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What causes muscle cramps during exercise? Athletes and coaches may want to look at the playing surface

  • Written by Michael Hales, Associate Professor of Health Promotion and Physical Education, Kennesaw State University
imageMuscle cramps have felled many an athlete on game day.Paul Ellis/AFP via Getty Images

For athletes across all sports, few experiences are as agonizing as being forced to leave competition with a sudden muscle cramp. These painful, uncontrolled spasms – formally known as exercise-associated muscle cramps – have frustrated athletes,...

Read more: What causes muscle cramps during exercise? Athletes and coaches may want to look at the playing...

We tracked every overseas trip by world leaders since the end of the Cold War – here’s what we found

  • Written by Kylie McKee, Project Manager & Research Associate, University of Denver
imageA must for jet-setting heads of states.Alex Wong/Getty Images

Donald Trump’s return to the White House has so far seen the U.S. president travel to foreign lands to sign billion-dollar deals, attend lavish royal welcomes and attempt to forge elusive peace agreements amid conflicts and crises. And on Sept. 17, 2025, he is expected to visit the...

Read more: We tracked every overseas trip by world leaders since the end of the Cold War – here’s what we found

The surprising recovery of once-rare birds

  • Written by Tom Langen, Professor of Biology, Clarkson University
imageSandhill cranes can be spotted in many states, but in the 1930s their populations had crashed to a few dozen breeding pairs in the eastern U.S.Rsocol/Wikimedia Commons, CC BY

When I started bird-watching as a teenager, a few years after the first Earth Day in 1970, several species that once thrived in my region were nowhere to be found.

Some, like...

Read more: The surprising recovery of once-rare birds

Techno-utopians like Musk are treading old ground: The futurism of early 20th-century Europe

  • Written by Sonja Fritzsche, Senior Associate Dean and Professor of German Studies, Michigan State University
imageTwentieth-century futurists celebrated flight, communications and manufacturing. Today, they're inspired by space, AI and biotechnology.Davide Mauro/Wikimedia, CC BY-SA

In “The Singularity is Nearer: When We Merge with AI,” the futurist Ray Kurzweil imagines the point in 2045 when rapid technological progress crosses a threshold as...

Read more: Techno-utopians like Musk are treading old ground: The futurism of early 20th-century Europe

Trump reversed policies supporting electric vehicles − it will affect the road to clean electricity, too

  • Written by Jeremy J. Michalek, Professor of Engineering & Public Policy, Professor of Mechanical Engineering, Carnegie Mellon University

When Congress passed the Inflation Reduction Act in 2022, it was the largest climate bill in U.S. history, with major incentives for electric vehicle production and adoption. In its wake, investment in the U.S. electric vehicle industry accelerated. But in 2025, President Donald Trump’s so-called One Big Beautiful Bill Act eliminated most of...

Read more: Trump reversed policies supporting electric vehicles − it will affect the road to clean...

Brazil’s Bolsonaro may soon join ranks of failed coup plotters held to account − hampering the chance of any political comeback

  • Written by John Joseph Chin, Assistant Teaching Professor of Strategy and Technology, Carnegie Mellon University
imageFormer Brazilian President Jair Bolsonaro is seen at his residence in Brasilia on Sept. 3, 2025.Sergio Lima/AFP via Getty Images

Former Brazilian President Jair Bolsonaro could soon be convicted as a failed coup plotter.

Brazil’s Supreme Court is expected to deliver a verdict by Sept. 12 over charges that the former president and key aides plo...

Read more: Brazil’s Bolsonaro may soon join ranks of failed coup plotters held to account − hampering the...

How Trump’s dismissal of a Fed governor could redefine presidential power – if courts agree that he alone can interpret vague laws

  • Written by Claire B. Wofford, Associate Professor of Political Science, College of Charleston
imageThe firing of Federal Reserve board member Lisa Cook isn't just about Lisa Cook − it's about presidential power. DNY59/Getty Images

President Donald Trump’s penchant to act first, ask later was on full display recently when he became the first president in American history to fire a member of the Federal Reserve Board.

Trump’s...

Read more: How Trump’s dismissal of a Fed governor could redefine presidential power – if courts agree that...

Trump’s radical argument that he alone can interpret vague laws fails its first court test in dismissal of Fed governor

  • Written by Claire B. Wofford, Associate Professor of Political Science, College of Charleston
imageThe firing of Federal Reserve board member Lisa Cook isn't just about Lisa Cook − it's about presidential power. DNY59/Getty Images

President Donald Trump’s penchant to act first, ask later was on full display recently when he became the first president in American history to fire a member of the Federal Reserve Board.

Trump’s...

Read more: Trump’s radical argument that he alone can interpret vague laws fails its first court test in...

Philly’s Puerto Rican Day Parade embodies strength of the mainland’s second-largest Boricua community

  • Written by Héctor M. Varela Rios, Assistant Professor of Theology, Villanova University
imageThe annual parade is an expression of love for both Puerto Rico and Philadelphia.Photo courtesy of VISIT PHILADELPHIA®

Picture this: Puerto Rican flags, referred to as “la monoestrellada” – the “one-starred” – everywhere you look. The smell of alcapurrias – if you can find them! – and other savory...

Read more: Philly’s Puerto Rican Day Parade embodies strength of the mainland’s second-largest Boricua...

When you’re caught between ‘yes’ and ‘no,’ here’s why ‘maybe’ isn’t the way to go

  • Written by Julian Givi, Assistant Professor of Marketing, West Virginia University
imageYes, no, maybe so?cundra/iStock via Getty Images

Say you win a radio sweepstakes giving you two tickets to a sold-out concert the upcoming weekend. You eagerly text your friend and ask if they’d like to join.

Their response? “Maybe.”

Your mood immediately turns. You feel slighted rather than joyous as you’re left in limbo:...

Read more: When you’re caught between ‘yes’ and ‘no,’ here’s why ‘maybe’ isn’t the way to go

More Articles ...

  1. 50 years ago, NASA sent 2 spacecraft to search for life on Mars – the Viking missions’ findings are still discussed today
  2. How is paint made?
  3. Boosting timber harvesting in national forests while cutting public oversight won’t solve America’s wildfire problem
  4. Complying with Trump administration’s attack on DEI could get employers into legal trouble
  5. George Washington’s worries are coming true
  6. Trump’s deployment of the National Guard to fight crime blurs the legal distinction between the police and the military
  7. Infant mortality rises in states with restrictive abortion laws – new research
  8. An Arkansas group’s effort to build a white ethnostate forms part of a wider US movement inspired by white supremacy
  9. Federal judges are frustrated by defiance from the Trump administration and fuzziness from the Supreme Court
  10. Helping teens navigate online racism − study shows which parenting strategy works best
  11. 3 states push to put the Ten Commandments back in school – banking on new guidance at the Supreme Court
  12. Colorado has one of the nation’s highest suicide rates − an ER doctor explains how to bring it down
  13. When it comes to wars − from the Middle East to Ukraine − what we call them matters
  14. Jury trials, a critical part of democracy, are disappearing
  15. Astrology’s appeal in uncertain times
  16. Kennedy hearing deepens crisis over dismantling of CDC leadership - health scholar explains why the agency’s ability to protect public health is compromised
  17. US obliteration of Caribbean boat was a clear violation of international ‘right to life’ laws – no matter who was on board
  18. Civil servant exodus: How employees wrestle with whether to stay, speak up or go
  19. A first connection can make a big difference when it comes to sticking with a career
  20. Scientific objectivity is a myth – cultural values and beliefs always influence science and the people who do it
  21. How Frank Rizzo, a high school dropout, became Philadelphia’s toughest cop and a harbinger of MAGA politics
  22. You can be exposed to PFAS through food, water, even swimming in lakes – new maps show how risk from ‘forever chemicals’ varies
  23. Hidden treasures of America’s national parks are closer than you might think
  24. How RFK Jr.’s misguided science on mRNA vaccines is shaping policy − a vaccine expert examines the false claims
  25. China’s electric vehicle influence expands nearly everywhere – except the US and Canada
  26. AI is transforming weather forecasting − and that could be a game changer for farmers around the world
  27. 5 forecasts early climate models got right – the evidence is all around you
  28. Green gruel? Pea soup? What Westerners thought of matcha when they tried it for the first time
  29. AI’s ballooning energy consumption puts spotlight on data center efficiency
  30. No credit history? No problem − new research suggests shopping data works as a proxy for creditworthiness
  31. From intention to impact: 3 ways men in leadership can build equitable workplaces that work for everyone
  32. 65,000 Pennsylvania kids have a parent in prison or jail − here’s what research says about the value of in-person visits
  33. China’s WWII anniversary parade rekindles cross-strait battle over war narrative − and fears in Taiwan of future conflict
  34. ‘What you feel is valid’: Social media is a lifeline for many abused and neglected young people
  35. What is AI slop? A technologist explains this new and largely unwelcome form of online content
  36. How Europe’s deforestation law could change the global coffee trade
  37. Personal power v. socialized power: What Machiavelli and St. Francis can tell us about modern CEOs
  38. Adding more green space to a campus is a simple, cheap and healthy way to help millions of stressed and depressed college students
  39. Turkey and the PKK have made historic moves toward peace – now begins the hard diplomatic work
  40. AI has a hidden water cost − here’s how to calculate yours
  41. How to poop outdoors in a way that won’t harm the environment and other hikers
  42. Balancing kratom’s potential benefits and risks − new legislation in Colorado seeks to minimize harm
  43. Are high school sports living up to their ideals?
  44. How does your body make poop?
  45. Pregnant women face tough choices about medication use due to lack of safety data − here’s why medical research cuts will make it worse
  46. We’ve been tracking the number of Americans who identify as transgender – soon, there will be no reliable way to measure them
  47. How the conservative Federalist Society will affect the Supreme Court for decades to come
  48. Earth-size stars and alien oceans – an astronomer explains the case for life around white dwarfs
  49. As National Park System visitor numbers hit record highs, here’s how visitors can adapt for a better experience
  50. American capitalism is being remade by state power