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The Conversation

Molecular ‘fossils’ offer microscopic clues to the origins of life – but they take care to interpret

  • Written by Caroline Lynn Kamerlin, Professor of Chemistry and Biochemistry, Georgia Institute of Technology
imageATP synthase is an enzyme that has been using phosphate to generate life’s energy for millions of years.Nanoclustering/Science Photo Library via Getty Images

The questions of how humankind came to be, and whether we are alone in the universe, have captured imaginations for millennia. But to answer these questions, scientists must first...

Read more: Molecular ‘fossils’ offer microscopic clues to the origins of life – but they take care to interpret

Identifying as a ‘STEM person’ makes you more likely to pursue a STEM job – and caregivers may unknowingly shape kids’ self-identity

  • Written by Remy Dou, Associate Professor of Teaching and Learning, University of Miami
imageKids seem to get a message that STEM jobs aren't compatible with being a primary caregiver.kali9/E+ via Getty Images

Employers in science, technology, engineering and mathematics – commonly called the STEM industries – continue to struggle to attract female applicants. In its 2024 jobs report, the National Science Board found that men...

Read more: Identifying as a ‘STEM person’ makes you more likely to pursue a STEM job – and caregivers may...

Emergency alerts may not reach those who need them most in Colorado

  • Written by Carson MacPherson-Krutsky, Research Associate, Natural Hazards Center, University of Colorado Boulder
imageA firefighter watches as the NCAR Fire burns on March 26, 2022, in Boulder, Colo. Michael Ciaglo via Getty Images

Many Coloradans may never get an alert that could save their life during a disaster.

And the alerts that go out may not easily be understood by the people who do get them.

We are social scientists who study emergency alerts and warnings,...

Read more: Emergency alerts may not reach those who need them most in Colorado

2 shootings, 2 states, minutes apart − a trauma psychiatrist explains how exposure to shootings changes all of us

  • Written by Arash Javanbakht, Professor of Psychiatry, Wayne State University
imageGreater numbers of people are being exposed to horrific violence than in the past, in large part through the amplification on social media.Michael Ciaglo/Getty Images News via Getty Images

On Sept. 10, 2025, the nation’s attention was riveted by the fatal shooting of the conservative activist Charlie Kirk on a college campus in Utah. At...

Read more: 2 shootings, 2 states, minutes apart − a trauma psychiatrist explains how exposure to shootings...

The Moon is getting slightly farther away from the Earth each year − a physicist explains why

  • Written by Stephen DiKerby, Postdoctoral Researcher in Physics and Astronomy, Michigan State University
imageEarth rises over the Moon, as seen by the Apollo 8 astronauts.Bill Anders/NASA

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 the Moon getting farther away from Earth?” – Judah, 9, Broken Arrow, Oklahoma

The Moon is...

Read more: The Moon is getting slightly farther away from the Earth each year − a physicist explains why

Harm-reduction vending machines offer free naloxone, pregnancy tests and hygiene kits

  • Written by Alice Zhang, Assistant Professor of Family and Community Medicine, Penn State
imageA vending machine dispenses Narcan nasal spray, a medication that reverses opioid overdose, and other items. Penn State College of Medicine

In the lobby of the YMCA in Reading, Pennsylvania, stands a row of vending machines – but one machine is different from the rest.

Instead of stocking chips or soda, this vending machine has drug-testing...

Read more: Harm-reduction vending machines offer free naloxone, pregnancy tests and hygiene kits

Xi’s show of unity with Putin and Kim could complicate China’s delicate diplomatic balance

  • Written by Linggong Kong, Ph.D. Candidate in Political Science, Auburn University
imageRussian President Vladimir Putin walks with Chinese President Xi Jinping and North Korean leader Kim Jong Un in Beijing's Tiananmen Square on Sept. 3, 2025.Alexander Kazakov/AFP via Getty Images

If the purpose of a rare joint appearance of the leaders of Russia, North Korea and China on Sept. 3, 2025, was to foster unity among allies, then early...

Read more: Xi’s show of unity with Putin and Kim could complicate China’s delicate diplomatic balance

Even professional economists can’t escape political bias

  • Written by Aeimit Lakdawala, Associate Professor of Economics, Wake Forest University

Republican-leaning economists tend to predict stronger economic growth when a Republican is president than Democrats do – and because of this partisan optimism, their forecasts end up being less accurate.

I’m an economist, and my colleagues and I found this by analyzing nearly 40 years of responses to The Wall Street Journal’s Econ...

Read more: Even professional economists can’t escape political bias

Transgender policies struggle to balance fairness with inclusion in women’s college sports

  • Written by Amanda Siegrist, Associate Professor of Recreation and Sport Management, Coastal Carolina University
imageLia Thomas, second from left, stands on the starting blocks during the 500-yard freestyle finals at the NCAA swimming and diving championships in Atlanta on March 17, 2022.Rich von Biberstein/Icon Sportswire via Getty Images

With two executive orders related to school sports, President Donald Trump recently tried to settle the growing legal...

Read more: Transgender policies struggle to balance fairness with inclusion in women’s college sports

What Native-held lands in California can teach about resilience and the future of wildfire

  • Written by Nina Fontana, Researcher in Native American Studies, University of California, Davis
imageBlue oak woodlands in California offer beauty and opportunities to sustain traditional knowledge and ecological resilience.Nina Fontana, CC BY-NC-ND

It took decades, stacks of legal paperwork and countless phone calls, but, in the spring of 2025, a California Chuckchansi Native American woman and her daughter walked onto a 5-acre parcel of land,...

Read more: What Native-held lands in California can teach about resilience and the future of wildfire

More Articles ...

  1. Solving the world’s microplastics problem: 4 solutions cities and states are trying after global treaty talks collapsed
  2. Charlie Kirk talked with young people at universities for a reason – he wanted American education to return to traditional values
  3. How hardships and hashtags combined to fuel Nepal’s violent response to social media ban
  4. How to avoid seeing disturbing content on social media and protect your peace of mind
  5. Yes, this is who we are: America’s 250-year history of political violence
  6. Scientists detected a potential biosignature on Mars – an astrobiologist explains what these traces of life are, and how researchers figure out their source
  7. Parasitic worms bury themselves in the brains of moose and elk – a new test can help diagnose these animals to prevent disease spread
  8. ‘Publish or perish’ evolutionary pressures shape scientific publishing, for better and worse
  9. Beauty sleep isn’t a myth – a sleep medicine expert explains how rest keeps your skin healthy and youthful
  10. Proposed cuts to NIH funding would have ripple effects on research that could hamper the US for decades
  11. Social scientists have long found women tend to be more religious than men – but Gen Z may show a shift
  12. Fewer international students are coming to the US, costing universities and communities that benefit from these visitors
  13. Bolsonaro joins a rogues’ gallery of coup plotters held to account for their failed power grab
  14. ‘This will not end here’: A scholar explains why Charlie Kirk’s killing could embolden political violence
  15. Detroit is the most challenging place in the country for people with asthma − here’s how to help kids in the Motor City breathe easier
  16. Who was Charlie Kirk? The activist who turned campus politics into national influence
  17. Federal subpoenas for transgender care records raise medical privacy concerns and put providers in a legal bind – a health law expert explains what’s at stake
  18. A federal program helps older people get jobs, but the Trump administration wants to get rid of it
  19. A new world order isn’t coming, it’s already here − and this is what it looks like
  20. A massive eruption 74,000 years ago affected the whole planet – archaeologists use volcanic glass to figure out how people survived
  21. How Giorgio Armani mastered the art of outfitting Hollywood stars to sell clothes to the masses
  22. How ‘South Park’ could help Democrats win back the young voters the party lost to Trump
  23. Drugged driving – including under the influence of cannabis and prescription drugs – is quietly becoming one of the most dangerous road hazards
  24. Poland responds to Russian drones incursion by invoking Article 4 of the NATO treaty − what happens next?
  25. Israeli strike in Doha crosses a new line from which relations with Gulf may not recover
  26. The discovery of a gravitational wave 10 years ago shook astrophysics – these ripples in spacetime continue to reveal dark objects in the cosmos
  27. Where does your glass come from?
  28. Sacred texts and ‘little bells’: The building blocks of Arvo Pärt’s musical masterpieces
  29. 40 years ago, the first AIDS movies forced Americans to confront a disease they didn’t want to see
  30. Doctors are joining unions in a bid to improve working conditions and raise wages in a stressful health care system
  31. Why journalists are reluctant to call Trump an authoritarian – and why that matters for democracy
  32. Bail reforms across the US have shown that releasing people pretrial doesn’t harm public safety
  33. How does AI affect how we learn? A cognitive psychologist explains why you learn when the work is hard
  34. Israel’s attack in Doha underscores a stark reality for Gulf states looking for stability and growth: They remain hostage to events
  35. New report ranks Philadelphia and Allentown among toughest cities in America for people with asthma
  36. What causes muscle cramps during exercise? Athletes and coaches may want to look at the playing surface
  37. We tracked every overseas trip by world leaders since the end of the Cold War – here’s what we found
  38. The surprising recovery of once-rare birds
  39. Techno-utopians like Musk are treading old ground: The futurism of early 20th-century Europe
  40. Trump reversed policies supporting electric vehicles − it will affect the road to clean electricity, too
  41. Brazil’s Bolsonaro may soon join ranks of failed coup plotters held to account − hampering the chance of any political comeback
  42. How Trump’s dismissal of a Fed governor could redefine presidential power – if courts agree that he alone can interpret vague laws
  43. Trump’s radical argument that he alone can interpret vague laws fails its first court test in dismissal of Fed governor
  44. Philly’s Puerto Rican Day Parade embodies strength of the mainland’s second-largest Boricua community
  45. When you’re caught between ‘yes’ and ‘no,’ here’s why ‘maybe’ isn’t the way to go
  46. 50 years ago, NASA sent 2 spacecraft to search for life on Mars – the Viking missions’ findings are still discussed today
  47. How is paint made?
  48. Boosting timber harvesting in national forests while cutting public oversight won’t solve America’s wildfire problem
  49. Complying with Trump administration’s attack on DEI could get employers into legal trouble
  50. George Washington’s worries are coming true