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3D-printed model of a 500-year-old prosthetic hand hints at life of a Renaissance amputee

  • Written by Heidi Hausse, Associate Professor of History, Auburn University
imageTechnology is more than just mechanisms and design -- it's ultimately about people. Adriene Simon/College of Liberal Arts, Auburn University, CC BY-SA

To think about an artificial limb is to think about a person. It’s an object of touch and motion made to be used, one that attaches to the body and interacts with its user’s world.

Historic...

Read more: 3D-printed model of a 500-year-old prosthetic hand hints at life of a Renaissance amputee

The Vera C. Rubin Observatory will help astronomers investigate dark matter, continuing the legacy of its pioneering namesake

  • Written by Samantha Thompson, Astronomy Curator, National Air and Space Museum, Smithsonian Institution
imageThe Rubin Observatory is scheduled to release its first images in 2025.RubinObs/NOIRLab/SLAC/NSF/DOE/AURA/B. Quint

Everything in space – from the Earth and Sun to black holes – accounts for just 15% of all matter in the universe. The rest of the cosmos seems to be made of an invisible material astronomers call dark matter.

Astronomers...

Read more: The Vera C. Rubin Observatory will help astronomers investigate dark matter, continuing the legacy...

Diversifying the special education teacher workforce could benefit US schools

  • Written by Elizabeth Bettini, Assistant Professor of Special Education, Boston University
imageThe demographics of the special education teacher workforce have remained static, but the student population these educators serve is becoming more diverse.Courtney Hale/E+ via Getty Images

Teachers of color positively impact all students, including students of color with disabilities. Yet, the special education teacher workforce is overwhelmingly...

Read more: Diversifying the special education teacher workforce could benefit US schools

Charitable giving grew to $593B in 2024, propelled by a strengthening US economy and a booming stock market

  • Written by Jon Bergdoll, Associate Director of Data Partnerships at the Lilly Family School of Philanthropy, Indiana University
imagePaul Newman, the late actor and philanthropist, co-founded Camp Boggy Creek, which children with serious illnesses and their families attend for free. AP Photo/Phelan M. Ebenhack

U.S. charitable giving increased 3.3% to US$593 billion in 2024, lifted by the strength of the economy.

The annual report from the Giving USA Foundation, produced in...

Read more: Charitable giving grew to $593B in 2024, propelled by a strengthening US economy and a booming...

Presidents of both parties have launched military action without Congress declaring war − Trump’s bombing of Iran is just the latest

  • Written by Sarah Burns, Associate Professor of Political Science, Rochester Institute of Technology
imagePresident Donald Trump is seen on a monitor in the White House press briefing room on June 21, 2025, after the U.S. military strike on three sites in Iran. AP Photo/Alex Brandon

In the wake of the U.S. strikes on Iranian nuclear facilities on June 22, 2025, many congressional Democrats and a few Republicans have objected to President Donald...

Read more: Presidents of both parties have launched military action without Congress declaring war − Trump’s...

How the end of carbon capture could spark a new industrial revolution

  • Written by Andres Clarens, Professor of Civil and Environmental Engineering, University of Virginia
imageSteelmaking uses a lot of energy, making it one of the highest greenhouse gas-emitting industries. David McNew/Getty Images

The U.S. Department of Energy’s decision to claw back US$3.7 billion in grants from industrial demonstration projects may create an unexpected opening for American manufacturing.

Many of the grant recipients were...

Read more: How the end of carbon capture could spark a new industrial revolution

3 years after abortion rights were overturned, contraception access is at risk

  • Written by Cynthia H. Chuang, Professor of Medicine and Public Health Sciences, Penn State
imageWomen living in states that ban or severely restrict abortion may be especially motivated to avoid unintended pregnancy.Viktoriya Skorikova/Moment via Getty Images

On June 24, 2022, the U.S. Supreme Court decision in Dobbs v. Jackson Women’s Health Organization eliminated a nearly 50-year constitutional right to abortion and returned the autho...

Read more: 3 years after abortion rights were overturned, contraception access is at risk

To spur the construction of affordable, resilient homes, the future is concrete

  • Written by Pablo Moyano Fernández, Assistant Professor of Architecture, Washington University in St. Louis
imageA modular, precast system of concrete 'rings' can be connected in different ways to build a range of models of energy-efficient homes.Pablo Moyano Fernández, CC BY-SA

Wood is, by far, the most common material used in the U.S. for single-family home construction.

But wood construction isn’t engineered for long-term durability, and it oft...

Read more: To spur the construction of affordable, resilient homes, the future is concrete

Astronomy has a major data problem – simulating realistic images of the sky can help train algorithms

  • Written by John Peterson, Assoc. Professor of Physics and Astronomy, Purdue University
imageA simulation of a set of synthetic galaxies. Photons are sampled from these galaxies and have been simulated through the Earth's atmosphere, a telescope and a sensor using a code called PhoSim.John Peterson/Purdue

Professional astronomers don’t make discoveries by looking through an eyepiece like you might with a backyard telescope. Instead,...

Read more: Astronomy has a major data problem – simulating realistic images of the sky can help train...

Neuropathic pain has no immediate cause – research on a brain receptor may help stop this hard-to-treat condition

  • Written by Pooja Shree Chettiar, Ph.D. Candidate in Medical Sciences, Texas A&M University
imageNeuropathic pain is experienced both physically and emotionally.Salim Hanzaz/iStock via Getty Images

Pain is easy to understand until it isn’t. A stubbed toe or sprained ankle hurts, but it makes sense because the cause is clear and the pain fades as you heal.

But what if the pain didn’t go away? What if even a breeze felt like fire, or...

Read more: Neuropathic pain has no immediate cause – research on a brain receptor may help stop this...

More Articles ...

  1. I’m an expert in crafting public health messages: Here are 3 marketing strategies I use to make Philadelphia healthier
  2. How do atoms form? A physicist explains where the atoms that make up everything around come from
  3. The sleeper Supreme Court decision that could have profound impacts on the Trump administration agenda – and restore faith in the high court
  4. No country for old business owners: Economic shifts create a growing challenge for America’s aging entrepreneurs
  5. After the smoke clears, a wildfire’s legacy can haunt rivers for years, putting drinking water at risk
  6. US bombs Iran’s nuclear sites: What led to Trump pulling the trigger – and what happens next?
  7. Outsourcing cost of ‘impact’ data could mean 13% more bang for every charitable buck
  8. A militarily degraded Iran may turn to asymmetrical warfare – raising risk of proxy and cyber attacks
  9. How artificial intelligence controls your health insurance coverage
  10. What is CREC? The Christian nationalist group has a vision for America − and Defense Secretary Pete Hegseth’s support
  11. At Antarctica’s midwinter, a look back at the frozen continent’s long history of dark behavior
  12. Low-income homeowners hit by disasters may get less help from the government, as Trump administration nixes rules on fairness, community input and resilience
  13. Nuclear scientists  have long been targets in covert ops – Israel has brought that policy out of the shadows
  14. Nuclear scientists have long been targets in covert ops – Israel has brought that policy out of the shadows
  15. How to stay safe during heat waves – and the heat stroke warning signs to watch for
  16. How to stay safe during heat waves – and heat stroke warning signs to watch for
  17. Light-powered reactions could make the chemical manufacturing industry more energy-efficient
  18. Trump administration’s conflicting messages on Chinese student visas reflect complex US-China relations
  19. Metro Detroit is growing – but its suburbs are telling a more complicated story
  20. Family and friends shoulder the real cost of dementia − $224B in unpaid care
  21. The term ‘lone gunman’ ignores the structures that enable violence
  22. 50 years after ‘Jaws,’ researchers have retired the man-eater myth and revealed more about sharks’ amazing biology
  23. Grok’s ‘white genocide’ responses show how generative AI can be weaponized
  24. Smartphones are once again setting the agenda for justice as the Latino community documents ICE actions
  25. Expansion of marriage rights to same-sex couples also expanded access to the psychological benefits that come with tying the knot
  26. Ticks carry decades of history in each troublesome bite
  27. AI helps tell snow leopards apart, improving population counts for these majestic mountain predators
  28. Germany’s young Jewish and Muslim writers are speaking for themselves – exploring immigrant identity beyond stereotypes
  29. ‘Jaws’ and the two musical notes that changed Hollywood forever
  30. Southeast Asian nations look to hedge their way out of troubled waters in the South China Sea
  31. The commitment trap: How Israel, Iran and the US risk becoming prisoners to policies
  32. Gay Men’s Health Crisis showed how everyday people stepped up when institutions failed during the height of the AIDS epidemic – providing a model for today
  33. US and Iran have a long, complicated history, spanning far beyond Israel’s strikes on Tehran
  34. US and Iran have a long, complicated history, spanning decades before US strikes on nuclear sites
  35. Along with the ideals it expresses, the Declaration of Independence mourns for something people lost in 1776 − and now, too
  36. Violent extremists like the Minnesota shooter are not lone wolves
  37. Observers of workplace mistreatment react as strongly as the victims − at times with a surprising amount of victim blaming
  38. Precise measurement standards have revolutionized museum science, helping nail down where artifacts are from
  39. AI ‘reanimations’: Making facsimiles of the dead raises ethical quandaries
  40. When you lose your health insurance, you may also lose your primary doctor – and that hurts your health
  41. German chancellor’s rebuke of Israel marks a shift in state policy that has long put such criticism out of bounds
  42. A radical proposal to abolish state government and strengthen American democracy
  43. The use of federal troops to quell Los Angeles protests recalls militarized law enforcement during the Civil Rights Movement
  44. Companies haven’t stopped hiring, but they’re more cautious, according to the 2025 College Hiring Outlook Report
  45. When developing countries band together, lifesaving drugs become cheaper and easier to buy − with trade-offs
  46. Nostalgic foods and scents like fresh-cut grass and hamburgers grilling bring comfort, connection and well-being
  47. The hidden bias in college admissions tests: How standardized exams can favor privilege over potential
  48. What’s the right way to mark Juneteenth? The newest US holiday is confusing Americans
  49. Iran-Israel ‘threshold war’ has rewritten nuclear escalation rules
  50. Most Americans believe misinformation is a problem — federal research cuts will only make the problem worse