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Music can change how you feel about the past

  • Written by Yiren Ren, Adjunct Researcher in Cognitive Brain Science, Georgia Institute of Technology
imageMusic could alter the emotional tenor of your memories.CoffeeAndMilk/E+ via Getty Images

Have you ever noticed how a particular song can bring back a flood of memories? Maybe it’s the tune that was playing during your first dance, or the anthem of a memorable road trip.

People often think of these musical memories as fixed snapshots of the...

Read more: Music can change how you feel about the past

The apocalypse that wasn’t: AI was everywhere in 2024’s elections, but deepfakes and misinformation were only part of the picture

  • Written by Bruce Schneier, Adjunct Lecturer in Public Policy, Harvard Kennedy School
imageAI played many roles in 2024's elections.AP Photo/Paul Vernon

It’s been the biggest year for elections in human history: 2024 is a “super-cycle” year in which 3.7 billion eligible voters in 72 countries had the chance to go the polls. These are also the first AI elections, where many feared that deepfakes and artificial...

Read more: The apocalypse that wasn’t: AI was everywhere in 2024’s elections, but deepfakes and...

Why sending a belated gift is not as bad as you probably think − and late is better than never

  • Written by Rebecca Walker Reczek, Professor of Marketing, The Ohio State University
imageThe thoughtfulness counts more than the timeliness.Maria Korneeva/Moment via GettyImages

If finding the right present and making sure the recipient gets it on time leaves you feeling anxious, you’re not alone. More than half of Americans say that gift-giving stresses them out.

Concerns about on-time delivery are so common that people share...

Read more: Why sending a belated gift is not as bad as you probably think − and late is better than never

Tip pressure might work in the moment, but customers are less likely to return

  • Written by Sara Hanson, Associate Professor of Marketing, University of Richmond
imageNobody likes feeling pressured.lechatnoir/E+ via Getty Images

Have you ever hesitated at the register, uncomfortable as an employee watched you choose a tip? It’s not just you. The rise of digital tipping systems – from point-of-sale devices held by employees to countertop screens that clearly display your selection – is changing...

Read more: Tip pressure might work in the moment, but customers are less likely to return

Dozens of cyclists and pedestrians are killed each year in Philly − an injury epidemiologist explains how to better protect bike lanes, slow drivers down and reduce collisions

  • Written by D. Alex Quistberg, Associate Research Professor, Urban Health Collaborative, Drexel University
imageMore than half of Philadelphia commuters drive to work, while 21% take public transportation, 8% walk and 2% bike, <a href="https://www.phila.gov/media/20230901072757/PCPC.Pedestrian-and-Bicycle-Plan-Progress-Report-2021.pdf"> according to the Philadelphia City Planning Commission</a>. Jumping Rocks/UCG/Universal Images Group via Getty...

Read more: Dozens of cyclists and pedestrians are killed each year in Philly − an injury epidemiologist...

US attorney general’s professionalism can protect Americans’ privacy, former federal judge explains

  • Written by John E. Jones III, President, Dickinson College
imageThe main building of the U.S. Justice Department is the center of operations for the attorney general.AP Photo/Alex Brandon

As President-elect Donald Trump announces his prospective Cabinet nominations, The Conversation U.S. Politics Editor Jeff Inglis spoke with John E. Jones III about how the U.S. attorney general – the head law enforcement...

Read more: US attorney general’s professionalism can protect Americans’ privacy, former federal judge explains

Tiff Massey’s ‘7 Mile Livernois’ exhibition isn’t just about a neighborhood – it’s a tribute to Black Detroit

  • Written by Samantha Noël, Associate Professor of Art History, Wayne State University
imageTiff Massey poses with a Cadillac to promote her exhibition about metalsmithing, jewelry and the city's streets.Detroit Institute of the Arts

“7 Mile + Livernois” at the Detroit Institute of Arts celebrates Detroit as a place for Black women to live and create by elevating both the work of the featured artist, Tiff Massey, and the...

Read more: Tiff Massey’s ‘7 Mile Livernois’ exhibition isn’t just about a neighborhood – it’s a tribute to...

Fossilized footprints reveal 2 extinct hominin species living side by side 1.5 million years ago

  • Written by Anna K. Behrensmeyer, Senior Research Geologist and Curator of Vertebrate Paleontology, Smithsonian Institution
imageExcavating the new trackway site, with footprints from hominins, birds and other animals visible in foreground.Neil Roach

Human footprints stir the imagination. They invite you to follow, to guess what someone was doing and where they were going. Fossilized footprints preserved in rock do the same – they record instants in the lives of many...

Read more: Fossilized footprints reveal 2 extinct hominin species living side by side 1.5 million years ago

208 million Americans are classified as obese or overweight, according to new study synthesizing 132 data sources

  • Written by Marie Ng, Affiliate Associate Professor of Global Health, University of Washington
imageOverweight and obesity rates are rising in all age ranges across the U.S.Mohamed Rida ROKI/iStock via Getty Images Plus

Nearly half of adolescents and three-quarters of adults in the U.S. were classified as being clinically overweight or obese in 2021. The rates have more than doubled compared with 1990.

Without urgent intervention, our study...

Read more: 208 million Americans are classified as obese or overweight, according to new study synthesizing...

An upward spiral – how small acts of kindness and connection really can change the world, according to psychology research

  • Written by Liza M. Hinchey, Postdoctoral Research Fellow in Psychology, Wayne State University
imageStrengthening relationships strengthens communities, which influences societies.Charles Gullung/The Image Bank via Getty Images

Political chasms, wars, oppression … it’s easy to feel hopeless and helpless watching these dark forces play out. Could any of us ever really make a meaningful difference in the face of so much devastation?

Give...

Read more: An upward spiral – how small acts of kindness and connection really can change the world,...

More Articles ...

  1. Why Israel and Hezbollah reached a ceasefire now − and what it means for Israel, Lebanon, Biden and Trump
  2. Is using AI tools innovation or exploitation? 3 ways to think about the ethics
  3. UN climate negotiations end on shaky geopolitical ground, but I see reasons for hope
  4. Cycling can make seniors healthier and more independent − here’s how to design bikes and networks that meet their needs
  5. Cinnamon, spice and ‘everything nice’ – why lead-tainted cinnamon products have turned up on shelves, and what questions consumers should ask
  6. Light exercise can yield significant cognitive benefits, new research shows
  7. On Bodhi Day, Buddhists commemorate Siddhartha Gautama’s enlightenment by lighting lamps to combat darkness
  8. ‘Insurrection,’ ‘equity’ and more − these are the words that trigger Trump supporters
  9. To control your spending this holiday season, stick with cash
  10. Trump’s next HUD secretary would have a lot to do to address the history of racist housing policy – and Trump’s own comments and history suggest that’s unlikely
  11. How the gladiators inspired evangelicals’ sense of persecution
  12. Taxpayers spend 22% more per patient to support Medicare Advantage – the private alternative to Medicare that promised to cost less
  13. China’s influence grows at COP29 climate talks as US leadership fades
  14. Amid lull in tit-for-tat missile exchange, Iran and Israel seek to control the online narrative
  15. Students go to hell and back in this course that looks at depictions of the damned throughout the ages
  16. Election reform was on the ballot – voters largely said ‘no’
  17. Polling in the age of Trump highlights flawed methods and filtered realities
  18. I wrote a book on the execution of the Rosenbergs for Cold War spying – and a recently declassified document has convinced me that Ethel was innocent
  19. Tiny laboratories that fit in your hand can rapidly identify pathogens using electricity
  20. Gen Z heads home: How to navigate the evolving parent-child relationship as kids become adults
  21. In a world where political polarization and disengagement are denting democracy, does Botswana’s ‘kgotla’ system hold the key?
  22. Opioid-free surgery treats pain at every physical and emotional level
  23. Sean ‘Diddy’ Combs’ case raises questions about the many observers who might have ignored his alleged crimes
  24. As Trump touts plans for immigrant roundup, militias are standing back, but standing by
  25. AI has been a boon for marketing, but the dark side of using algorithms to sell products and brands is little studied
  26. Meat has a distinct taste, texture and aroma − a biochemist explains how plant-based alternatives mimic the real thing
  27. Is it possible to dig all the way through the Earth to the other side?
  28. How the first Pilgrims and the Puritans differed in their views on religion and respect for Native Americans
  29. US House passes measure that could punish nonprofits Treasury Department decides are ‘terrorist’
  30. Dogecoin is a joke − so what’s behind its rally?
  31. Presidents often claim mandates − especially when they want to expand their power or are on the defensive
  32. Awkwardness can hit in any social situation – here are a philosopher’s 5 strategies to navigate it with grace
  33. AI harm is often behind the scenes and builds over time – a legal scholar explains how the law can adapt to respond
  34. Denmark’s uprooting of settled residents from ‘ghettos’ forms part of aggressive plan to assimilate nonwhite inhabitants
  35. Americans agree politics is broken − here are 5 ideas for fixing key problems
  36. Vulnerability to financial scams in aging adults could be an early indicator of Alzheimer’s disease, new research shows
  37. No need to overload your cranberry sauce with sugar this holiday season − a food scientist explains how to cook with fewer added sweeteners
  38. Graduate students explore America’s polarized landscape via train in this course
  39. To some ancient Romans, gladiators were the embodiment of tyranny
  40. Activism on foot: When Indigenous activists walk the land to honor their past and reshape their future
  41. New maps show high-risk zones for whale-ship collisions − vessel speed limits and rerouting can reduce the toll
  42. ICC arrest warrants for Israel’s Netanyahu and Hamas leader doesn’t mean those accused will face trial anytime soon
  43. Why you should get to know Thomas Aquinas, even 800 years after he lived
  44. Crypto is soaring after Trump’s election − but is it a good ethical investment?
  45. Red flag laws are still used in Colorado’s Second Amendment sanctuaries, just less frequently
  46. Americans agree more than they might think − not knowing this jeopardizes the nation’s shared values
  47. Doctor’s bills often come with sticker shock for patients − but health insurance could be reinvented to provide costs upfront
  48. Grantland Rice, the Four Horsemen and the blowout that never was
  49. Public health surveillance, from social media to sewage, spots disease outbreaks early to stop them fast
  50. Fast fashion may seem cheap, but it’s taking a costly toll on the planet − and on millions of young customers