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Why do people get headaches and migraines? A child neurologist explains the science of head pain and how to treat it

  • Written by Katherine Cobb-Pitstick, Assistant Professor of Child Neurology, University of Pittsburgh
imageThere are steps you can take to relieve headache pain and prevent future attacks.Thai Liang Lim/E+ via Getty Images

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 headaches? – Evie V., age 10, Corpus Christi, Texas

Whe...

Read more: Why do people get headaches and migraines? A child neurologist explains the science of head pain...

When the world’s largest battery power plant caught fire, toxic metals rained down – wetlands captured the fallout

  • Written by Ivano W. Aiello, Professor of Marine Geology, San José State University
imageA battery energy storage facility that was built inside an old power plant burned from Jan. 16-18, 2025.Mike Takaki

When fire broke out at the world’s largest battery energy storage facility in January 2025, its thick smoke blanketed surrounding wetlands, farms and nearby communities on the central California coast.

Highways closed,...

Read more: When the world’s largest battery power plant caught fire, toxic metals rained down – wetlands...

Speaker Johnson’s choice to lead by following the president goes against 200 years of House speakers building up the office’s power

  • Written by SoRelle Wyckoff Gaynor, Assistant Professor of Public Policy and Politics, University of Virginia
imageHouse Speaker Mike Johnson has given a lot of effort to pushing the agenda of President Donald Trump.Kevin Dietsch/Getty Images

When the framers of what became the U.S. Constitution set out to draft the rules of our government on a hot, humid day in the summer of 1787, debates over details raged on.

But one thing the men agreed on was the power of...

Read more: Speaker Johnson’s choice to lead by following the president goes against 200 years of House...

Iran’s president calls for moving its drought-stricken capital amid a worsening water crisis – how Tehran got into water bankruptcy

  • Written by Ali Mirchi, Associate Professor of Water Resources Engineering, Oklahoma State University
imageIranians pray for rain in Tehran on Nov. 14, 2025. The city is experiencing its worst drought in decades.Fatemeh Bahrami/Anadolu via Getty Images

Fall marks the start of Iran’s rainy season, but large parts of the country have barely seen a drop as the nation faces one of its worst droughts in decades. Several key reservoirs are nearly dry,...

Read more: Iran’s president calls for moving its drought-stricken capital amid a worsening water crisis – how...

Guinea-Bissau’s military takeover highlights the nation’s sorry history of coups and a deepening crisis across the region

  • Written by John Joseph Chin, Assistant Teaching Professor of Strategy and Technology, Carnegie Mellon University
imageSoldiers patrol the streets in Guinea-Bissau on Nov. 26, 2025.Patrick Meinhardt/AFP via Getty Images

Army generals in Guinea-Bissau seized power on Nov. 26, 2025 – the eve of a scheduled official declaration of the winner in the West African nation’s presidential election.

Alleging a destabilization plot by unnamed politicians and drug...

Read more: Guinea-Bissau’s military takeover highlights the nation’s sorry history of coups and a deepening...

Drones, physics and rats: Studies show how the people of Rapa Nui made and moved the giant statues – and what caused the island’s deforestation

  • Written by Carl Lipo, Professor of Anthropology and Associate Dean for Research, Binghamton University, State University of New York
imageScientists used drones to produce this 3D model of Rano Raraku, the volcanic crater where 95% of Rapa Nui's giant statues were carved.Lipo et al., 2025, PLOS One, CC BY

Rapa Nui, also known as Easter Island, is often portrayed in popular culture as an enigma. The rationale is clear: The tiny, remote island in the Pacific features nearly 1,000...

Read more: Drones, physics and rats: Studies show how the people of Rapa Nui made and moved the giant statues...

As US hunger rises, Trump administration’s ‘efficiency’ goals cause massive food waste

  • Written by Tevis Garrett Graddy-Lovelace, Provost Associate Professor of Environment, Development and Health, American University School of International Service
imageA person sits in a field of crops after a raid by U.S. immigration agents.Blake Fagan/AFP via Getty Images

The U.S. government has caused massive food waste during President Donald Trump’s second term. Policies such as immigration raids, tariff changes and temporary and permanent cuts to food assistance programs have left farmers short of...

Read more: As US hunger rises, Trump administration’s ‘efficiency’ goals cause massive food waste

A year on, the Israeli-Lebanese ceasefire looks increasingly fragile − could a return to cyclical violence come next?

  • Written by Asher Kaufman, Professor of History and Peace Studies, University of Notre Dame
imageSmoke rises following an Israeli airstrike in the village of Teir Debba in southern Lebanon on Nov. 6, 2025. AP Photo/Mohammad Zaatar

An already troubled ceasefire agreement between Israel and Lebanon is looking shakier than ever.

Since the truce was announced on Nov. 27, 2024, there have been more than 10,000 Israeli air and ground violations...

Read more: A year on, the Israeli-Lebanese ceasefire looks increasingly fragile − could a return to cyclical...

How does Narcan work? Mapping how it reverses opioid overdose can provide a molecular blueprint for more effective drugs

  • Written by Saif Khan, Ph.D. Candidate in Biology, University of Southern California
imageNaloxone competes with opioids for the same receptor on the surface of neurons.Matt Rourke/AP Photo

Naloxone, also known by the brand name Narcan, is one of the most important drugs in the United States’ fight against the opioid crisis. It reverses an opioid overdose nearly instantly, restarting breathing in a person who was unresponsive...

Read more: How does Narcan work? Mapping how it reverses opioid overdose can provide a molecular blueprint...

Absence of evidence is not evidence of absence – and that affects what scientific journals choose to publish

  • Written by Mark Louie Ramos, Assistant Research Professor of Health Policy and Administration, Penn State
imageCareful planning and analysis are part of trying to reduce the chance of a false-positive finding.Arnon Mungyodklang/iStock via Getty Images Plus

Should you believe the findings of scientific studies? Amid current concerns about the public’s trust in science, old arguments are resurfacing that can sow confusion.

As a statistician involved in...

Read more: Absence of evidence is not evidence of absence – and that affects what scientific journals choose...

More Articles ...

  1. George Plimpton’s 1966 nonfiction classic ‘Paper Lion’ revealed the bruising truths of Detroit Lions training camp
  2. Pentagon investigation of Sen. Mark Kelly revives Cold War persecution of Americans with supposedly disloyal views
  3. A database could help revive the Arapaho language before its last speakers are gone
  4. How food assistance programs can feed families and nourish their dignity
  5. What makes a true Santa is inside – and comes with the red suit
  6. ‘Without prejudice’: What this 2-word legalese means for the dismissed charges against James Comey and Letitia James
  7. From concrete to community: How synthetic data can make urban digital twins more humane
  8. The ChatGPT effect: In 3 years the AI chatbot has changed the way people look things up
  9. When darkness shines: How dark stars could illuminate the early universe
  10. Fern stems reveal secrets of evolution – how constraints in development can lead to new forms
  11. A quarter of early child care educators in Colorado reported mistreatment from co-workers
  12. Sea level doesn’t rise at the same rate everywhere – we mapped where Antarctica’s ice melt would have the biggest impact
  13. Automated systems decide which homeless Philadelphians get housing and who stays on the street – often in ways that feel arbitrary to those waiting
  14. Treating love for work like a virtue can backfire on employees and teams
  15. Colleges teach the most valuable career skills when they don’t stick narrowly to preprofessional education
  16. Thousands of genomes reveal the wild wolf genes in most dogs’ DNA
  17. Peace plan presented by the US to Ukraine reflects inexperienced, unrealistic handling of a delicate situation
  18. Writing builds resilience by changing your brain, helping you face everyday challenges
  19. More than half of new articles on the internet are being written by AI – is human writing headed for extinction?
  20. Nonprofit news outlets are often scared that selling ads could jeopardize their tax-exempt status, but IRS records show that’s been rare
  21. How will the universe end?
  22. AI is making spacecraft propulsion more efficient – and could even lead to nuclear-powered rockets
  23. Mid-Atlantic mushroom foragers collect 160 species for food, medicine, art and science
  24. We created health guidelines for fighting loneliness - here’s what we recommend
  25. Nick Fuentes is a master of exploiting the current social media opportunities for extremism
  26. What Robert F. Kennedy Jr. didn’t tell you about ‘Operation Northwoods,’ the false flag operation he loves to denounce
  27. From invasive species tracking to water security – what’s lost with federal funding cuts at US Climate Adaptation Science Centers
  28. Just follow orders or obey the law? What US troops told us about refusing illegal commands
  29. Colorado is pumping the brakes on first-of-its-kind AI regulation to find a practical path forward
  30. The plague of frog costumes demonstrates the subversive power of play in protests
  31. John Fetterman is an unusual politician – but his rise from borough mayor to US senator reflects a recent trend
  32. Making GLP-1 weight loss drugs cheaper isn’t enough to address America’s obesity problem – here’s why
  33. Off-label use of COVID-19 vaccines was once discouraged but has become common amid new guidelines
  34. From ‘mail-order brides’ to ‘passport bros,’ the international dating industry often sells traditional gender roles
  35. $2B Counter-Strike 2 crash exposes a legal black hole: Your digital investments aren’t really yours
  36. Farmers – long Trump backers – bear the costs of new tariffs, restricted immigration and slashed renewable energy subsidies
  37. First Amendment in flux: When free speech protections came up against the Red Scare
  38. AI is providing emotional support for employees – but is it a valuable tool or privacy threat?
  39. Who wins and who loses as the US retires the penny
  40. ‘Jeffrey Epstein is not unique’: What his case reveals about the realities of child sex trafficking
  41. College students are now slightly less likely to experience severe depression, research shows – but the mental health crisis is far from over
  42. 50 years after Franco’s death, giving a voice to Spanish dictator’s imprisoned mothers
  43. Beyond the habitable zone: Exoplanet atmospheres are the next clue to finding life on planets orbiting distant stars
  44. How climate finance to help poor countries became a global shell game – donors have counted fossil fuel projects, airports and even ice cream shops
  45. The Dayton Peace Accords at 30: An ugly peace that has prevented a return to war over Bosnia
  46. Orthodox Judaism is making space for women’s religious leadership – even without traditional ordination
  47. Learning with AI falls short compared to old-fashioned web search
  48. Florida residents’ anxiety is linked to social media use and varies with age, new study shows
  49. Vice President Dick Cheney’s life followed the arc of the biggest breakthroughs in cardiovascular medicine
  50. Why MAGA is obsessed with Epstein − and why the files are unlikely to dent loyalty to Trump