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Crowdfunded companies are ‘ghosting’ their investors – and getting away with it

  • Written by Andrew A. Schwartz, DeMuth Chair of Business Law, University of Colorado Boulder

Imagine you invest US$500 to help a startup get off the ground through investment crowdfunding. The pitch is slick, the platform feels trustworthy and the company quickly raises its target amount from hundreds of people just like you. Then – silence. No updates, no financials, not even a thank-you.

You’ve been ghosted – not by a...

Read more: Crowdfunded companies are ‘ghosting’ their investors – and getting away with it

Glacial lake flood hits Juneau, Alaska, reflecting a growing global risk as mountain glaciers melt

  • Written by Alton C. Byers, Faculty Research Scientist, Institute of Arctic and Alpine Research, University of Colorado Boulder
imageU.S. Geological Survey staff check monitoring equipment in Suicide Basin in June 2025. By August, the basin had filled with meltwater.Jeff Conaway/U.S. Geological Survey

Each summer in the mountains above Juneau, Alaska, meltwater from the massive Mendenhall Glacier flows into mountain lakes and into the Mendenhall River, which runs through town.

Sin...

Read more: Glacial lake flood hits Juneau, Alaska, reflecting a growing global risk as mountain glaciers melt

Climate models reveal how human activity may be locking the Southwest into permanent drought

  • Written by Pedro DiNezio, Associate Professor of Atmospheric and Ocean Sciences, University of Colorado Boulder
imageA worker moves irrigation tubes on a farm in Pinal County, Ariz. A two-decade drought has made water supplies harder to secure. Carolyn Cole/Los Angeles Times via Getty Images

A new wave of climate research is sounding a stark warning: Human activity may be driving drought more intensely – and more directly – than previously understood.

T...

Read more: Climate models reveal how human activity may be locking the Southwest into permanent drought

COVID-19 vaccines for kids are mired in uncertainty amid conflicting federal guidance

  • Written by David Higgins, Assistant Professor of Pediatrics, University of Colorado Anschutz Medical Campus
imageThe coordinated process for recommending and ensuring access to vaccines has been disrupted.Thomas Barwick/DigitalVision via Getty Images

It’s August, and parents and caregivers are frantically preparing their kids for a new school year by buying supplies, filling out forms and meeting teachers. This year, many parents also face a question...

Read more: COVID-19 vaccines for kids are mired in uncertainty amid conflicting federal guidance

Mindfulness is gaining traction in American schools – but it isn’t clear what students are learning

  • Written by Deborah L. Schussler, Professor of Education Policy and Leadership, University at Albany, State University of New York
imageSixth grade students start their science class with five minutes of meditation at George Washington Middle School in Alexandria, Va., in February 2020. Jahi Chikwendiu/The Washington Post via Getty Images

Writing, reading, math and mindfulness? That last subject is increasingly joining the three classic courses, as more young students in the United...

Read more: Mindfulness is gaining traction in American schools – but it isn’t clear what students are learning

Where America’s CO emissions come from – what you need to know, in charts

  • Written by Kenneth J. Davis, Professor of Atmospheric and Climate Science, Penn State
imageVehicles, energy production and industry are the largest emissions sources in the U.S.David McNew/Getty Images

Earth’s atmosphere contains carbon dioxide, which is good for life on Earth – in moderation. Plants use CO2 as the source of the carbon they build into leaves and wood via photosynthesis. In combination with water vapor, CO2 ins...

Read more: Where America’s CO emissions come from – what you need to know, in charts

Don’t write off the Putin-Trump summit just yet – its outcome might confound critics

  • Written by Peter Rutland, Professor of Government, Wesleyan University
imageThe Alaska summit is the first time the two leaders have met face-to-face since 2019.AP Photo/Alexander Zemlianichenko, Pool, Mark Schiefelbein, File

Like many such confabs before it, the Aug. 15, 2025, Alaska red carpet rollout for Russian President Vladimir Putin is classic Donald Trump: A show of diplomacy as pageantry that seemingly came out of...

Read more: Don’t write off the Putin-Trump summit just yet – its outcome might confound critics

4 out of 5 US troops surveyed understand the duty to disobey illegal orders

  • Written by Charli Carpenter, Professor of political science, UMass Amherst
imageNational Guard members arrive at the Guard’s headquarters at D.C. Armory on Aug. 12, 2025 in Washington. Anna Moneymaker/Getty Images

With his Aug. 11, 2025, announcement that he was sending the National Guard – along with federal law enforcement – into Washington, D.C. to fight crime, President Donald Trump edged U.S. troops...

Read more: 4 out of 5 US troops surveyed understand the duty to disobey illegal orders

How poisoned data can trick AI − and how to stop it

  • Written by M. Hadi Amini, Associate Professor of Computing and Information Sciences, Florida International University
imageData poisoning can make an AI system dangerous to use, potentially posing threats such as chemically poisoning a food or water supply. ArtemisDiana/iStock via Getty Images

Imagine a busy train station. Cameras monitor everything, from how clean the platforms are to whether a docking bay is empty or occupied. These cameras feed into an AI system...

Read more: How poisoned data can trick AI − and how to stop it

Spiderweb silks and architectures reveal millions of years of evolutionary ingenuity

  • Written by Ella Kellner, Ph.D. Student in Biological Sciences, University of North Carolina – Charlotte
imageAn orchard orb weaver spider rests in the center of her web.Daniela Duncan/Moment via Getty Images

Have you ever walked face-first into a spiderweb while on a hike? Or swept away cobwebs in your garage?

You may recognize the orb web as the classic Halloween decoration or cobwebs as close neighbors with your dust bunnies. These are just two among the...

Read more: Spiderweb silks and architectures reveal millions of years of evolutionary ingenuity

More Articles ...

  1. Grief feels unbearable, disorienting and chaotic – a grief researcher and widow shares evidence-based ways to face the early days of loss
  2. AI is making reading books feel obsolete – and students have a lot to lose
  3. Labor Day and May Day emerged from the movement for a shorter workday in industrial America
  4. The new NextGen Acela trains promise faster travel and more seats – but arrive as US rail faces an uncertain future
  5. 4 laws that could stymie the Trump EPA’s plan to rescind the endangerment finding that underpins US climate policies
  6. The dark history of forced starvation as a weapon of war against Indigenous peoples
  7. Getting beyond answers like ‘fine’ and ‘nothing’: 5 simple ways to spark real talk with kids
  8. 4 laws that could stymie the Trump EPA’s plan to rescind the endangerment finding, central to US climate policies
  9. San Francisco and other cities, following a Supreme Court ruling, are arresting more homeless people for living on the streets
  10. Women in STEM face challenges and underrepresentation – this course gives them tools to succeed
  11. My research team used 18 years of sea wave records to learn how destructive ‘rogue waves’ form – here’s what we found
  12. US has slashed global vaccine funding – if philanthropy fills the gap, there could be some trade-offs
  13. This isn’t how wars are ended − a veteran diplomat explains how Trump-Putin summit is amateurish and politically driven
  14. Moose have lived in Colorado for centuries – unpacking the evidence from history, archaeology and oral traditions
  15. Inside an urban heat island, one street can be much hotter than its neighbor – new tech makes it easier to target cooling projects
  16. What is rust? A materials scientist explains metal’s crusty enemy
  17. Inside the search for sustainable aviation fuels, which are on the federal chopping block
  18. For Syrian Druze, latest violence is one more chapter in a centuries-long struggle over autonomy
  19. Schools are looking for chaplains, but the understanding of who – and what – chaplains are varies widely
  20. Trump administration cuts to terrorism prevention departments could leave Americans exposed
  21. 3 reasons Republicans’ redistricting power grab might backfire
  22. Bureau of Labor Statistics tells the US what’s up with the economy – Trump firing its top official may undercut trust in its data
  23. Authoritarian rulers aren’t new – here’s what Herodotus, an early Greek historian, wrote about them
  24. Industrial pollution once ravaged the Adirondacks − decades of history captured in lake mud track their slow recovery
  25. AI is taking hold in K-12 schools – here are some ways it can improve teaching
  26. NASA plans to build a nuclear reactor on the Moon – a space lawyer explains why, and what the law has to say
  27. Elon Musk’s plans for a new political party will likely be derailed by a US political system hostile to new voices
  28. Hulk Hogan and the unraveling of worker solidarity
  29. Gaza isn’t the first time US officials have downplayed atrocities by American-backed regimes – genocide scholars found similar strategies used from East Timor to Guatemala to Yemen
  30. Vaccines hold tantalizing promise in the fight against dementia
  31. Teen drivers face unique challenges during ‘100 deadliest days’ of summer, but safety measures can make a difference
  32. As the Colorado River slowly dries up, states angle for influence over future water rights
  33. ‘KPop Demon Hunters’ is attracting huge audiences worldwide – young Philadelphians told us K-pop culture inspires innocence, joy and belonging
  34. Understanding key terms swirling around Alligator Alcatraz and immigration enforcement in the US
  35. Transgender, nonbinary and disabled people more likely to view AI negatively, study shows
  36. A toxicologist’s guide to poison ivy’s itch and bee stings’ burning pain – 2 examples of nature’s chemical warfare
  37. Wildfire season is starting weeks earlier in California – a new study shows how climate change is driving the expansion
  38. Trump has promised to eliminate funding to schools that don’t nix DEI work – but half of the states are not complying
  39. How states are placing guardrails around AI in the absence of strong federal regulation
  40. History shows why FEMA is essential in disasters, and how losing independent agency status hurt its ability to function
  41. Iron nanoparticles can help treat contaminated water – our team of scientists created them out of expired supplements
  42. Youth athletes, not just professionals, may face mental health risks from repeated traumatic brain injuries
  43. Insurance warning signs in doctors’ offices might discourage patients from speaking openly about their health
  44. Where next for Khamenei? After war, Iran’s supreme leader is faced with difficult choices
  45. Philadelphia is using AI-driven cameras to keep bus lanes clear – transparency can help build trust in the system
  46. The Druze are a tightly knit community – and the violence in Syria is triggering fears in Lebanon
  47. EPA removal of vehicle emissions limits won’t stop the shift to electric vehicles, but will make it harder, slower and more expensive
  48. A red meat allergy from tick bites is spreading – and the lone star tick isn’t the only alpha-gal carrier to worry about
  49. Why leisure matters for a good life, according to Aristotle
  50. When it comes to finance, ‘normal’ data is actually pretty weird