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Why do people get diarrhea?

  • Written by Hannibal Person, Assistant Professor of Gastroenterology and Hepatology, School of Medicine, University of Washington
imageNo matter its cause, diarrhea is uncomfortable.Rapeepong Puttakumwong/Moment 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.


Why do people get diarrhea? – A.A.A., age 10, Philadelphia


The digestive system breaks down...

Read more: Why do people get diarrhea?

Technology is revolutionizing how intelligence is gathered and analyzed – and opening a window onto Russian military activity around Ukraine

  • Written by Craig Nazareth, Assistant Professor of Practice of Intelligence & Information Operations, University of Arizona
imageCommercial satellite companies provide views once reserved for governments, like this image of a Russian military training facility in Crimea.Satellite image (c) 2021 Maxar Technologies via Getty Images

The U.S. has been warning for weeks about the possibility of Russia invading Ukraine, and threatening retaliation if it does. Just eight years...

Read more: Technology is revolutionizing how intelligence is gathered and analyzed – and opening a window...

First gene therapy for Tay-Sachs disease successfully given to two children

  • Written by Miguel Sena-Esteves, Associate Professor of Neurology, UMass Chan Medical School
imageAbout 1 in 300 people in the general population carry the Tay-Sachs disease gene.Ray Kachatorian/Stone via Getty Images

Two babies have received the first-ever gene therapy for Tay-Sachs disease after over 14 years of development.

Tay-Sachs is a severe neurological disease caused by a deficiency in an enzyme called HexA. This enzyme breaks down a...

Read more: First gene therapy for Tay-Sachs disease successfully given to two children

What do students’ beliefs about God have to do with grades and going to college?

  • Written by Ilana Horwitz, Assistant Professor, Fields-Rayant Chair in Contemporary Jewish Life, Tulane University
imageHow do students' religious lives influence their academic ones?Image Source via Getty Images

In America, the demographic circumstances of a child’s birth substantially shape academic success. Sociologists have spent decades studying how factors beyond students’ control – including the race, wealth and ZIP code of their parents...

Read more: What do students’ beliefs about God have to do with grades and going to college?

Physics and psychology of cats – an (improbable) conversation

  • Written by Beth Daley, Editor and General Manager
imageAccording to researcher Marc-Antoine Fardin, under the right circumstances, cats’ bodies can behave like liquids.Nevena Uzurov/Moment via Getty Images

Have you wondered why cats are so nimble and seem to fit perfectly in cups, boxes and other small places? Or how cats communicate with humans?

Marc Abrahams, editor of the Annals of Improbable...

Read more: Physics and psychology of cats – an (improbable) conversation

How Sylvia Plath’s secret miscarriage transforms our understanding of her poetry

  • Written by Jason Miller, Professor of English, North Carolina State University
imageSylvia Plath wrote a series of 14 intensely personal letters to her psychologist that were only recently uncovered.Amy T. Zielinski/Getty Images

In 2017, one of Sylvia Plath’s private letters, which had previously not been made public, included a startling revelation: Plath suggested that her husband, poet Ted Hughes, was responsible for the...

Read more: How Sylvia Plath’s secret miscarriage transforms our understanding of her poetry

How Russia hooked Europe on its oil and gas – and overcame US efforts to prevent energy dependence on Moscow

  • Written by Ryan Haddad, Research Affiliate at the Ed Snider Center for Enterprise and Markets, University of Maryland
imageIs it a weapon or merely trade? AP Photo/Dmitry Lovetsky

The Biden administration hopes its threat of “severe economic consequences” deters Russia from invading Ukraine – an event Americans officials say could be imminent.

In response, the U.S. said it may ban the export of microchips and other technologies to critical sectors...

Read more: How Russia hooked Europe on its oil and gas – and overcame US efforts to prevent energy dependence...

What is the ‘social cost of carbon’? 2 energy experts explain after court ruling blocks Biden's changes

  • Written by Jim Krane, Fellow for Energy Studies, Baker Institute for Public Policy; Lecturer, Jones Graduate School of Business at Rice University
imageThe Capitol Power Plant, which uses fossil fuels.AP Photo/Carolyn Kaster

When an electric company runs a coal- or natural gas-fired power plant, the greenhouse gases it releases cause harm – but the company isn’t paying for the damage.

Instead, the costs show up in the billions of tax dollars spent each year to deal with the effects of...

Read more: What is the ‘social cost of carbon’? 2 energy experts explain after court ruling blocks Biden's...

Whether up in smoke or down the toilet, missing presidential records are a serious concern

  • Written by Shannon Bow O'Brien, Associate Professor of Instruction, The University of Texas at Austin College of Liberal Arts

We may never get to the bottom of whether Donald Trump flushed documents down a White House toilet. “Fake story,” says the former president. “100% accurate,” retorts a reporter.

But even without having to unclog plumbing in search of missing papers, national archivists have their work cut out trying to plug potential gaps in...

Read more: Whether up in smoke or down the toilet, missing presidential records are a serious concern

In research studies and in real life, placebos have a powerful healing effect on the body and mind

  • Written by Elissa H. Patterson, Clinical Assistant Professor of Psychiatry and Neurology, University of Michigan
imageThe concept of placebos – which are sometimes called "sugar pills" – has been around since the 1800s.Wladimir Bulgar/Science Photo Library via Getty Images

Did you ever feel your own shoulders relax when you saw a friend receive a shoulder massage? For those of you who said “yes,” congratulations, your brain is using its...

Read more: In research studies and in real life, placebos have a powerful healing effect on the body and mind

More Articles ...

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  2. 4 ways to help STEM majors stay the course
  3. This god shoots love darts – but no, it's not Cupid
  4. Supreme Court's ruling on Alabama voting map could open the door to a new Wild West of state redistricting
  5. Puerto Rico has a plan to recover from bankruptcy — but the deal won't ease people's daily struggles
  6. The advantages of museum philanthropy that builds staff diversity rather than new wings and galleries
  7. What the mythical Cupid can teach us about the meaning of love and desire
  8. The risk of concussion lurks at the Super Bowl – and in all other sports
  9. Heat waves hit the poor hardest – a new study calculates the rising impact on those least able to adapt to the warming climate
  10. How raising interest rates curbs inflation – and what could possibly go wrong
  11. What The Conversation talks about when it talks about football: 3 essential reads ahead of the Super Bowl
  12. How Joe Rogan became podcasting's Goliath
  13. The shameful stories of environmental injustices at Japanese American incarceration camps during WWII
  14. A brief history of the NFL, 'The Star-Spangled Banner,' the Super Bowl and their tangled saga of patriotism and dissent
  15. Inmates' hunger strikes take powerful stands against injustice
  16. In countries more biased against women, higher COVID-19 death rates for men might not tell an accurate story
  17. No-knock warrants, a relic of the 'war on drugs,' face renewed criticism after Minneapolis death
  18. What makes a fruit flavorful? Artificial intelligence can help optimize cultivars to match consumer preferences
  19. New research suggests modern humans lived in Europe 10,000 years earlier than previously thought, in Neanderthal territories
  20. Ski jump: Flying or falling with style?
  21. Partnering up can help you grow as an individual – here's the psychology of a romantic relationship that expands the self
  22. Pandemic-related school closings likely to have far-reaching effects on child well-being
  23. Disasters can wipe out affordable housing forever unless communities plan ahead – that loss hurts the economy
  24. Disasters can wipe out affordable housing for years unless communities plan ahead – the loss hurts the entire local economy
  25. Dogs can be trained to sniff out COVID-19 – a team of forensic researchers explain the science
  26. The Jan. 6 Capitol attacks offer a reminder – distrust in government has long been part of Republicans' playbook
  27. Japan's Shinto religion is going global and attracting online followers
  28. New evidence of discrimination against Black coaches in the NFL since 2018
  29. How Lourdes became a byword for hope
  30. The 50 biggest US donors gave or pledged nearly $28 billion in 2021 – Bill Gates and Melinda French Gates account for $15 billion of that total
  31. Olympic skiers and snowboarders are competing on 100% fake snow – the science of how it's made and how it affects performance
  32. What is 'legitimate political discourse,' and does it include the Jan. 6 attack on the Capitol?
  33. Midlife isn't a crisis, but sleep, stress and happiness feel a little different after 35 – or whenever middle age actually begins
  34. Whoopi Goldberg awkwardly demonstrates how the idea of race varies by place and changes over time
  35. Why are some Roman Catholic saints called doctors of the church?
  36. Students are suspended less when their teacher has the same race or ethnicity
  37. The fastest population growth in the West's wildland fringes is in ecosystems most vulnerable to wildfires
  38. The fastest population growth in the West's wildland-urban interface is in areas most vulnerable to wildfires
  39. Mountain glaciers may hold less ice than previously thought – here’s what that means for 2 billion downstream water users and sea level rise
  40. 5 strategies employers can use to address workplace mental health issues
  41. Disaster news on TV and social media can trigger post-traumatic stress in kids thousands of miles away – here’s why some are more vulnerable
  42. Why church conflict in Ukraine reflects historic Russian-Ukrainian tensions
  43. What is earwax?
  44. Russia has been at war with Ukraine for years – in cyberspace
  45. The high-speed physics of how bobsled, luge and skeleton send humans hurtling faster than a car on the highway
  46. Americans are returning to the labor force at a quickening rate – do they just really need the work?
  47. Want to master Wordle? Here's the best strategy for your first guess
  48. Not everyone is male or female – the growing controversy over sex designation
  49. Cryptocurrency-funded groups called DAOs are becoming charities – here are some issues to watch
  50. New forms of advertising raise questions about journalism integrity