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The Conversation

Ukrainians' commitment to fight off Russia grows stronger, as does their expectation of victory, as war enters second year

  • Written by Tatsiana Kulakevich, Assistant Professor of Instruction at School of Interdisciplinary Global Studies, Affiliate Professor at the Institute for Russian, European, and Eurasian Studies, University of South Florida
imageA Ukrainian boy stands on top of a deserted Russian military vehicle in Kyiv in August 2022. Alexey Furman/Getty Images

United States intelligence experts expected Russian troops to quickly overtake Kyiv shortly after Russia launched a full-fledged invasion of Ukraine on Feb. 24, 2022.

But Ukraine continues to control Kyiv and the majority of its...

Read more: Ukrainians' commitment to fight off Russia grows stronger, as does their expectation of victory,...

War in Ukraine accelerates global drive toward killer robots

  • Written by James Dawes, Professor of English, Macalester College
imageIt wouldn't take much to turn this remotely operated mobile machine gun into an autonomous killer robot.Pfc. Rhita Daniel, U.S. Marine Corps

The U.S. military is intensifying its commitment to the development and use of autonomous weapons, as confirmed by an update to a Department of Defense directive. The update, released Jan. 25, 2023, is the...

Read more: War in Ukraine accelerates global drive toward killer robots

Russia’s aggression threatens efforts to protect nature beyond Ukraine

  • Written by Eduardo Gallo-Cajiao, David H. Smith Conservation Research Postdoctoral Fellow, University of Washington
imageRed-breasted geese breed mainly on Russia’s Taymyr Peninsula and migrate to areas adjacent to the Black Sea in Ukraine, Romania and Bulgaria. Daniel Mitev, CC BY-ND

The Russian invasion of Ukraine launched in February 2022 has sent economic, social and political shock waves around the world. In a newly published policy brief, we and other...

Read more: Russia’s aggression threatens efforts to protect nature beyond Ukraine

Train derailments get more headlines, but truck crashes involving hazardous chemicals are more frequent and deadly in US

  • Written by Michael F. Gorman, Professor of Business Analytics and Operations Management, University of Dayton
imageA trooper checks the tire of a truck carrying flammable contents during a random hazmat checkpoint in Colorado.Andy Cross/The Denver Post via Getty Images

Less than two weeks after train cars filled with hazardous chemicals derailed in Ohio and caught fire, a truck carrying nitric acid crashed on a major highway outside Tucson, Arizona, killing the...

Read more: Train derailments get more headlines, but truck crashes involving hazardous chemicals are more...

The ethics of home ownership in an age of growing inequality

  • Written by Désirée Lim, Assistant Professor of Philosophy, Penn State
imagePurchasing property as a primary home is considered more ethical than acquiring property for investment.Ilya Burdun via Getty Images

For many Americans today, homeownership is an unattainable dream.

In 2022, the average long-term U.S. mortgage rate rose to 7% for the first time in more than two decades. The median sales price of existing homes climb...

Read more: The ethics of home ownership in an age of growing inequality

How apartheid, European racism and Pelé helped cultivate a culture of diversity in US soccer that endures into the MLS

  • Written by John M Sloop, Professor of Communication Studies, Vanderbilt University
imagePatrick 'Ace' Ntsoelengoe in action for the Toronto Blizzard.Tony Bock/Toronto Star via Getty Images

North America’s most diverseprofessional league kicks off on Feb. 25, 2023, as Major League Soccer returns after a winter break.

The league, commonly known as the MLS, has long prided itself as a standard-bearer for racial and national...

Read more: How apartheid, European racism and Pelé helped cultivate a culture of diversity in US soccer that...

Epigenetic and social factors both predict aging and health – but new research suggests one might be stronger

  • Written by Eileen Crimmins, Professor of Gerontology, University of Southern California
imageEpigenetics is but one of many factors that influence aging, health and disease.bestdesigns/iStock via Getty Images

Can we objectively tell how fast we are aging? With a good measure, scientists might be able to change our rate of aging to live longer and healthier lives. Researchers know that some people age faster than others and have been trying...

Read more: Epigenetic and social factors both predict aging and health – but new research suggests one might...

First ladies from Martha Washington to Jill Biden have gotten outsized attention for their clothing instead of their views

  • Written by Nichola D. Gutgold, Professor of Communication Arts and Sciences, Penn State
imageFirst lady Jill Biden presents her Inauguration Day clothing at the Smithsonian National Museum of American History in January 2023. Drew Angerer/Getty Images

First ladies’ fashion choices tend to attract a lot of attention and often, quite literally, go down in history.

Now, with their new home at the Smithsonian Museum’s popular...

Read more: First ladies from Martha Washington to Jill Biden have gotten outsized attention for their...

Research on teen social media use has a racial bias – studies of white kids are widely taken to be universal

  • Written by Linda Charmaraman, Director of Youth, Media & Wellbeing Research Lab, Wellesley College
imageWhite teens and teens of color do not have identical online experiences.JGI/Jamie Grill/Tetra images via Getty Images

Most research on teen social media use has been conducted on white teensand college students. As a result, it is unclear to what extent overlooked populations such as racial and ethnic minorities, sexual and gender minorities and...

Read more: Research on teen social media use has a racial bias – studies of white kids are widely taken to be...

Were viruses around on Earth before living cells emerged? A microbiologist explains

  • Written by Kenneth Noll, Professor Emeritus of Microbiology, University of Connecticut
imageMaybe the first life on Earth was part of an 'RNA world.'Artur Plawgo/Science Photo Library via Getty Imagesimage

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.

Were there already viruses on Earth when the first living cells appeared billions of...

Read more: Were viruses around on Earth before living cells emerged? A microbiologist explains

More Articles ...

  1. 3 things the pandemic taught us about inequality in college — and why they matter today
  2. Presidential greatness is rarely fixed in stone – changing attitudes on racial injustice and leadership qualities lead to dramatic shifts
  3. Turkish President Erdoğan's grip on power threatened by devastating earthquake
  4. Do we need political parties? In theory, they're the sort of organization that could bring Americans together in larger purpose
  5. Ukraine war has exposed the folly – and unintended consequences – of 'armed missionaries'
  6. The war in Ukraine hasn't left Europe freezing in the dark, but it has caused energy crises in unexpected places
  7. How far must employers go to accommodate workers' time off for worship? The Supreme Court will weigh in
  8. How vinyl chloride, the chemical in the Ohio train derailment and used to make PVC plastics, can damage your liver
  9. Prisoners donating organs to get time off raises thorny ethical questions
  10. How records of life's milestones help solve cold cases, pinpoint health risks and allocate public resources
  11. Super Bowl car ads sell Americans the idea that new tech will protect them
  12. Michigan State murders: What we know about campus shootings and the gunmen who carry them out
  13. Earthquake in Turkey exposes gap between seismic knowledge and action -- but it is possible to prepare
  14. Donations by top 50 US donors dropped sharply to $16 billion in 2022 – Bill Gates, Elon Musk, Mike Bloomberg and Warren Buffett lead the list of biggest givers
  15. How do blood tests work? Medical laboratory scientists explain the pathway from blood draw to diagnosis and treatment
  16. Five years after Parkland shooting, a school psychologist offers insights on helping students and teachers deal with grief
  17. My art uses plastic recovered from beaches around the world to understand how our consumer society is transforming the ocean
  18. Tribes in Maine left out of Native American resurgence by 40-year-old federal law denying their self-determination
  19. Scandals can end congressional careers – which is why the Office of Congressional Ethics regularly faces attempts to rein it in
  20. Why the love story of Radha and Krishna has been told in Hinduism for centuries
  21. Big Oil's trade group allies outspent clean energy groups by a whopping 27x, with billions in ads and lobbying to keep fossil fuels flowing
  22. Why does the Earth spin?
  23. A less biased way to determine trademark infringement? Asking the brain directly
  24. What a second-century Roman citizen, Lucian, can teach us about diversity and acceptance
  25. Cost of getting sick for older people of color is 25% higher than for white Americans – new research
  26. Studying abroad is poised to make a post-pandemic comeback – here are 5 questions students who plan to study overseas should ask
  27. A new strategy for western states to adapt to long-term drought: Customized water pricing
  28. What to watch for when you are watching the Super Bowl: 5 essential reads
  29. Burt Bacharach mastered the art of the perfect pop song – and that ain't easy
  30. A boon for sports fandom or a looming mental health crisis? 5 essential reads on the effects of legal sports betting
  31. What are stock buybacks? A finance professor explains why President Biden wants to raise the tax on this controversial use of corporate capital
  32. A nagging cough can hang on for weeks or months following a respiratory illness – and there is precious little you can do about it
  33. Use of psychedelics to treat PTSD, OCD, depression and chronic pain – a researcher discusses recent trials, possible risks
  34. Two years after its historic deep freeze, Texas is increasingly vulnerable to cold snaps – and there are more solutions than just building power plants
  35. How video evidence is presented in court can hold sway in cases like the beating death of Tyre Nichols
  36. Why is a love poem full of sex in the Bible? Readers have been struggling with the Song of Songs for 2,000 years
  37. Cancer evolution is mathematical – how random processes and epigenetics can explain why tumor cells shape-shift, metastasize and resist treatments
  38. Patrick Mahomes injury: An ankle surgeon explains what a high ankle sprain is and how it might affect Mahomes in the Super Bowl
  39. Five years after Parkland, school shootings haven't stopped, and kill more people
  40. Lack of diversity in clinical trials is leaving women and patients of color behind and harming the future of medicine – Podcast
  41. Public school enrollment dropped by 1.2M during the pandemic – an expert discusses where the students went and why it matters
  42. CBD is not a cure-all – here's what science says about its real health benefits
  43. Medication abortion could get harder to obtain – or easier: There's a new wave of post-Dobbs lawsuits on abortion pills
  44. Brazil's president visits the White House as he tries to counter rising threats to democracy at home
  45. Data from New Jersey is a warning sign for young sports bettors
  46. New Zealand wants to tax cow burps – here’s why that’s not the best climate solution
  47. Twitter cutoff in Turkey amid earthquake rescue operations: A social media expert explains the danger of losing the microblogging service in times of disaster
  48. Spy balloon drama elevates public attention, pressure for the US to confront China
  49. Adults judge children who tell blunt polite truths more harshly than they do liars
  50. Biden calls for assault weapon ban – but does focus on military-style guns and mass shootings undermine his message?