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Dolphins use signature whistles to represent other dolphins – similarly to how humans use names

  • Written by Jason Bruck, Assistant Professor of Biology, Stephen F. Austin State University
imageBottlenose dolphins are extremely social animals that communicate constantly.Micha Pawlitzki/Corbis Documentary via Getty Images

Bottlenose dolphins’ signature whistles just passed an important test in animal psychology. A new study by my colleagues and me has shown that these animals may use their whistles as namelike concepts.

By presenting...

Read more: Dolphins use signature whistles to represent other dolphins – similarly to how humans use names

Over-the-counter hearing aids have been greenlighted by the FDA – your local pharmacist will soon be able to sell you the device you need

  • Written by Elaine Mormer, Professor of Audiology, University of Pittsburgh Health Sciences
imageThe FDA Reauthorization Act of 2017 designated a new class of OTC hearing aids.Heizeng Hu/Moment via Getty Images

After a long delay, the Food and Drug Administration issued final regulations Aug. 16, 2022, for over-the-counter hearing aids. The final rule is effective 60 days from its publication, meaning that consumers could see OTC hearing aids...

Read more: Over-the-counter hearing aids have been greenlighted by the FDA – your local pharmacist will soon...

A tale of two climate policies: India's UN commitments aim low, but its national policies are ambitious – here's why that matters

  • Written by Tarun Gopalakrishnan, Junior Fellow, Climate Lab, Tufts University
imageThe Indian government is encouraging the use of electric vehicles, particularly scooters.Arvind Yadav/Hindustan Times via Getty Images

At the United Nations climate talks in Glasgow in 2021, Indian Prime Minister Narendra Modi surprised the world when he announced that his country would zero out its greenhouse gas emissions by the year 2070. It was...

Read more: A tale of two climate policies: India's UN commitments aim low, but its national policies are...

Yoga versus democracy? What survey data says about spiritual Americans' political behavior

  • Written by Evan Stewart, Assistant Professor of Sociology, UMass Boston
imageFor some, yoga is a spiritual practice that may substitute for religion.CHANDAN KHANNA/AFP via Getty Images

As the United States gets less religious, is it also getting more selfish?

Historically, religious Americans have been civically engaged. Through churches and other faith-based organizations, congregants volunteer, engage in local and...

Read more: Yoga versus democracy? What survey data says about spiritual Americans' political behavior

Six benefits that the metaverse offers to colleges and universities

  • Written by Nir Kshetri, Professor of Management, University of North Carolina – Greensboro
imageColleges are offering more virtual reality experiences as they become 'metaversities.'vadimguzhva via Getty Images

Even though it’s unclear what exactly the metaverse is and whether it even exists, colleges and universities have jumped onto the metaverse bandwagon. They have augmented in-person and remote video learning with features such as g...

Read more: Six benefits that the metaverse offers to colleges and universities

Lunar mining and Moon land claims fall into a gray area of international law, but negotiations are underway to avoid conflict and damage to spacecraft

  • Written by Michelle L.D. Hanlon, Professor of Air and Space Law, University of Mississippi
imageMaking territorial claims in space is illegal under international law.NASA/Neil Armstrong

It’s been 50 years since humans last visited the Moon, and even robotic missions have been few and far between. But the Earth’s only natural satellite is about to get crowded.

At least six countries and a flurry of private companies have publicly...

Read more: Lunar mining and Moon land claims fall into a gray area of international law, but negotiations are...

Ukraine's war has shattered some friendships and family ties – but 'care ethics' have strengthened other relationships

  • Written by Greta Uehling, Lecturer, Program in International and Comparative Studies, University of Michigan
imageZhanna Dynaeva and Serhiy Dynaev stand with a cat inside their house, which was destroyed by Russian bombardment, in the village of Novoselivka, Ukraine, Aug. 13, 2022. AP Photo/Evgeniy Maloletka

War does more than displace civilians, or kill them. When wars are waged in residential areas, they become part of the calculus of simply getting through...

Read more: Ukraine's war has shattered some friendships and family ties – but 'care ethics' have strengthened...

5 unsung films that dramatize America's rich labor history

  • Written by Peter Dreier, E.P. Clapp Distinguished Professor of Politics, Occidental College
image'The Salt of the Earth,' made during the height of the post-World War II Red Scare, was blacklisted.IMDB

Unions are more popular now than at any time since 1965, and the U.S. is in the midst of a new upsurge of union organizing. Is a Hollywood drama about angry Starbucks baristas or frustrated Amazon warehouse workers far behind?

Hollywood studios...

Read more: 5 unsung films that dramatize America's rich labor history

Slavery and war are tightly connected – but we had no idea just how much until we crunched the data

  • Written by Monti Datta, Associate Professor of Political Science, University of Richmond
imageUgandans watch the start of the International Criminal Court trial of former child soldier-turned-warlord Dominic Ongwen.Isaac Kasamani/AFP via Getty Images

Some 40 million people are enslaved around the world today, though estimates vary. Modern slavery takes many different forms, including child soldiers, sex trafficking and forced labor, and no...

Read more: Slavery and war are tightly connected – but we had no idea just how much until we crunched the data

More Articles ...

  1. Cell towers have come to symbolize our deep collective anxieties
  2. Two surprising reasons behind the obesity epidemic: Too much salt, not enough water
  3. What are wormholes? An astrophysicist explains these shortcuts through space-time
  4. Does turning the air conditioning off when you're not home actually save energy? Three engineers run the numbers
  5. Advanced Placement courses could clash with laws that target critical race theory
  6. Dog owners take more risks, cat owners are more cautious – new research examines how people conform to their pets' stereotypical traits
  7. Dr. Oz should be worried – voters punish 'carpetbaggers,' and new research shows why
  8. College students are increasingly identifying beyond 'she' and 'he'
  9. We praise people as ‘Good Samaritans,’ but there’s a complex history behind the phrase
  10. What is listeria? A microbiologist explains the bacterium behind recent deadly food poisoning outbreaks
  11. Sandcastle engineering – a geotechnical engineer explains how water, air and sand create solid structures
  12. With 'bravery' as its new brand, Ukraine is turning advertising into a weapon of war
  13. Big new incentives for clean energy aren't enough – the Inflation Reduction Act was just the first step, now the hard work begins
  14. How to destroy a 'forever chemical' – scientists are discovering ways to eliminate PFAS, but this growing global health problem isn't going away soon
  15. Will the Inflation Reduction Act actually reduce inflation? How will the corporate minimum tax work? An economist has answers
  16. Poland's warm welcome to about 2 million Ukrainian refugees draws global praise, but it might not be sustainable
  17. Conditions in prisons during heat waves pose deadly threats to incarcerated people and prison staff
  18. How gay rodeos upend assumptions about life in rural America
  19. Fake research can be harmful to your health – a new study offers a tool for rooting it out
  20. A dog has caught monkeypox from one of its owners, highlighting risk of the virus infecting pets and wild animals
  21. Ukrainian people are resisting the centuries-old force of Russian imperialism – Ukraine war at 6 months
  22. PACT Act providing health care to burn pit victims caps decades of denied benefits for veterans
  23. What is a fatwa? A religious studies professor explains
  24. Prosecuting a president is divisive and sometimes destabilizing – here's why many countries do it anyway
  25. How Stoicism influenced music from the French Renaissance to Pink Floyd
  26. 1 in 10 teachers say they've been attacked by students
  27. GOP 'message laundering' turns violent, extremist reactions to search of Trump's Mar-a-Lago into acceptable political talking points
  28. You don't have to be a spy to violate the Espionage Act – and other crucial facts about the law Trump may have broken
  29. Liz Cheney trounced: 'Black sheep effect' and GOP partisan identity explain her decisive defeat after criticizing Trump
  30. A year after the fall of Kabul, Taliban's false commitments on terrorism have been fully exposed
  31. Computer science benefits students with learning disabilities – but not always for the long term
  32. Religions have long known that getting away from it all is good for the mind, body and spirit
  33. Which microbes live in your gut? A microbiologist tries at-home test kits to see what they reveal about the microbiome
  34. Unsealed court documents show the FBI was looking for evidence Trump violated the Espionage Act and other laws – here’s how the documents seized show possible wrongdoing
  35. Here's how government documents are classified to keep sensitive information safe
  36. Worried about back-to-school inflation? Latest price data on backpacks, laptops and kids' clothes offers some relief for parents
  37. The Soviet Union once hunted endangered whales to the brink of extinction – but its scientists opposed whaling and secretly tracked its toll
  38. Reducing gun violence: A complicated problem can't be solved with just one approach, so Indianapolis is trying programs ranging from job skills to therapy to violence interrupters to find out what works
  39. What's a banana republic? A political scientist explains
  40. What causes hives and how dangerous can they be? A nurse practitioner explains
  41. 5 books and films that tell the story of the trauma of the Partition of India and its aftermath
  42. The metaverse isn't here yet, but it already has a long history
  43. India turns 75: Fast facts about the unusual constitution guiding the world's most populous democracy
  44. An interfaith discussion on the role of religion in mental health
  45. Politicians seek to control classroom discussions about slavery in the US
  46. At 75, Pakistan has moved far from the secular and democratic vision of its founder, Mohammad Ali Jinnah
  47. Russia’s threats to shut down Jewish Agency raise alarm bells for those who remember the past
  48. There's reason for people on opposing sides of abortion to talk, even if they disagree – it helps build respect, understanding and can lead to policy change
  49. Farmers can save water with wireless technologies, but there are challenges – like transmitting data through mud
  50. American Sikhs are targets of bigotry, often due to cultural ignorance