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The Conversation

Mining the ocean floor: 5 deep-sea sources of critical minerals essential to technology, and the fragile marine life at risk

  • Written by Leonardo Macelloni, Director of the Mississippi Mineral Resources Institute and Center for Marine Resources and Environmental Technology, University of Mississippi
imageA mechanical claw holds a polymetallic nodule, one of several seafloor sources of critical minerals.ROV-Team/GEOMAR via Wikimedia, CC BY

You may be hearing a lot lately about critical minerals and rare earth elements. These natural materials are essential to industry and modern technology – everything from cellphones to fighter jets.

They...

Read more: Mining the ocean floor: 5 deep-sea sources of critical minerals essential to technology, and the...

Iraq war’s aftermath was a disaster for the US – the Iran war is headed in the same direction

  • Written by Farah N. Jan, Senior Lecturer in International Relations, University of Pennsylvania
imageU.S. Marines crossing into Iraq from Kuwait on March 21, 2003. AP Photo/Laurent Rebours

The United States military achieved every objective it set when it went to war in Iraq in 2003. Decapitation: Saddam Hussein was captured, tried and hanged. Air dominance: total, within days. Regime collapse: The Iraqi government fell in 21 days.

Now, consider...

Read more: Iraq war’s aftermath was a disaster for the US – the Iran war is headed in the same direction

Alaska’s glacial lakes are expanding, increasing the risk of destructive outburst floods

  • Written by Dan McGrath, Associate Professor of Cryospheric Sciences, Colorado State University
imageA study explored the evolution of several glacial lakes near Bering Glacier, Alaska.Google Earth, AirbusMaxar Technologies, CNES/Airbus

Every summer, people living near the Mendenhall River in Juneau, Alaska, keep a close eye on the water level. When the river level begins to rise rapidly, it’s a sign that Suicide Basin, a small...

Read more: Alaska’s glacial lakes are expanding, increasing the risk of destructive outburst floods

US is less prone to oil price shocks than in past decades

  • Written by Amy Myers Jaffe, Director, Energy, Climate Justice, and Sustainability Lab, and Research Professor, New York University; Tufts University
imageGas prices are up, but other forces may limit the economic harm to the U.S.Frederic J. Brown/AFP via Getty Images

Oil is a global market, so when prices rise in one place, they rise everywhere. The current war against Iran has already raised oil prices significantly.

Mideast oil production has been slowed by efforts to close the Strait of Hormuz, a...

Read more: US is less prone to oil price shocks than in past decades

Mobile clinics offer a practical way to improve health care access in maternity care deserts

  • Written by Adetola F. Louis-Jacques, Associate Professor of Obstetrics and Gynecology, University of Florida

Only three of the 14 counties in north-central Florida provide full access to obstetric care. Six have low access to care – meaning there are fewer than two hospitals offering obstetric care or birth centers per 10,000 births and fewer than 60 obstetric providers. The remaining five counties are maternity care deserts. Approximately 3,400...

Read more: Mobile clinics offer a practical way to improve health care access in maternity care deserts

Why do mountaintops stay snowy, even though they’re closer to the Sun?

  • Written by Allie Mazurek, Engagement Climatologist and Researcher, Colorado Climate Center, Colorado State University

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.

Why do we see snow on mountaintops that are closer to the Sun but not near the ground? – Ms. Drews’ third grade class, Beechview Elementary School, Farmington Hills, Michigan

There&r...

Read more: Why do mountaintops stay snowy, even though they’re closer to the Sun?

Social media can draw attention to atrocities – a key factor in reducing risk of recurrence

  • Written by Arnaud Kurze, Associate Professor of Justice Studies, Montclair State University
imageA demonstrator holds a placard reading 'Save Aleppo, Free Syria' at a protest in Italy on Dec. 18, 2016.Anadolu Agency/Getty Images

Social media is often blamedfor stoking violence. But it can play a positive role by drawing attention to atrocities – both past and present – which research suggests can make them less likely to occur.

That&...

Read more: Social media can draw attention to atrocities – a key factor in reducing risk of recurrence

What James Madison can teach Americans about religious freedom today

  • Written by Corey D. B. Walker, Dean and Wake Forest Professor of the Humanities, Wake Forest University
imagePainting in the Wisconsin State Capitol of 'The Signing of the American Constitution.' George Washington is seen presiding over the occasion, and on the right in the foreground is James Madison. E. R. Curtiss/Wisconsin Historical Society/Getty Images

As the United States marks the 250th anniversary of the Declaration of Independence, debates about...

Read more: What James Madison can teach Americans about religious freedom today

Why do mountaintops stay snowy?

  • Written by Allie Mazurek, Engagement Climatologist and Researcher, Colorado Climate Center, Colorado State University

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.

Why do we see snow on mountaintops that are closer to the Sun but not near the ground? – Ms. Drews’ third grade class, Beechview Elementary School, Farmington Hills, Michigan

There&r...

Read more: Why do mountaintops stay snowy?

What does the appendix do? Biologists explain the complicated evolution of this inconvenient organ

  • Written by Phil Starks, Associate Professor of Biology, Tufts University
imageMost people get acquainted with their appendix when it's inflamed and about to rupture.Sebastian Kaulitzki/Science Photo Library via Getty Images

Most people know only two things about the appendix: You don’t need it – and if it bursts, you need surgery fast.

That basic story traces back at least to Charles Darwin, the English naturalist...

Read more: What does the appendix do? Biologists explain the complicated evolution of this inconvenient organ

More Articles ...

  1. Abandoned Pennsylvania mines and waste-heat recycling could make the state’s massive new data centers far more sustainable
  2. I’ve studied MAGA rhetoric for a decade, and this is what I see in Hegseth’s boasts, action-movie one-liners and gloating over dominance
  3. Silicone wristbands can help scientists track people’s exposure to pollutants like ‘forever chemicals’
  4. Big beautiful refund? 5 tax code changes that may put more money in your pocket
  5. Arming a Kurdish insurgency would be a risky endeavor – for both the US and Iran’s minority Kurds
  6. War in Middle East brings uncertainty and higher energy costs to already weakening US economy
  7. China’s muted response over war in Iran reflects Beijing’s delicate calculus as a concerned onlooker
  8. How Instagram addictiveness lawsuit could reshape social media – platform design meets product liability
  9. Today’s obsession with authenticity isn’t new – being true to yourself has troubled philosophers for centuries
  10. Venezuela’s fragile environment faces rising risks as US pushes for oil and critical minerals and illegal gold mining spreads
  11. When Washington and the states are in conflict, the ultimate winner is not always certain
  12. Telehealth is widely used by older adults insured by Medicare, new research shows
  13. Public health needs steady budgets – and federal funding uncertainty causes real harms, even if the money is later restored
  14. Family-friendly workplaces are great − but ‘families of 1’ get ignored
  15. Measuring poverty on a spectrum instead of an arbitrary line conveys a more accurate picture of inequality
  16. Trump offered a restrictive deal to universities that almost all rejected – but the Compact for Academic Excellence in Higher Education may not be entirely dead
  17. How does Iran go about selecting a new supreme leader? And who is in the running?
  18. Persian Gulf desalination plants could become military targets in regional war
  19. Researchers are combining drones and AI to make removing land mines faster and safer
  20. Why are some stars always visible while others come and go with the seasons?
  21. How Denver’s Northeast Park Hill community reduced youth violence by 75%
  22. Operational secrecy kept the US from making evacuation plans – and that means Americans in the Mideast could wait days
  23. Billions of dollars, decades of progress spent eliminating devastating diseases may be lost with undoing of USAID
  24. We designed an AI tutor that helps college students reason rather than give them answers
  25. Nearly a third of Pennsylvania gamblers are at risk of problem gambling − but few seek treatment
  26. 2025 was hotter than it should have been – 5 influences and a dirty surprise offer clues to what’s ahead
  27. GLP-1 drugs may fight addiction across every major substance, according to a study of 600,000 people
  28. Hezbollah − degraded, weakened but not yet disarmed − destabilizes Lebanon once again
  29. When unpaid cooking, cleaning and child care get a dollar value, income inequality in the US shrinks – but the gap has grown since 1965
  30. Trauma patients recover faster when medical teams know each other well, new study finds
  31. Housing First helps people find permanent homes in Detroit − but HUD plans to divert funds to short-term solutions
  32. Congress once fought to limit a president’s war powers − more than 50 years later, its successors are less willing to assert their authority
  33. AI and 3D printing help researchers create heat- and pressure-resistant materials for aerospace and defense applications
  34. With Artemis II facing delays, NASA announces big structural changes to the lunar program
  35. I study why zebrafish larva prefer to circle left or right, to understand how and why human brains encode right- and left-handedness
  36. Brazilian jiu-jitsu is having its #MeToo moment
  37. Front lines of humor: Dark humor voices Ukrainians’ hopes for victory
  38. Far from random, China’s global port network is clustering near the world’s riskiest trade routes
  39. CIA agents successfully executed a plan for regime change in Iran in 1953 – but Trump hasn’t revealed any signs of a plan
  40. Public defender shortage is leading to hundreds of criminal cases being dismissed
  41. Welcome to the ‘gray zone’ − home to nefarious international acts that fall short of outright conflict
  42. Stressed out by politics? You’re not imagining it, and research shows that social media is largely to blame
  43. Formerly incarcerated Black men say they’re ‘doing OK’ while trying to cope with depression and PTSD
  44. Are heroes born or made? Role models and training can prepare ordinary people to take heroic action
  45. A Plan B for space? On the risks of concentrating national space power in private hands
  46. The inspiring and tragic story of Mabel Stark, America’s most famous female tiger trainer
  47. Iran’s targeting of airport, ports and hotels in reaction to US strikes has forced Gulf nations onto front lines of a war they want no part in
  48. ‘Destruction is not the same as political success’: US bombing of Iran shows little evidence of endgame strategy
  49. Ayatollah Ali Khamenei’s killing plays into Shiite Islam’s reverence for martyrs, but not for all Iranians
  50. Why are so many statues naked? An art historian explains this tradition’s ancient roots