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The Conversation

How a volcano and flaming red sunsets led an amateur scientist in Hawaii to discover jet streams

  • Written by Kevin Hamilton, Emeritus Professor of Atmospheric Sciences, University of Hawaii
imageThe eruption of Krakatoa in 1883 sent volcanic dust and gases circling the Earth, creating spectacular sunsets captured by artists.William Ashcroft via Houghton Library/Harvard University

On the evening of Sept. 5, 1883, people in Honolulu witnessed a spectacular sunset followed by a period of extended twilight described as a “singular lurid...

Read more: How a volcano and flaming red sunsets led an amateur scientist in Hawaii to discover jet streams

'Freezer burn' is a serious problem – preventing ice recrystallization may alleviate it

  • Written by Tong (Toni) Wang, Professor, food scientist, University of Tennessee
imageAmericans throw away around $5.89 billion worth of frozen food a year.E+ via Getty Images

Open the freezer door and there, way in the back, may be an old carton of ice cream growing spikes of ice. Or a forgotten frozen lasagna covered in icy crystals. Or drying of meat surfaces if not well covered.

People sometimes call this phenomenon “freeze...

Read more: 'Freezer burn' is a serious problem – preventing ice recrystallization may alleviate it

Is it possible to recreate dinosaurs from their DNA?

  • Written by William Ausich, Professor Emeritus of Paleontology, The Ohio State University
image_Tyrannosaurus rex_ was a relentless predator who lived during the Cretaceous Period more than 65 million years ago.Roger Harris/Science Photo Library 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.


Would it really be...

Read more: Is it possible to recreate dinosaurs from their DNA?

Deciphering the symptoms of long COVID-19 is slow and painstaking – for both sufferers and their physicians

  • Written by Allison Navis, Assistant Professor of Neurology, Icahn School of Medicine at Mount Sinai
imagePeople suffering from long-term effects of COVID-19 face uncertainty about the nature of their symptoms and how long they might last. Halfpoint Images/Moment via Getty Images

My first patient that day was a woman in her early 40s, an avid marathon runner who had contracted COVID-19 in March 2020. Now, 13 months later, she noted that she still felt...

Read more: Deciphering the symptoms of long COVID-19 is slow and painstaking – for both sufferers and their...

250 preschool kids get suspended or expelled each day - 5 questions answered

  • Written by Kate Zinsser, Professor of Psychology, University of Illinois at Chicago
imagePre-K students are more likely to be expelled than any K-12 grade.Heather Walker/RooM Collection via Getty Images

When parents think of a child getting kicked out of school, they might imagine drugs found stashed in a locker, a classroom that’s been vandalized, or some kind of sexual or other violent assault. But the fact is that it’s...

Read more: 250 preschool kids get suspended or expelled each day - 5 questions answered

Afghan government collapses and Taliban on verge of controlling country: 5 essential reads

  • Written by Catesby Holmes, International Editor | Politics Editor, The Conversation US
imageU.S. personnel were evacuated from the U.S. embassy in Kabul, the Afghan capital, as Taliban insurgents broke through the city's defensive line, Aug. 15, 2021.AP Photo/Rahmat Gul

The president of Afghanistan has fled and the government apparently fallen, after Taliban insurgents captured the capital city of Kabul on Aug. 15, 2021. The Taliban also...

Read more: Afghan government collapses and Taliban on verge of controlling country: 5 essential reads

Afghan government collapses, Taliban seize control: 5 essential reads

  • Written by Catesby Holmes, International Editor | Politics Editor, The Conversation US
imagePersonnel were evacuated from the U.S. embassy in Kabul on Aug. 15, 2021, as Taliban insurgents broke through the capital city's defensive line.AP Photo/Rahmat Gul

Panic and turmoil grip Afghanistan after Taliban insurgents captured the capital city of Kabul and the president fled on Aug. 15, 2021.

There would be “no transitional government in...

Read more: Afghan government collapses, Taliban seize control: 5 essential reads

Cómo los barrios gay en Estados Unidos utilizaron la experiencia del VIH para ayudar contra el COVID

  • Written by Daniel Baldwin Hess, Professor of Urban and Regional Planning, University at Buffalo
imageLos grupos de salud y apoyo del VIH ofrecieron pruebas de COVID-19 y otros servicios comunitarios durante la pandemia iStock / Getty Images PlusiStock / Getty Images Plus

A lo largo de la pandemia, los vecindarios han desempeñado un papel fundamental y bien documentado al brindar los servicios sociales y de salud necesarios para que las...

Read more: Cómo los barrios gay en Estados Unidos utilizaron la experiencia del VIH para ayudar contra el COVID

The disturbing history of how conservatorships were used to exploit, swindle Native Americans

  • Written by Andrea Seielstad, Professor of Law, University of Dayton
imageThe Osage Nation were once among the wealthiest people in the world.FPG/Hulton Archive/Getty Images

Pop singer Britney Spears’ quest to end the conservatorship that handed control over her finances and health care to her father demonstrates the double-edged sword of putting people under the legal care and control of another person.

A judge may...

Read more: The disturbing history of how conservatorships were used to exploit, swindle Native Americans

More Articles ...

  1. How religious fervor and anti-regulation zealotry laid the groundwork for America's $36 billion supplement industry
  2. Women make fewer political donations and risk being ignored by elected officials
  3. In Afghanistan, the US again gets to choose how it stops fighting
  4. Colleges are using federal stimulus money to clear students' past-due debts – an economist answers five questions
  5. What America's social justice activists can learn from past movements for civil rights
  6. The aching red: Firefighters often silently suffer from trauma and job-related stress
  7. The Internet Archive has been fighting for 25 years to keep what's on the web from disappearing – and you can help
  8. Why Warren Buffett is a model for his billionaire peers
  9. 5 #MeToo takeaways from Andrew Cuomo and Activision Blizzard sex harassment scandals
  10. Taliban seize Herat and assault nearby dam that provides water and power to hundreds of thousands of Afghans
  11. El COVID-19 puede causar infertilidad masculina y disfunción eréctil. Las vacunas, en cambio, no
  12. 5 issues that could affect the future of campus police
  13. Why Cubans took to the streets: 3 questions about Cuba's economic crisis answered
  14. A century after the Appalachian Trail was proposed, millions hike it every year seeking 'the breath of a real life'
  15. What is the metaverse? 2 media and information experts explain
  16. Female scientists set back by the pandemic may never make up lost time
  17. Emotion is a big part of how you assess risk – and why it's so hard to be objective about pandemic precautions
  18. How gay men justify their racism on Grindr
  19. Amid calls to #TaxTheChurches – what and how much do US religious organizations not pay the taxman?
  20. Orwell's ideas remain relevant 75 years after 'Animal Farm' was published
  21. How Native students fought back against abuse and assimilation at US boarding schools
  22. How stigma, anxiety and other psychological factors can contribute to food insecurity
  23. What does full FDA approval of a vaccine do if it's already authorized for emergency use?
  24. Will NIMBYs sink new clean energy projects? The evidence says no – if developers listen to local concerns
  25. Millions of kids get suspended or expelled each year – but it doesn't address the root of the behavior
  26. Credit ratings are punishing poorer countries for investing more in health care during the pandemic
  27. What is the Islamic New Year? A scholar of religion explains
  28. US history shows spending on infrastructure doesn't always end well
  29. To end war in Afghanistan, Taliban demand Afghan president's removal
  30. 4 ways college students can make the most of their college library
  31. Melting Mongolian ice reveals fragile artifacts that provide clues about how past people lived
  32. Complicity and silence around sexual harassment are common – Cuomo and his protectors were a textbook example
  33. Apple can scan your photos for child abuse and still protect your privacy – if the company keeps its promises
  34. What are COVID-19 variants and how can you stay safe as they spread? A doctor answers 5 questions
  35. The maximum human life span will likely increase this century, but not by more than a decade
  36. State policies can provide clear guidance on when to put on and take off masks – with benefits to health, education and the economy
  37. Claims of voter suppression in newly enacted state laws don't all hold up under closer review
  38. 5 tips from a play therapist to help kids express themselves and unwind
  39. Beyond the ratings, NBC's Olympics telecast showed video's future
  40. New technology can create treatment against drug-resistant bacteria in under a week and adapt to antibiotic resistance
  41. Robots are coming for the lawyers – which may be bad for tomorrow's attorneys but great for anyone in need of cheap legal assistance
  42. Taxing bachelors and proposing marriage lotteries – how superpowers addressed declining birthrates in the past
  43. Why refusing the COVID-19 vaccine isn't just immoral – it's 'un-American'
  44. In Moscow, Idaho, conservative 'Christian Reconstructionists' are thriving amid evangelical turmoil
  45. Hip-hop holiday signals a turning point in education for a music form that began at a back-to-school party in the Bronx
  46. What is Pegasus? A cybersecurity expert explains how the spyware invades phones and what it does when it gets in
  47. What is ranked choice voting? A political scientist explains
  48. Shutting down school vaccine clinics doesn't protect minors – it hurts people who are already disadvantaged
  49. Is drinking good for you in any way? If not, why is alcohol legal for adults?
  50. People living with HIV face harmful stigma daily – DaBaby's rant was just more public than most