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How was popcorn discovered? An archaeologist on its likely appeal for people in the Americas millennia ago

  • Written by Sean Rafferty, Professor of Anthropology, University at Albany, State University of New York
imageCould a spill by the cook fire have been popcorn's eureka moment?Paul Taylor/Stone via Getty Imagesimage

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com.


How was popcorn discovered? – Kendra, age 11, Penn Yan, New York


You have to wonder how...

Read more: How was popcorn discovered? An archaeologist on its likely appeal for people in the Americas...

Disability community has long wrestled with ‘helpful’ technologies – lessons for everyone in dealing with AI

  • Written by Elaine Short, Assistant Professor of Computer Science, Tufts University
imageA robotic arm helps a disabled person paint a picture.Jenna Schad /Tufts University

You might have heard that artificial intelligence is going to revolutionize everything, save the world and give everyone superhuman powers. Alternatively, you might have heard that it will take your job, make you lazy and stupid, and make the world a cyberpunk...

Read more: Disability community has long wrestled with ‘helpful’ technologies – lessons for everyone in...

What’s next after Supreme Court curbs regulatory power: More focus on laws’ wording, less on their goals

  • Written by Robin Kundis Craig, Professor of Law, University of Kansas
imageTwo fishing companies challenged regulations that required Atlantic herring fishers to pay some costs for observers on their boats.Joe Raedle/Getty Images

Federal Chevron deference is dead. On June 28, 2024, in a 6-3 vote, the Supreme Court overturned the 40-year-old legal tenet that when a federal statute is silent or ambiguous about a particular...

Read more: What’s next after Supreme Court curbs regulatory power: More focus on laws’ wording, less on their...

5 questions after the NCAA’s $2.75B settlement to pay college athletes

  • Written by Nikolas R. Webster, Clinical Assistant Professor of Sport Management, University of Michigan
imageDetails of payouts for college athletes remain murky.Jamie Schwaberow via Getty Images

As part of a US$2.75 billion class action settlement struck in May 2024 between former student-athletes and several dozen universities involved in big-time sports, schools will be allowed to pay future players with something more than scholarships. They can give...

Read more: 5 questions after the NCAA’s $2.75B settlement to pay college athletes

Black economic boycotts of the civil rights era still offer lessons on how to achieve a just society

  • Written by Kevin A. Young, Associate Professor of History, UMass Amherst
imageBlack demonstrators walk to work during the bus boycott in Montgomery, Ala., in February 1956. Don Cravens/Getty Images

Signed into law 60 years ago, the Civil Rights Act of 1964 outlawed discrimination in the U.S. based on “race, color, sex, religion, or national origin.”

Yet, as a historian who studies social movements and political...

Read more: Black economic boycotts of the civil rights era still offer lessons on how to achieve a just society

Loss of Supreme Court legitimacy can lead to political violence

  • Written by Matthew Hall, Professor of Constitutional Studies, Political Science and Law, University of Notre Dame
imagePeople on June 24, 2022, in Washington, D.C., protest the Supreme Court overturning the federal right to an abortion. Brandon Bell/Getty Images

Americans are gearing up to celebrate the Fourth of July, and their thoughts are most likely on how many hot dogs to buy for the cookout and whether a family member needs to go stake out a good spot to...

Read more: Loss of Supreme Court legitimacy can lead to political violence

US’s terrorist listing of European far-right group signals fears of rising threat − both abroad and at home

  • Written by Jason M. Blazakis, Professor of Practice and Director of Center on Terrorism, Extremism, and Counterterrorism, Middlebury
imageMembers of the far-right group Nordic Resistance Movement march in Helsinki on Dec. 6, 2017, during centennial festivities of Finnish independence.Markku Ulander/AFP/Getty Images

The rise of the radical far right in Europe poses a threat not only to thecontinent but also to Americans at home and abroad.

But while the U.S. government tends to be quick...

Read more: US’s terrorist listing of European far-right group signals fears of rising threat − both abroad...

Knowing when to call it quits takes courage and confidence - 3 case studies

  • Written by Kevin J. McMahon, Professor of Political Science, Trinity College
imageA man reads the Chicago Tribune announcing President Lyndon B. Johnson's decision not to run for reelection in 1968. Corbis/Getty Images

After President Joe Biden’s disastrous performance at the June 27, 2024, debate, many Democrats have raced to ring the alarm bell, proclaiming that it’s time for him to step aside, time to let someone...

Read more: Knowing when to call it quits takes courage and confidence - 3 case studies

Supreme Court rules cities can ban homeless people from sleeping outdoors – Sotomayor dissent summarizes opinion as ‘stay awake or be arrested’

  • Written by Clare Pastore, Professor of the Practice of Law, University of Southern California
imageHousing activists demonstrate outside the Supreme Court on April 22, 2024.Matt McClain/The Washington Post via Getty Images

The Supreme Court has ruled that the Eighth Amendment to the U.S. Constitution does not prohibit cities from criminalizing sleeping outdoors.

City of Grants Pass v. Johnson began when a small city in Oregon with just one...

Read more: Supreme Court rules cities can ban homeless people from sleeping outdoors – Sotomayor dissent...

How camping bans − like the one the Supreme Court just upheld − can fit into ‘hostile design’: Strategies to push out homeless people

  • Written by Robert Rosenberger, Professor, School of Public Policy, Georgia Institute of Technology
imageActivists protest outside the Supreme Court before arguments in Grants Pass v. Johnson on April 22, 2024, in Washington, D.C.Matt McClain/The Washington Post via Getty Images

If you have no shelter and are arrested for sleeping outside, are you being punished for something you did – or for being homeless?

On June 28, 2024, the U.S. Supreme...

Read more: How camping bans − like the one the Supreme Court just upheld − can fit into ‘hostile design’:...

More Articles ...

  1. Supreme Court makes prosecution of Trump on obstruction charge more difficult, with ruling to narrowly define law used against him and Jan. 6 rioters
  2. ICE detainees suffer preventable deaths − Q A with a medical researcher about systemic failures
  3. Federal funding for major science agencies is at a 25-year low
  4. ChatGPT and the movie ‘Her’ are just the latest example of the ‘sci-fi feedback loop’
  5. ‘Authentic’ ayahuasca rituals sought by tourists often ignore Indigenous practices and spiritual grounding
  6. Biden crashes, Trump lies: A campaign-defining presidential debate
  7. Supreme Court sidesteps case on whether federal law on medical emergencies overrides Idaho’s abortion ban
  8. Supreme Court rejects settlement with OxyContin maker Purdue Pharma over legal protections for the Sackler family that owned the company
  9. Gazans’ extreme hunger could leave its mark on subsequent generations
  10. Fireworks sales have fallen back to Earth after years of explosive growth – here’s why
  11. 5 ways anti-diversity laws affect LGBTQ+ people and research in higher ed
  12. The science behind splashdown − an aerospace engineer explains how NASA and SpaceX get spacecraft safely back on Earth
  13. Lucy, discovered 50 years ago in Ethiopia, stood just 3.5 feet tall − but she still towers over our understanding of human origins
  14. AI companies train language models on YouTube’s archive − making family-and-friends videos a privacy risk
  15. How the surrealists used randomness as a catalyst for creative expression
  16. Pope Francis may have surprised many by inviting comedians to the Vatican, but the value of humor has deep roots in Catholic tradition
  17. What people say today about the first televised presidential debate, between Nixon and JFK, doesn’t match first reactions in 1960
  18. How does hail grow to the size of golf balls and even grapefruit? The science behind this destructive weather phenomenon
  19. For many Olympic medalists, silver stings more than bronze
  20. Diplomacy, sanctions and soft power have failed to deter Iran’s anti-West agenda − could a new Iranian president change that?
  21. College may not be the ‘great equalizer’ − luck and hiring practices also play a role, a sociologist explains
  22. The world’s fourth mass coral bleaching is underway, but well-connected reefs may have a better chance to recover
  23. More women in venture capital doesn’t mean more funding for female-led businesses, new research suggests − here’s why
  24. Service dogs can reduce the severity of PTSD for veterans – new research
  25. As debate approaches, presidents are blamed for events over which they have little control
  26. Extreme heat waves aren’t ‘just summer’: How climate change is heating up the weather, and what we can do about it
  27. Journalism’s trust problem is about money, not politics
  28. Populism can degrade democracy but is on the rise − here’s what causes this political movement and how it can be weakened
  29. FDA authorized the sale of menthol-flavored e-cigarettes – a health policy expert explains how the benefits may outweigh the risks
  30. Journalism has become ground zero for the vocation crisis
  31. Lead water pipes created a health disaster in Flint, but replacing them with cheaper plastic − as some cities are doing − carries hidden costs
  32. When people are under economic stress, their pets suffer too – we found parts of Detroit that are animal welfare deserts
  33. Kidneys from Black donors are more likely to be thrown away − a bioethicist explains why
  34. Genetic testing cannot reveal the gender of your baby − two genetic counselors explain the complexities of sex and gender
  35. US charitable giving dipped to $557B in 2023, but outlook is getting brighter
  36. Escalating Israel-Hezbollah clashes threaten to spark regional war and force US into conflict with Iran
  37. ‘I love this work, but it’s killing me’: The unique toll of being a spiritual leader today
  38. Rocks on Rapa Nui tell the story of a small, resilient population − countering the notion of a doomed overpopulated island
  39. Making art is a uniquely human act, and one that provides a wellspring of health benefits
  40. Boost your immune system with this centuries-old health hack: Vaccines
  41. Paying reparations for slavery is possible – based on a study of federal compensation to farmers, fishermen, coal miners, radiation victims and 70 other groups
  42. Philly has highest STI rates in the country – improving sex ed in schools and access to at-home testing could lower rates
  43. Southern Baptists may have rejected a constitutional amendment opposing female pastors, but that does not mean they are changing their views on women’s leadership in church
  44. Elder fraud has reached epidemic proportions – a geriatrician explains what older Americans need to know
  45. Is Earth really getting too hot for people to survive? A scientist explains extreme heat and the role of climate change
  46. What Frederick Douglass learned from an Irish antislavery activist: ‘Agitate, agitate, agitate’
  47. Central banks face threats to their independence − and that isn’t good news for sound economic stewardship (or battling inflation)
  48. Calls to US poison centers spiked after ‘magic mushrooms’ were decriminalized
  49. From glowing corals to vomiting shrimp, animals have used bioluminescence to communicate for millions of years – here’s what scientists still don’t know about it
  50. Supreme Court unanimously concludes that anti-abortion groups have no standing to challenge access to mifepristone – but the drug likely faces more court challenges