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Mountain chickadee chatter: Scientists are decoding the songbird’s complex calls

  • Written by Sofia Marie Haley, Ph.D. Student in Cognitive Ecology, University of Nevada, Reno
imageMountain chickadees are unusual in having more complex calls than songs.Vladimir Pravosudov

I approach a flock of mountain chickadees feasting on pine nuts. A cacophony of sounds, coming from the many different bird species that rely on the Sierra Nevada’s diverse pine cone crop, fill the crisp mountain air.

The strong...

Read more: Mountain chickadee chatter: Scientists are decoding the songbird’s complex calls

For opioid addiction, treatment underdosing can lead to fentanyl overdosing – a physician explains

  • Written by Lucinda Grande, Clinical Associate Professor of Family Medicine, University of Washington
imageBuprenorphine is most effective when doctors and patients find the right dose together.AP Photo/Ted S. Warren

Imagine a patient named Rosa tells you she wakes up night after night in a drenching sweat after having very realistic dreams of smoking fentanyl.

The dreams seem crazy to her. Three months ago, newly pregnant, Rosa began visualizing being...

Read more: For opioid addiction, treatment underdosing can lead to fentanyl overdosing – a physician explains

Managing forests and other ecosystems under rising threats requires thinking across wide-ranging scenarios

  • Written by Kyra Clark-Wolf, Research Scientist in Ecological Transformation, University of Colorado Boulder
imageThinking through scenarios allows land managers to prepare for many potential outcomes.Benjamin Slyngstad via USGS

In Sequoia and Kings Canyon National Parks in California, trees that have persisted through rain and shine for thousands of years are now facing multiple threats triggered by a changing climate.

Scientists and park managers once thought...

Read more: Managing forests and other ecosystems under rising threats requires thinking across wide-ranging...

Europeans are concerned that the US will withdraw support from NATO. They are right to worry − Americans should, too

  • Written by John Deni, Research Professor of Joint, Interagency, Intergovernmental, and Multinational Security Studies, US Army War College
imageAmerican soldiers join 3,000 troops from other NATO member countries in a four-week exercise in Hohenfels, Germany, in March 2025. Sean Gallup/Getty Images

The United States has long played a leadership role in NATO, the most successful military alliance in history.

The U.S. and 11 other countries in North America and Europe founded NATO in 1949,...

Read more: Europeans are concerned that the US will withdraw support from NATO. They are right to worry −...

Why some towns lose local news − and others don’t

  • Written by Abby Youran Qin, Ph.D. candidate at School of Journalism & Mass Communication, University of Wisconsin-Madison
imageFive elements determine which towns lose their papers and which ones beat the odds.Hans Henning Wenk/Getty Images

Why did your hometown newspaper vanish while the next town over kept theirs?

This isn’t bad luck − it’s a systemic pattern. Since 2005, the United States has lost over one-third of its local newspapers, creating...

Read more: Why some towns lose local news − and others don’t

MAHA report on children’s health highlights harms of ultraprocessed foods – a food scientist explains the research

  • Written by Paul Dawson, Professor of Food Science, Clemson University
imageUltraprocessed foods contain ingredients not found in a typical kitchen and are often designed to be extremely palatable.beats3/iStock viaGetty Images Plus

On May 22, 2025, the White House released a new report highlighting what it claims are the causes of chronic disease in children.

The report fleshes out many of the themes that have emerged as pri...

Read more: MAHA report on children’s health highlights harms of ultraprocessed foods – a food scientist...

Harvard fights to keep enrolling international students – 4 essential reads about their broader impact

  • Written by Corey Mitchell, Education Editor
imageGraduates of Harvard's John F. Kennedy School of Government celebrate during commencement exercises in Cambridge, Mass.AP Photo/Steven Senne, File

A federal judge in Boston on May 23, 2025, temporarily blocked a Trump administration order that would have revoked Harvard University’s authorization to enroll international students.

The directive...

Read more: Harvard fights to keep enrolling international students – 4 essential reads about their broader...

How does a person become famous when they’re just a kid?

  • Written by Matthew Pittman, Associate Professor of Advertising and Public Relations, University of Tennessee
imageSome 'kidfluencers' have huge followings on social media, but the spotlight isn't always a friendly place.ilkercelik/E+ via Getty images

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.

How does a person become famous when they’re just...

Read more: How does a person become famous when they’re just a kid?

5 years after George Floyd’s murder: How the media narrative has changed around the killing and the protests that followed

  • Written by Danielle K. Brown, Professor of Journalism, Michigan State University
imageFlowers, painted benches and handmade memorials surround a mural of George Floyd at George Floyd Square on May 18, 2025.Kerem Yucel/AFP via Getty Images

On the evening of May 25, 2020, George Floyd was murdered by police outside a grocery store in Minneapolis.

From the outset, the incident became a battle of narratives. The local police initially...

Read more: 5 years after George Floyd’s murder: How the media narrative has changed around the killing and...

Supreme Court’s one-sentence order closes the door to Catholic charter school – but leaves it open for future challenges

  • Written by Charles J. Russo, Joseph Panzer Chair in Education and Research Professor of Law, University of Dayton
imageSupreme Court justices heard arguments April 30, 2025, and issued a 4-4 order just a few weeks later.AP Photo/J. Scott Applewhite

The saga over St. Isidore of Seville, which hoped to become the nation’s first religious charter school, has come to a surprising end – for now.

In April 2025, Supreme Court justices heard arguments in the...

Read more: Supreme Court’s one-sentence order closes the door to Catholic charter school – but leaves it open...

More Articles ...

  1. Can you upload a human mind into a computer? A neuroscientist ponders what’s possible
  2. Here’s how we figured the number of guns illegally trafficked from the US across the border to Mexico
  3. Gun trafficking from the US to Mexico: The drug connection
  4. US gun trafficking to Mexico: Independent gun shops supply the most dangerous weapons
  5. Split Supreme Court blocks Oklahoma’s Catholic charter school − but future cases could hinge on whether charters are, at their core, public or private
  6. US solar manufacturers lag skyrocketing market demand
  7. In 2025, Tornado Alley has become almost everything east of the Rockies − and it’s been a violent year
  8. How abortion laws focusing on fetal viability miss the mark on women’s experiences
  9. From furry friends to fish, turning up the heat helps animals fight germs − how Mother Nature’s cure offers humans a lesson on fever
  10. Like many populist leaders, Trump accuses judges of being illegitimate obstacles to safety and democracy
  11. Golden Dome: An aerospace engineer explains the proposed nationwide missile defense system
  12. Golden Dome: An aerospace engineer explains the proposed US-wide missile defense system
  13. Israelis have a skewed view on extent of Gaza’s hunger plight − driven by censorship and media that downplay humanitarian crisis
  14. NOAA’s 2025 hurricane forecast warns of a busy season – a storm scientist explains why and what meteorologists are watching
  15. WHO is finalizing a new treaty that prepares for the next pandemic − but the US isn’t signing
  16. Young food entrepreneurs are changing the face of rural America
  17. At Cannes, decency and dress codes clash with fashion’s red carpet revolution
  18. Empathy can take a toll – but 2 philosophers explain why we should see it as a strength
  19. Work requirements are better at blocking benefits for low-income people than they are at helping those folks find jobs
  20. Billions of cicadas are emerging, from Cape Cod to north Georgia – here’s how and why we map them
  21. A decade after the release of ‘The Martian’ and a decade out from the world it envisions, a planetary scientist checks in on real-life Mars exploration
  22. Lifecycle of a research grant – behind the scenes of the system that funds science
  23. FDA will approve COVID-19 vaccine only for older adults and high-risk groups – a public health expert explains the new rules
  24. What does it mean for Biden’s prostate cancer to be ‘aggressive’? A urologic surgeon explains
  25. Windows are the No. 1 human threat to birds – an ecologist shares some simple steps to reduce collisions
  26. Russia’s invasion united different parts of Ukraine against a common enemy – 3 years on, that unanimity still holds
  27. Trump treats laws as obstacles, not limits − and the only real check on his rule-breaking can come from political pressure
  28. Too much sitting increases risk of future health problems in chest pain patients – new research
  29. Why your electricity bill is so high and what Pennsylvania is doing about it
  30. Rethinking engineering education: Why focusing on learning preferences matters for diversity
  31. Israel has promised ‘basic amount’ of food into Gaza − but its policies have already created catastrophic starvation risk for millions
  32. 19th-century Catholic teachings, 21st-century tech: How concerns about AI guided Pope Leo’s choice of name
  33. Making eye contact and small talk with strangers is more than just being polite − the social benefits of psychological generosity
  34. Aristotle would scoff at Mark Zuckerberg’s suggestion that AI can solve the loneliness epidemic
  35. Biden is getting prostate cancer treatment, but that’s not the best choice for all men − a cancer researcher describes how she helped her father decide
  36. Independence Hall, Gettysburg and – Epcot? How Reagan helped elevate Disney to America’s roster of honored patriotic sites
  37. Nonprofit news media leaders are struggling to stop leaning on the foundations that say they should branch out more
  38. The one-size-fits-all diversity training model is broken – here’s a better alternative
  39. Do photons wear out? An astrophysicist explains light’s ability to travel vast cosmic distances without losing energy
  40. An 18th-century rebellion for liberty, equality and freedom − not in France or the United States, but Ireland
  41. Teens of any age who drink alcohol with their parents’ permission drink more as young adults, new research shows
  42. How 3D printing is personalizing health care
  43. Ancient pollen reveals stories about Earth’s history, from the asteroid strike that killed the dinosaurs to the Mayan collapse
  44. Governors are leading the fight against climate change and deforestation around the world, filling a void left by presidents
  45. Cutting HIV aid means undercutting US foreign and economic interests − Nigeria shows the human costs
  46. Tomato trade dispute between the US and Mexico is boiling over again – with 21% tariffs due in July
  47. Leaders can promote gender equity without deepening polarization − here’s how
  48. Trump’s lifting of Syria sanctions is a win for Turkey, too – pointing to outsized role middle powers can play in regional affairs
  49. Space tourism’s growth blurs the line between scientific and symbolic achievement – a tourism scholar explains how
  50. Believe it or not, there was a time when the US government built beautiful homes for working-class Americans to deal with a housing crisis