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NASA’s asteroid sample mission gave scientists around the world the rare opportunity to study an artificial meteor

  • Written by Brian Elbing, Associate Professor of Mechanical and Aerospace Engineering, Oklahoma State University
imageCollecting the OSIRIS-REx sample return capsule. NASA/Keegan Barber, CC BY

Earth is constantly bombarded by fragments of rock and ice, also known as meteoroids, from outer space. Most of the meteoroids are as tiny as grains of sand and small pebbles, and they completely burn up high in the atmosphere. You can see meteoroids larger than about a golf...

Read more: NASA’s asteroid sample mission gave scientists around the world the rare opportunity to study an...

How do you build tunnels and bridges underwater? A geotechnical engineer explains the construction tricks

  • Written by Ari Perez, Associate Professor of Civil Engineering, Quinnipiac University
imageConstruction underway at China's Lingdingyang Bridge.Deng Hua/Xinhua News Agency 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 do they build things like tunnels and bridges underwater? – Helen, age 10,...

Read more: How do you build tunnels and bridges underwater? A geotechnical engineer explains the construction...

Indian election was awash in deepfakes – but AI was a net positive for democracy

  • Written by Vandinika Shukla, Fellow, Practicing Democracy Project, Harvard Kennedy School
imageAn Indian AI media company maps Prime Minister Narendra Modi's face.Himanshu Sharma/picture alliance via Getty Images

As India concluded the world’s largest election on June 5, 2024, with over 640 million votes counted, observers could assess how the various parties and factions used artificial intelligence technologies – and what...

Read more: Indian election was awash in deepfakes – but AI was a net positive for democracy

How much do you need to know about how your spouse spends money? Maybe less than you think

  • Written by Scott Rick, Associate Professor of Marketing, University of Michigan
imageWedding planning involves major conversations about finances – but certainly not the couple's last.simarik/iStock via Getty Images Plus

Love is in the air, and wedding season is upon us.

Like many elder millennials, I grew up watching sitcoms in the 1980s and ‘90s. Whenever those series needed a ratings boost, they would feature a...

Read more: How much do you need to know about how your spouse spends money? Maybe less than you think

2020’s ‘fake elector’ schemes will be harder to try in 2024 – but not impossible

  • Written by Derek T. Muller, Professor of Law, University of Notre Dame
imageChief Justice Cheri Beasley, center, of the North Carolina Supreme Court swears in state presidential electors to cast their votes on Dec. 14, 2020. AP Photo/Gerry Broome

Electors will gather across the United States in December 2024, just weeks after the election, and formally cast votes for president and vice president. They will send their...

Read more: 2020’s ‘fake elector’ schemes will be harder to try in 2024 – but not impossible

Why is it so hard to know how many independent voters there are?

  • Written by Thom Reilly, Professor & Co-Director, Center for an Independent and Sustainable Democracy, School of Public Affairs, Arizona State University
imageVoters wait in line to cast their ballots in Wisconsin in November 2020.AP Photo/Wong Maye-E

Modern U.S. politics has largely been viewed through the lens of a two-party power structure: Democrats and Republicans. However, this may be changing. Increasingly, the media, pollsters, pundits and campaigns themselves are focusing on independent voters,...

Read more: Why is it so hard to know how many independent voters there are?

Getting services to people in need often relies on partnerships between government and nonprofits, but reporting requirements can be too onerous

  • Written by David C. Campbell, Professor Emeritus of Human Ecology, University of California, Davis
imageVolunteers can help reduce costs, but most nonprofit social service groups rely heavily on government funding.Brittany Murray/MediaNews Group/Long Beach Press-Telegram via Getty Images

Many Americans celebrate philanthropic donations to privately run institutions of all kinds – from Boys and Girls Clubs to church-sponsored charities –...

Read more: Getting services to people in need often relies on partnerships between government and nonprofits,...

AI search answers are the fast food of your information diet – convenient and tasty, but no substitute for good nutrition

  • Written by Chirag Shah, Professor of Information Science, University of Washington
imageFast and yummy is often less than healthy.Zinkevych/iStock via Getty Images

If you have used Google lately and been lucky – or unlucky – enough to encounter an answer to your query rather than a bunch of links, you have been subjected to something called AI Overviews. This is a new core feature that Google has been rolling out, a move...

Read more: AI search answers are the fast food of your information diet – convenient and tasty, but no...

Scientists call the region of space influenced by the Sun the heliosphere – but without an interstellar probe, they don’t know much about its shape

  • Written by Sarah A. Spitzer, Research Fellow in Climate and Space Sciences and Engineering, University of Michigan
imageAn artist's depiction of the heliosphere, the Sun's region of influence in space. Little is known of the actual shape of the heliosphere. NASA

The Sun warms the Earth, making it habitable for people and animals. But that’s not all it does, and it affects a much larger area of space. The heliosphere, the area of space influenced by the Sun, is...

Read more: Scientists call the region of space influenced by the Sun the heliosphere – but without an...

Scientists and Indigenous leaders team up to conserve seals and an ancestral way of life at Yakutat, Alaska

  • Written by Aron L. Crowell, Arctic Archaeologist, Smithsonian Institution
imageAncestral seal hunting happened at the edge of the Sít Tlein (Hubbard) glacier.Emily Kearney-Williams © Smithsonian Institution

Five hundred years ago, in a mountain-rimmed ocean fjord in southeast Alaska, Tlingit hunters armed with bone-tipped harpoons eased their canoes through chunks of floating ice, stalking seals near Sít...

Read more: Scientists and Indigenous leaders team up to conserve seals and an ancestral way of life at...

More Articles ...

  1. Records of Pompeii’s survivors have been found – and archaeologists are starting to understand how they rebuilt their lives
  2. New database features 250 AI tools that can enhance social science research
  3. Beyond Seinfeld’s ‘Unfrosted’ – lessons from Michigan’s serial cereal entrepreneurs
  4. Menopause treatments can help with hot flashes and other symptoms – but many people aren’t aware of the latest advances
  5. 5 reasons Supreme Court ethics questions are more common now than in the past
  6. Laws meant to keep different races apart still influence dating patterns, decades after being invalidated
  7. Only 1.8% of US doctors were Black in 1906 – and the legacy of inequality in medical education has not yet been erased
  8. Only 1.6% of US doctors were Black in 1906 – and the legacy of inequality in medical education has not yet been erased
  9. AI plus gene editing promises to shift biotech into high gear
  10. All shook up? UK’s Nigel Farage is the latest to bear the brunt of pelting as popular politics
  11. Emigration: The hidden catalyst behind the rise of the radical right in Europe’s depopulating regions
  12. Job figures are coming out, and here’s my prediction: The markets will overreact to the headlines
  13. The disproportionate toll that COVID-19 took on people with diabetes continues today
  14. 90% of Michigan state troopers are white − why making the force more representative is a challenge
  15. Young adults who fare relatively well after spending time in the child welfare system say steady support from caring grown-ups made a big difference
  16. Cities contain pockets of nature – our study shows which species are most tolerant of urbanization
  17. Summer reading: 5 young-adult fiction novels that explore LGBTQ+ teen lives
  18. Inside the rise and fall of one of the world’s most powerful writing groups
  19. What the statue of a kneeling enslaved man in the Emancipation Memorial of 1876 tells us about its history − an art historian explains
  20. Biden’s immigration order won’t fix problems quickly – 4 things to know about what’s changing
  21. Colorado to tighten regulations on funeral homes after multiple scandals − here’s what this means for families
  22. Female giraffes drove the evolution of long giraffe necks in order to feed on the most nutritious leaves, new research suggests
  23. With a record-breaking 2024 Atlantic hurricane forecast, here’s how scientists are helping Caribbean communities adapt to a warming world
  24. Heat index warnings can save lives on dangerously hot days − if people understand what they mean
  25. Removing Cuba from list of countries ‘not fully cooperating’ over terrorism may presage wider rapprochement – if politics allows
  26. Why India and Pakistan’s T20 cricket showdown in New York is such a big deal
  27. Could Elvis’ Graceland hold a key to bridging America’s cultural divide?
  28. Your favorite drink can cause breast cancer – but most women in the US aren’t aware of alcohol’s health risks
  29. 500 years ago, Machiavelli warned the public not to get complacent in the face of self-interested charismatic figures
  30. Narendra Modi sworn in as India’s prime minister for a third term after a narrow win – suggesting Indian voters saw through religious rhetoric
  31. Modi’s narrow win suggests Indian voters saw through religious rhetoric, opting instead to curtail his political power
  32. Life on the US-Mexico border is chaotic. An immigration scholar explains why − and it’s not for the reasons that some GOP lawmakers claim
  33. Wisconsin is a key swing state this year – and has a history of being unpredictable
  34. Trump’s rhetoric after his felony conviction is designed to distract, stoke fear and ease the way for an anti-democratic strongman
  35. Sargassum is choking the Caribbean’s white sand beaches, fueling an economic and public health crisis
  36. Pregnancy is an engineering challenge − diagnosing and treating preterm birth requires understanding its mechanics
  37. Messages can trigger the opposite of their desired effect − but you can avoid communication that backfires
  38. Trump’s lawyers in lawsuits claiming he won in 2020 are getting punished for abusing courts and making unsupported claims and false statements
  39. Forgetting appointments, deadlines and that call to Mom − the phenomenon of prospective memory and how to improve yours
  40. An American flag, a pencil sharpener − and the 10 Commandments: Louisiana’s new bill to mandate biblical displays in classrooms is the latest to push limits of religion in public schools
  41. Scrappy, campy and unabashedly queer, public access TV series of the 1980s and 1990s offered a rare glimpse into LGBTQ+ life
  42. ‘The first wave went through hell’ – how the 16th Infantry Regiment’s heroism helped bring victory on D-Day
  43. Mexico elects first female president − but will that improve the lot of country’s women?
  44. Online shoppers behave differently after chatting with staff of the opposite gender, new research shows – here’s why businesses should be paying attention
  45. School boards, long locally focused and nonpartisan, get dragged into the national political culture wars
  46. Anti-abortion rights activists navigate a new, post-Roe landscape, as state bans mean they can ‘save babies’
  47. Returning a 170-year-old preserved lizard to Jamaica is a step toward redressing colonial harms
  48. Perception of campus police is more negative among students from minority groups
  49. Why do astronomers look for signs of life on other planets based on what life is like on Earth?
  50. Why the future of democracy could depend on your group chats