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Sleep loss rewires the brain for cravings and weight gain – a neurologist explains the science behind the cycle

  • Written by Joanna Fong-Isariyawongse, Associate Professor of Neurology, University of Pittsburgh
imageGetting enough sleep is one of the most effective ways to restore metabolic balance in the brain and body.SimpleImages/Moment via Getty Images

You stayed up too late scrolling through your phone, answering emails or watching just one more episode. The next morning, you feel groggy and irritable. That sugary pastry or greasy breakfast sandwich...

Read more: Sleep loss rewires the brain for cravings and weight gain – a neurologist explains the science...

Conflicted, disillusioned, disengaged: The unsettled center of Jewish student opinion after Oct. 7

  • Written by Jonathan Krasner, Associate Professor of Jewish Education Research, Brandeis University
imagePro-Palestinian students pass the flag of Israel while walking out of commencement in protest at the Massachusetts Institute of Technology on May 30, 2024.AP Photo/Charles Krupa

As commencement season comes to a close, many campuses remain riven by the Israel-Hamas war. At the Massachusetts Institute of Technology, the undergraduate class president...

Read more: Conflicted, disillusioned, disengaged: The unsettled center of Jewish student opinion after Oct. 7

A new book of Edward Gorey’s drawings shows what’s lost when the artist’s sexuality is glossed over

  • Written by Elizabeth Wolfson, Assistant Director of Campus Partnerships for the Office of Public Scholarship, Washington University in St. Louis
imageEdward Gorey on the set he designed for the Broadway revival of Bram Stoker's 'Dracula' in 1977. Jack Mitchell/Getty Images

Artist, illustrator and writer Edward Gorey would have turned 100 this year, and the recently published “From Ted to Tom: The Illustrated Envelopes of Edward Gorey” is a fitting celebration of his wit and talent.

Th...

Read more: A new book of Edward Gorey’s drawings shows what’s lost when the artist’s sexuality is glossed over

Is Mars really red? A physicist explains the planet’s reddish hue and why it looks different to some telescopes

  • Written by David Joffe, Associate Professor of Physics, Kennesaw State University
imageSiccar Point, photographed by the Curiosity rover, is near Mars' Gale Crater. NASA/JPL-Caltech/MSSS; Processing & License: Kevin M. Gill

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.

Is Mars really as red as people say it is? –...

Read more: Is Mars really red? A physicist explains the planet’s reddish hue and why it looks different to...

RNA has newly identified role: Repairing serious DNA damage to maintain the genome

  • Written by Francesca Storici, Professor of Biological Sciences, Georgia Institute of Technology
imageDouble-strand breaks in DNA can be deadly.Victor Golmer/iStock via Getty Images Plus

Your DNA is continually damaged by sources both inside and outside your body. One especially severe form of damage called a double-strand break involves the severing of both strands of the DNA double helix.

Double-strand breaks are among the most difficult forms of...

Read more: RNA has newly identified role: Repairing serious DNA damage to maintain the genome

Will AI take your job? The answer could hinge on the 4 S’s of the technology’s advantages over humans

  • Written by Bruce Schneier, Adjunct Lecturer in Public Policy, Harvard Kennedy School
imageSometimes speed matters – and sometimes it doesn't.Korakrich Suntornnites/iStock via Getty Images

If you’ve worried that AI might take your job, deprive you of your livelihood, or maybe even replace your role in society, it probably feels good to see the latest AI tools fail spectacularly. If AI recommends glue as a pizza topping, then...

Read more: Will AI take your job? The answer could hinge on the 4 S’s of the technology’s advantages over...

Trade in a mythical fish is threatening real species of rays that are rare and at risk

  • Written by James Marcus Drymon, Associate Extension Professor in Marine Fisheries Ecology, Mississippi State University
imageThese 'pez diablo,' or devil fish, are actually guitarfishes that have been caught, killed, dried and carved into exotic shapes. Bryan Huerta-Beltrán, CC BY-ND

From the Loch Ness monster to Bigfoot, also known as Sasquatch, to the jackalope of the U.S. West, mythical animals have long captured human imagination.

Some people are so...

Read more: Trade in a mythical fish is threatening real species of rays that are rare and at risk

Millions rally against authoritarianism, while the White House portrays protests as threats – a political scientist explains

  • Written by Jeremy Pressman, Professor of Political Science, University of Connecticut
imageProtesters parade through the Marigny neighborhood of New Orleans as part of the nationwide No Kings protest against President Donald Trump, on June 14, 2025. Patt Little/Anadolu via Getty Images

At the end of a week when President Donald Trump sent Marines and the California National Guard to Los Angeles to quell protests, Americans across the...

Read more: Millions rally against authoritarianism, while the White House portrays protests as threats – a...

Forcible removal of US Sen. Alex Padilla signals a dangerous shift in American democracy

  • Written by Charlie Hunt, Associate Professor of Political Science, Boise State University
imageU.S. Sen. Alex Padilla of California is pushed out of the room after he interrupted Homeland Security Secretary Kristi Noem during a news conference in Los Angeles on June 12, 2025. David Crane/MediaNews Group/Los Angeles Daily News via Getty Images

Democratic leaders and a lone Republican senator, Alaska’s Lisa Murkowski, quickly decried the...

Read more: Forcible removal of US Sen. Alex Padilla signals a dangerous shift in American democracy

What does Israel’s strike mean for US policy on Iran and prospects for a nuclear deal?

  • Written by Javed Ali, Associate Professor of Practice of Public Policy, University of Michigan
imageSmoke rises over Tehran, Iran, following an Israeli strike on June 13, 2025.SAN/Middle East Images/AFP via Getty Images

Israel’s strike on Iranian nuclear and military facilities has pushed the Middle East one step closer to a far wider, more dangerous regional war. It also has implications for recent U.S. diplomatic efforts toward a deal...

Read more: What does Israel’s strike mean for US policy on Iran and prospects for a nuclear deal?

More Articles ...

  1. Protecting the vulnerable, or automating harm? AI’s double-edged role in spotting abuse
  2. Sly Stone turned isolation into inspiration, forging a path for a generation of music-makers
  3. Southern Baptists’ call for the US Supreme Court to overturn its same-sex marriage decision is part of a long history of opposing women’s and LGBTQ+ people’s rights
  4. Colorado’s fentanyl criminalization bill won’t solve the opioid epidemic, say the people most affected
  5. Data on sexual orientation and gender is critical to public health – without it, health crises continue unnoticed
  6. Supreme Court ignores precedent instead of overruling it in allowing president to fire officials whom Congress tried to make independent
  7. House tax-and-spending bill and other Trump administration changes could make millions of people lose their health insurance coverage
  8. RFK Jr’s shakeup of vaccine advisory committee raises worries about scientific integrity of health recommendations
  9. Two-state solution in the Middle East has been a core US policy for 25 years – is the Trump administration eyeing a change?
  10. US Army’s image of power and flag-waving rings false to Gen Z weary of gun violence − and long-term recruitment numbers show it
  11. Older adults with dementia misjudge their financial skills – which may make them more vulnerable to fraud, new research finds
  12. AI literacy: What it is, what it isn’t, who needs it and why it’s hard to define
  13. Federal R D funding boosts productivity for the whole economy − making big cuts to such government spending unwise
  14. AI tools collect and store data about you from all your devices – here’s how to be aware of what you’re revealing
  15. Energy Star, on the Trump administration’s target list, has a long history of helping consumers’ wallets and the planet
  16. Adolescents who smoke or vape may believe tobacco’s perceived coping benefits outweigh accepted health risks
  17. How a new bus line in Philadelphia is defying post-pandemic transit trends
  18. From Washington’s burned letters to Trump’s missing transcripts, partial presidential records limit people’s full understanding of history
  19. The complex reality of college student mental health: Data reveals both challenges and positive trends
  20. Video games teach students in this class how religion works in the modern world
  21. A portrait taken in North Philly in the 1980s reconnects poet with cherished memories of her own beloved father
  22. Family homesteads with tangled titles are contributing to rural America’s housing crisis
  23. How your air conditioner can help the power grid, rather than overloading it
  24. Antagonism to transgender rights is tied to the authoritarian desire for social conformity – not just partisan affiliation
  25. Politics based on grievance has a long and violent history in America
  26. How was the wheel invented? Computer simulations reveal the unlikely birth of a world-changing technology nearly 6,000 years ago
  27. We surveyed 1,500 Florida kids about cellphones and their mental health – what we learned suggests school phone bans may have important but limited effects
  28. You’re probably richer than you think because of the safety net – but you’d have more of that hidden wealth if you lived in Norway
  29. A field guide to ‘accelerationism’: White supremacist groups using violence to spur race war and create social chaos
  30. World’s most powerful ex-New Yorker gets a DC military parade, not a ticker-tape celebration in Manhattan’s Canyon of Heroes
  31. Teens say they can access firearms at home, even when parents lock them up, new research shows
  32. LGBTQ+ patients stay up-to-date on preventive care when their doctors are supportive, saving money and lives throughout society
  33. Where is the center of the universe?
  34. Do you know how to prepare for your digital life after death? CU Boulder’s student-run clinic has some advice
  35. How the ‘Big Beautiful Bill’ positions US energy to be more costly for consumers and the climate
  36. For Trump’s ‘no taxes on tips,’ the devil is in the details
  37. 100 years ago, the Social Gospel movement pushed to improve workers’ lives – but also to promote its vision of Christian America
  38. Trump–Xi call boosts Chinese president’s tough man image — and may have handed him the upper hand in future talks
  39. Binge drinking brake found in mouse brains, offering future path to treating alcohol abuse – new research
  40. Dismal ticket sales, grumblings from fans and clubs – is FIFA’s latest attempt to establish a global club game doomed before it starts?
  41. Ancient fossils show how the last mass extinction forever scrambled the ocean’s biodiversity
  42. Trump orders Marines to Los Angeles as protests escalate over immigration raids, demonstrating the president’s power to deploy troops on US soil
  43. ‘Who controls the present controls the past’: What Orwell’s ‘1984’ explains about the twisting of history to control the public
  44. Americans still have faith in local news − but few are willing to pay for it
  45. How school choice policies evolved from supporting Black students to subsidizing middle-class families
  46. Your brain learns from rejection − here’s how it becomes your compass for connection
  47. NCAA will pay its current and former athletes in an agreement that will transform college sports
  48. Lafayette helped Americans turn the tide in their fight for independence – and 50 years later, he helped forge the growing nation’s sense of identity
  49. If people stopped having babies, how long would it be before humans were all gone?
  50. From Kent State to Los Angeles, using armed forces to police civilians is a high-risk strategy