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How many ice ages has the Earth had, and could humans live through one?

  • Written by Denise Su, Associate Professor, Arizona State University
imageDuring ice ages, ice sheets like the one in Greenland have covered much of Earth's surface. Thor Wegner/DeFodi Images 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 many ice ages has the Earth had, and could humans live...

Read more: How many ice ages has the Earth had, and could humans live through one?

Business schools get a bad rap – but a closer look shows they're often a force for good

  • Written by George Siedel, Emeritus Professor of Business, University of Michigan
imageBusiness schools are starting to emphasize societal impact.JGI/Tom Grill / Getty Images

There is no shortage of books critical of business schools. The titles leave little doubt about how much disdain the authors have for the schools meant to prepare future leaders in business.

Consider books like “Shut Down the Business School: What’s...

Read more: Business schools get a bad rap – but a closer look shows they're often a force for good

Social Security benefits play key role in preventing older Americans from lacking enough quality food

  • Written by Sophie Mitra, Professor of economics, Fordham University
imageSocial Security makes it more likely the elderly have enough food.skynesher/E+ via Getty Images

The Research Brief is a short take about interesting academic work.

The big idea

Social Security benefits make it easier for older Americans to afford the food they need to live a healthy, active life, according to our recently published research.

Although...

Read more: Social Security benefits play key role in preventing older Americans from lacking enough quality...

Should you get a COVID-19 booster shot now or wait until fall? Two immunologists help weigh the options

  • Written by Prakash Nagarkatti, Professor of Pathology, Microbiology and Immunology, University of South Carolina
imageClinical studies show that mixing and matching booster vaccines can lead to a more robust immune response.SDI Productions/E+ via Getty Images

While COVID-19 vaccines continue to be highly effective at preventing hospitalization and death, it has become clear that the protection offered by the current vaccines wanes over time. This necessitates the...

Read more: Should you get a COVID-19 booster shot now or wait until fall? Two immunologists help weigh the...

First bipartisan gun control bill in a generation signed into law: 3 essential reads on what it means

  • Written by Howard Manly, Race + Equity Editor, The Conversation US
imagePresident Joe Biden signs the Bipartisan Safer Communities Act into law.Stefani Reynolds/AFP via Getty Images

President Joe Biden signed into law on June 25, 2022, a bipartisan bill that is the first significant change in federal gun legislation in nearly three decades.

Known as the Bipartisan Safer Communities Act, the bill was written in response...

Read more: First bipartisan gun control bill in a generation signed into law: 3 essential reads on what it...

'A revolutionary ruling – and not just for abortion’: A Supreme Court scholar explains the impact of Dobbs

  • Written by Morgan Marietta, Associate Professor of Political Science, UMass Lowell
imageAnti-abortion protestors celebrate the overturning of Roe v. Wade outside the US Supreme Court on June 24.Olivier Douliery/AFP via Getty Images

The Supreme Court’s decision to reverse 50 years of constitutional protection for the right to get an abortion is more than 200 pages long. Morgan Marietta, a political scientist at the University of...

Read more: 'A revolutionary ruling – and not just for abortion’: A Supreme Court scholar explains the impact...

America's religious communities are divided over the issue of abortion: 5 essential reads

  • Written by Kalpana Jain, Senior Religion + Ethics Editor
imageAbortion rights advocates demonstrate in front of the U.S. Supreme Court in 2021, in Washington, D.C.AP Photo/Jose Luis Magana

Since the first indications that the U.S. Supreme Court could overturn the landmark Roe v. Wade ruling, following a leaked draft opinion on May 2, 2022, religious leaders from many denominations have been working to...

Read more: America's religious communities are divided over the issue of abortion: 5 essential reads

State courts from Oregon to Georgia will now decide who – if anyone – can get an abortion under 50 different state constitutions

  • Written by Stefanie Lindquist, Foundation Professor of Law and Political Science, Arizona State University
imageTemporary security fencing surrounds the U.S. Supreme Court building, ahead of its decision on abortion.Stefani Reynolds/AFP via Getty Images

The U.S. Supreme Court’s denial of abortion rights under the federal constitution is leading pro-choice advocates to seek other legal pathways to protect reproductive rights.

Just one week after the...

Read more: State courts from Oregon to Georgia will now decide who – if anyone – can get an abortion under 50...

Roe overturned: What you need to know about the Supreme Court abortion decision

  • Written by Linda C. McClain, Professor of Law, Boston University
imageA half-century of reproduction rights upended by the Supreme Court.Brandon Bell/Getty Images

After half a century, Americans’ constitutional right to get an abortion has been overturned by the Supreme Court.

The ruling in Dobbs v. Jackson Women’s Health Organization – handed down on June 24, 2022 – has far-reaching...

Read more: Roe overturned: What you need to know about the Supreme Court abortion decision

5 tips for parents of new kindergartners who are younger than their classmates

  • Written by Gregory Fabiano, Professor of Psychology, Florida International University
imageIn kindergarten, it can be apparent to teachers and parents alike that some students are younger than others.AP Photo/Marcio Jose Sanchez

A good kindergarten experience sets kids up for success in school and into adulthood. Students in smaller kindergarten classes are more likely to go to college than students from larger classes. And by age 27,...

Read more: 5 tips for parents of new kindergartners who are younger than their classmates

More Articles ...

  1. Google's powerful AI spotlights a human cognitive glitch: Mistaking fluent speech for fluent thought
  2. Misinformation will be rampant when it comes to COVID-19 shots for young children – here's what you can do to counter it
  3. How do painkillers actually kill pain? From ibuprofen to fentanyl, it's about meeting the pain where it's at
  4. Wealth of nations: Why some are rich, others are poor – and what it means for future prosperity
  5. Helping Afghanistan after earthquake will be hard: 3 questions answered
  6. Federal gas tax holiday: Biden says it will provide ‘a little bit of relief’ – but experts say even that may be a stretch
  7. Yes, fireworks prices are skyrocketing, but there should be plenty of bottle rockets and sparklers for you and your family this Fourth of July
  8. Demolishing schools after a mass shooting reflects humans' deep-rooted desire for purification rituals
  9. What is BPA and why is it in so many plastic products?
  10. Look at 3 enduring stories Americans tell about guns to understand the debate over them
  11. Abortion and bioethics: Principles to guide U.S. abortion debates
  12. Was there anything real about Elvis Presley?
  13. Citizen science volunteers are almost entirely white
  14. What is a heat dome? An atmospheric scientist explains the weather phenomenon baking large parts of the country
  15. Teacher burnout hits record high – 5 essential reads
  16. What is curtailment? An electricity market expert explains
  17. Predictable and consistent parental behavior is key for optimal child brain development
  18. Pandemic's impacts on how people live and work may change city centers for decades to come
  19. Ukraine's foreign legion may be new, but the idea isn't
  20. How Octavia E. Butler mined her boundless curiosity to forge a new vision for humanity
  21. State funds for students at religious schools? Supreme Court says 'yes' in Maine case – but consequences could go beyond
  22. Americans gave a near-record $485 billion to charity in 2021, despite surging inflation rates
  23. Starving civilians is an ancient military tactic, but today it's a war crime in Ukraine, Yemen, Tigray and elsewhere
  24. What are PFAS, and why is the EPA warning about them in drinking water? An environmental health scientist explains
  25. Here's how to meet Biden's 2030 climate goals and dramatically cut greenhouse gas emissions – with today's technology
  26. Does hardening schools make students safer?
  27. Finland's and Sweden's pursuit of NATO membership is the exact opposite of what Putin wanted for Russian neighbors
  28. Kids' neighborhoods can affect their developing brains, a new study finds
  29. Scams and cryptocurrency can go hand in hand – here's how they work and what to watch out for
  30. Millions of years ago, the megalodon ruled the oceans – why did it disappear?
  31. At last, COVID-19 shots for little kids – 5 essential reads
  32. Jan. 6 committee hearings show what went right, not just what went wrong
  33. Mike Pence's actions on Jan. 6 were wholly unremarkable – until they saved the nation
  34. The history of Southern Baptists shows they have not always opposed abortion
  35. Wiccan celebration of summer solstice is a reminder that change, as expressed in nature, is inevitable
  36. The Jan. 6 hearings are tailor-made for social media – that doesn't mean they're reaching a wide audience
  37. Decades of research document the detrimental health effects of BPA – an expert on environmental pollution and maternal health explains what it all means
  38. What’s a bear market? An economist explains
  39. People couldn't look away from the Johnny Depp and Amber Heard trial – the appeal of a relationship drama held true in the 1700s, too
  40. What is Afrofuturism? An English professor explains
  41. How do drugs know where to go in the body? A pharmaceutical scientist explains why some medications are swallowed while others are injected
  42. Jesus' earthly dad, St. Joseph – often overlooked – is honored by Father's Day in many Catholic nations
  43. A celebrated AI has learned a new trick: How to do chemistry
  44. What's at stake as Colombians choose between Trump-like populist and leftist former guerrilla for president
  45. Your past is my present – how Volodymyr Zelenskyy uses history
  46. Comprender la 'crisis de la blasfemia' entre los países musulmanes y la India
  47. Babies don't come with instruction manuals, so here are 5 tips for picking a parenting book
  48. How math and language can combine to map the globe and create strong passwords, using the power of 3 random words
  49. When texts suddenly stop: Why people ghost on social media
  50. Summer reading: 5 books on the joys and challenges of LGBTQ teen and young adult life