleges and universities with endowments worth U$1 billion or more. Committees from the House and Senate have sent a joint letter to 56 private colleges and universities, asking for comprehensive information about...

Read more: How should we measure the size of a university's endowment?

More Articles ...

  1. How digital technology spawned retro's revival
  2. Clean energy could save hundreds of billions in health costs every year
  3. Has World War Three begun?
  4. How do we know the Zika virus will cost the world $3.5 billion?
  5. Zika: _Aedes aegypti_ mosquitoes love biting humans, and that's why they spread viruses so well
  6. Hospitals rationing drugs behind closed doors: a civil rights issue
  7. To meet the Paris climate goals, do we need to engineer the climate?
  8. A beginner's guide to sex differences in the brain
  9. A closer look at Rubio, Cruz and the Latino vote in Nevada
  10. Why do we pretend Supreme Court justices are anything but political officials?
  11. Why big tech companies are open-sourcing their AI systems
  12. U.S. mayors desperate to fix crumbling infrastructure but states, feds hold them back
  13. Making sense of the Scalia conspiracy theory
  14. Trump's South Carolina victory could make him unstoppable in GOP race
  15. Four reasons why Clinton's Nevada victory is important
  16. The GOP moves to South Carolina, the first red state battleground
  17. Malheur occupation is over, but the war for America's public lands rages on
  18. Extreme numbers: the unimaginably large and small pop up in recent experiments
  19. With bodies piling up, the war on Mexican journalists has no end in sight
  20. Obama may be a lame duck, but his final budget isn't
  21. DoD detainee photos raise disturbing questions about transparency
  22. Pregnant, in prison and facing health risks: prenatal care for incarcerated women
  23. Straight A students may not be the best innovators
  24. Solving 'Darwin's Paradox': why coral island hotspots exist in an oceanic desert
  25. When do children learn to write? Earlier than you might think
  26. Why statin users should still get the flu shot, even if cholesterol drugs make it less effective
  27. Five years of war in Syria: five lessons Western leaders haven't learned
  28. John Kasich's rhetoric versus his record in Ohio
  29. Curbing cravings: can kitchen chaos influence cookie consumption?
  30. Eying exomoons in the search for E.T.
  31. What Scalia's death means for environment and climate
  32. Our finances are a mess – could behavioral science help clean them up?
  33. Chicago police shooting data may reveal new ways to reduce deaths and racial disparity
  34. Hollywood's piracy problem
  35. Reimagining the Internet as a mosaic of regional cultures
  36. Is your child taking a test? When is the right time?
  37. The little-understood connection between Islamic terror and drug profits
  38. Will anyone be prosecuted in the Flint water crisis?
  39. Why the IRS was just hacked – again – and what the feds can do about it
  40. Trump's anti-trade tirades recall GOP's protectionist past
  41. Could FDA e-cigarette regulations help more people quit smoking?
  42. How satellites can help control the spread of diseases such as Zika
  43. How should the U.S. government help coal communities?
  44. There's a new addiction on campus: Problematic Internet Use (PIU)
  45. TPP trade pact still needs improvements to protect governments from foreign suits
  46. Four steps to appointing a Supreme Court justice
  47. Justice Antonin Scalia: more quotable than influential
  48. The Supreme Court just handed the next president a powerful lever to control U.S. climate policy
  49. Bernie Sanders isn't a woman, but is he a better feminist than Hillary Clinton?
  50. Ted Cruz's linguistic chutzpah