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Jews were barred from Spain’s New World colonies − but that didn’t stop Jewish and converso writers from describing the Americas

  • Written by Flora Cassen, Senior Faculty, Hartman Institute and Associate Professor of History and Jewish Studies, Washington University in St. Louis
imageAn auto-da-fé − a public punishment for heretics − in San Bartolome Otzolotepec, in present-day Mexico.Museo Nacional de Arte via Wikimedia Commons

Every few years, a story about Columbus resurfaces: Was the Genoese navigator who claimed the Americas for Spain secretly Jewish, from a Spanish family fleeing the Inquisition?

This...

Read more: Jews were barred from Spain’s New World colonies − but that didn’t stop Jewish and converso...

Supreme Court rules that states may deny people covered by Medicaid the freedom to choose Planned Parenthood as their health care provider

  • Written by Naomi Cahn, Professor of Law, University of Virginia
imageAbortion-rights demonstrators holds a sign in front of the Supreme Court building in Washington as the Medina v. Planned Parenthood South Atlantic case is heard on April 2, 2025.Tom Williams/CQ-Roll Call via Getty Images

Having the freedom to choose your own health care provider is something many Americans take for granted. But the U.S. Supreme...

Read more: Supreme Court rules that states may deny people covered by Medicaid the freedom to choose Planned...

Toxic algae blooms are lasting longer than before in Lake Erie − why that’s a worry for people and pets

  • Written by Gregory J. Dick, Professor of Biology, University of Michigan
imageA satellite image from Aug. 13, 2024, shows an algal bloom covering approximately 320 square miles (830 square km) of Lake Erie. By Aug. 22, it had nearly doubled in size.NASA Earth Observatory

Federal scientists released their annual forecast for Lake Erie’s harmful algal blooms on June 26, 2025, and they expect a mild to moderate season....

Read more: Toxic algae blooms are lasting longer than before in Lake Erie − why that’s a worry for people and...

Toxic algae blooms are lasting longer in Lake Erie − why that’s a worry for people and pets

  • Written by Gregory J. Dick, Professor of Biology, University of Michigan
imageA satellite image from Aug. 13, 2024, shows an algal bloom covering approximately 320 square miles (830 square km) of Lake Erie. By Aug. 22, it had nearly doubled in size.NASA Earth Observatory

Federal scientists released their annual forecast for Lake Erie’s harmful algal blooms on June 26, 2025, and they expect a mild to moderate season....

Read more: Toxic algae blooms are lasting longer in Lake Erie − why that’s a worry for people and pets

Natural hazards don’t disappear when the storm ends or the earthquake stops – they evolve

  • Written by Brian J. Yanites, Associate Professor of Earth and Atmospheric Science. Professor of Surficial and Sedimentary Geology, Indiana University
imageThe Carter Lodge hangs precariously over the flood-scoured bank of the Broad River in Chimney Rock Village, N.C., on May 13, 2025, eight months after Hurricane Helene.AP Photo/Allen G. Breed

Hurricane Helene lasted only a few days in September 2024, but it altered the landscape of the Southeastern U.S. in profound ways that will affect the hazards...

Read more: Natural hazards don’t disappear when the storm ends or the earthquake stops – they evolve

Hurricane Helene set up future disasters, from landslides to flooding – cascading hazards like these are now upending risk models

  • Written by Brian J. Yanites, Associate Professor of Earth and Atmospheric Science. Professor of Surficial and Sedimentary Geology, Indiana University
imageThe Carter Lodge hangs precariously over the flood-scoured bank of the Broad River in Chimney Rock Village, N.C., on May 13, 2025, eight months after Hurricane Helene.AP Photo/Allen G. Breed

Hurricane Helene lasted only a few days in September 2024, but it altered the landscape of the Southeastern U.S. in profound ways that will affect the hazards...

Read more: Hurricane Helene set up future disasters, from landslides to flooding – cascading hazards like...

Grilling with lump charcoal: Is US-grown hardwood really in that bag?

  • Written by Adriana Costa, Assistant Professor of Sustainable Bioproducts, Mississippi State University
imageWhen you're getting ready to cook, do you know what's burning underneath?Alexandr Baranov/iStock/Getty Images Plus

People dedicated to the art of grilling often choose lump charcoal – actual pieces of wood that have been turned into charcoal – over briquettes, which are compressed charcoal dust with other ingredients to keep the dust...

Read more: Grilling with lump charcoal: Is US-grown hardwood really in that bag?

Uranium enrichment: A chemist explains how the surprisingly common element is processed to power reactors and weapons

  • Written by André O. Hudson, Dean of the College of Science, Professor of Biochemistry, Rochester Institute of Technology
imageYellowcake is a concentrated form of mined and processed uranium. Nuclear Regulatory Commission, CC BY

When most people hear the word uranium, they think of mushroom clouds, Cold War standoffs or the glowing green rods from science fiction. But uranium isn’t just fuel for apocalyptic fears. It’s also a surprisingly common element that...

Read more: Uranium enrichment: A chemist explains how the surprisingly common element is processed to power...

Yelp’s addition of a ‘Black-owned’ tag led to a slight drop in business ratings in Detroit

  • Written by Matthew Bui, Assistant Professor of Information and Digital Studies, University of Michigan
imageYelp's Black-owned tag was designed to help business owners like Don Studvent attract more customers. His restaurant closed in 2018 after nine years in business.AP Photo/Carlos Osorio

When the online review platform Yelp added a “Black-owned” tag in 2020, it boosted the visibility of Black-owned restaurants in Detroit. It also caused...

Read more: Yelp’s addition of a ‘Black-owned’ tag led to a slight drop in business ratings in Detroit

Self-censorship and the ‘spiral of silence’: Why Americans are less likely to publicly voice their opinions on political issues

  • Written by James L. Gibson, Sidney W. Souers Professor of Government, Washington University in St. Louis
imagePolarization has led many people to feel they're being silenced.AP Photo/Andrew Harnik

For decades, Americans’ trust in one another has been on the decline, according to the most recent General Social Survey.

A major factor in that downshift has been the concurrent rise in the polarization between the two major political parties. Supporters...

Read more: Self-censorship and the ‘spiral of silence’: Why Americans are less likely to publicly voice their...

More Articles ...

  1. Detroit restaurants identified as ‘Black-owned’ on Yelp saw a slight drop in business ratings
  2. Using TikTok could be making you more politically polarized, new study finds
  3. What if universal rental assistance were implemented to deal with the housing crisis?
  4. I’m a physician who has looked at hundreds of studies of vaccine safety, and here’s some of what RFK Jr. gets wrong
  5. Israel-Iran war recalls the 2003 US invasion of Iraq – a war my undergraduate students see as a relic of the past
  6. A preservative removed from childhood vaccines 20 years ago is still causing controversy today − a drug safety expert explains
  7. What is reconciliation − the legislative shortcut Republicans are using to push through their ‘Big Beautiful Bill’?
  8. What happens next in US-Iran relations will be informed by the two countries’ shared history
  9. How do scientists calculate the probability that an asteroid could hit Earth?
  10. Trump administration aims to slash funds that preserve the nation’s rich architectural and cultural history
  11. Grover Norquist’s lasting influence on the GOP and US economic policy
  12. Checking in on New England’s fishing industry 25 Years after ‘The Perfect Storm’ hit movie theaters
  13. Why power skills – formerly known as ‘soft skills’ – are the key to business success
  14. Checking in on New England fisheries 25 years after ‘The Perfect Storm’ movie
  15. Blocking exports and raising tariffs is a bad defense against industrial cyber espionage, study shows
  16. Mitochondria can sense bacteria and trigger your immune system to trap them – revealing new ways to treat infections and autoimmunity 
  17. More than half of US teens have had at least one cavity, but fluoride programs in schools help prevent them – new research
  18. Philly psychology students map out local landmarks and hidden destinations where they feel happiest
  19. Ceasefires like the one between Iran and Israel often fail – but an agreement with specific conditions is more likely to hold
  20. Israel bombed an Iraqi nuclear reactor in 1981 − it pushed program underground and spurred Saddam Hussein’s desire for nukes
  21. Supreme Court rules Trump can rapidly deport immigrants to Libya, South Sudan and other countries they aren’t from
  22. How Internet of Things devices affect your privacy – even when they’re not yours
  23. Federal energy office illustrates the perils of fluctuating budgets and priorities
  24. ‘Monkey Biz-ness’: Pop culture helped fan the flames of the Scopes ‘monkey trial’ 100 years ago − and ever since
  25. 3D-printed model of a 500-year-old prosthetic hand hints at life of a Renaissance amputee
  26. The Vera C. Rubin Observatory will help astronomers investigate dark matter, continuing the legacy of its pioneering namesake
  27. Diversifying the special education teacher workforce could benefit US schools
  28. Charitable giving grew to $593B in 2024, propelled by a strengthening US economy and a booming stock market
  29. Presidents of both parties have launched military action without Congress declaring war − Trump’s bombing of Iran is just the latest
  30. How the end of carbon capture could spark a new industrial revolution
  31. 3 years after abortion rights were overturned, contraception access is at risk
  32. To spur the construction of affordable, resilient homes, the future is concrete
  33. Astronomy has a major data problem – simulating realistic images of the sky can help train algorithms
  34. Neuropathic pain has no immediate cause – research on a brain receptor may help stop this hard-to-treat condition
  35. I’m an expert in crafting public health messages: Here are 3 marketing strategies I use to make Philadelphia healthier
  36. How do atoms form? A physicist explains where the atoms that make up everything around come from
  37. The sleeper Supreme Court decision that could have profound impacts on the Trump administration agenda – and restore faith in the high court
  38. No country for old business owners: Economic shifts create a growing challenge for America’s aging entrepreneurs
  39. After the smoke clears, a wildfire’s legacy can haunt rivers for years, putting drinking water at risk
  40. US bombs Iran’s nuclear sites: What led to Trump pulling the trigger – and what happens next?
  41. Outsourcing cost of ‘impact’ data could mean 13% more bang for every charitable buck
  42. A militarily degraded Iran may turn to asymmetrical warfare – raising risk of proxy and cyber attacks
  43. How artificial intelligence controls your health insurance coverage
  44. What is CREC? The Christian nationalist group has a vision for America − and Defense Secretary Pete Hegseth’s support
  45. At Antarctica’s midwinter, a look back at the frozen continent’s long history of dark behavior
  46. Low-income homeowners hit by disasters may get less help from the government, as Trump administration nixes rules on fairness, community input and resilience
  47. Nuclear scientists  have long been targets in covert ops – Israel has brought that policy out of the shadows
  48. Nuclear scientists have long been targets in covert ops – Israel has brought that policy out of the shadows
  49. How to stay safe during heat waves – and the heat stroke warning signs to watch for
  50. How to stay safe during heat waves – and heat stroke warning signs to watch for