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The Conversation USA

Microplastics promote cloud formation, with likely effects on weather and climate

  • Written by Miriam Freedman, Professor of Chemistry, Penn State
imageGiant cumulonimbus clouds in Australia.Steve Christo - Corbis/Corbis via Getty Images

Clouds form when water vapor – an invisible gas in the atmosphere – sticks to tiny floating particles, such as dust, and turns into liquid water droplets or ice crystals. In a newly published study, we show that microplastic particles can have the same...

Read more: Microplastics promote cloud formation, with likely effects on weather and climate

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  1. America’s glass ceiling remains − here are some of the reasons why a woman may have once again lost the presidency
  2. Iran’s currency was already tumbling − and then news of Trump’s victory broke
  3. Now the Electoral College votes for president – 4 essential reads
  4. What Buddhism can teach in this moment of deep divisions: No person is ‘evil,’ only ‘mistaken’
  5. This course uses crime novels to teach critical thinking
  6. Trump’s comeback victory, after reshaping his party and national politics, looks a lot like Andrew Jackson’s in 1828
  7. What is ‘ballot curing’? Election expert explains the method for fixing errors made when voters cast their ballots
  8. 2024’s quick win for Trump will go down in the history books alongside 1964 and 1980 Election Day landslides
  9. Will the lights go out on Cuba’s communist leaders? With fewer options to prop up economy, their future looks dimmer
  10. Kristallnacht’s legacy still haunts Hamburg − even as the city rebuilds a former synagogue burned in the Nazi pogrom
  11. Carl Sagan’s scientific legacy extends far beyond ‘Cosmos’
  12. Cells have more mini ‘organs’ than researchers thought − unbound by membranes, these rogue organelles challenge biology’s fundamentals
  13. Only 5.3% of welders in the US are women. After years as a writing professor, I became one − here’s what I learned
  14. Beefing up Border Patrol is a bipartisan goal, but the agency has a troubled history of violence and impunity
  15. Is the election making you feel adrift and wobbly? That’s ‘zozobra’ – and Mexican philosophers have some advice
  16. How Native Americans guarded their societies against tyranny
  17. Quincy Jones mastered the art of arrangement, transforming simple tunes into epic soundscapes
  18. The 27 Club isn’t true, but it is real − a sociologist explains why myths endure and how they shape reality
  19. What poll watchers can − and can’t − do on Election Day
  20. Political bickering and policy uncertainty take a toll on business investment, research shows
  21. I’m a Muslim immigrant and a psychiatrist living in Michigan – I haven’t decided how to vote yet
  22. How can Jupiter have no surface? A dive into a planet so big, it could swallow 1,000 Earths
  23. As the stars of hip-hop’s golden age approach their golden years, some confront questions about whether old blood can make new music
  24. Svalbard Global Seed Vault evokes epic imagery and controversy because of the symbolic value of seeds
  25. Osteoporosis, the silent disease, can shorten your life − here’s how to prevent fractures and keep bones healthy
  26. The racist ‘one-drop rule’ lives on in how Trump talks about Black politicians and whiteness in America
  27. Undoing the ‘deep state’ means Trump would undo over a century of progress in building a federal government for the people and not just for rich white men
  28. Election anxiety doesn’t need to win − here are 3 science-backed strategies from a clinical psychologist to rein in the stress
  29. Massachusetts could be the next state to get rid of the ‘subminimum wage’ for tipped workers
  30. Massachusetts votes to keep its ‘subminimum wage’ for tipped workers
  31. Jobs report gives a final lackluster snapshot prior to election − but overall, the economy under Biden has been a tale of 2 eras
  32. US government tries to rein in an out-of-control subscription economy
  33. ‘Safe route’ or ‘sushi route’ − 2 strategies to turn yuck to yum and convince people to eat unusual foods
  34. How to overcome your device dependency and manage a successful digital detox
  35. St. Augustine was no stranger to culture wars – and has something to say about today’s
  36. The colonial legacy lurking beneath economic unrest in the French Caribbean
  37. Monkeys know who will win the election – primal instincts humans share with them shape voters’ choices
  38. No, America’s battery plant boom isn’t going bust – construction is on track for the biggest factories, with over 23,000 jobs planned
  39. No, America’s battery plant boom isn’t going bust – construction is on track for the biggest factories, with thousands of jobs planned
  40. For one survivor, the 1920 Election Day massacre in Florida was ‘the night the devil got loose’
  41. Elon Musk misses Philly court date, stalling ‘illegal lottery’ case against him − an expert on Philadelphia politics weighs in
  42. Trump’s Detroit insults are based on old narratives local media are rewriting every day
  43. Denver slaughterhouse ban could affect food systems in Colorado and beyond
  44. Denver voters reject slaughterhouse ban, allowing Superior Farms to continue selling lamb in Colorado and nationwide
  45. International election monitors can help boost people’s trust in the electoral process − but not all work the same way
  46. Who formally declares the winner of the US presidential election?
  47. Sudan’s civil war has left at least 62,000 dead by our estimate − but the true figure could be far higher
  48. With Tucker Carlson, Elon Musk and Donald Trump, Republicans’ ‘strict father’ has become the creepy uncle
  49. Independent voters think for themselves and stay out of politics – 3 essential reads
  50. Tariffs are back in the spotlight, but skepticism of free trade has deep roots in American history