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Ancient viral genomes preserved in glaciers reveal the history of Earth’s climate – and how viruses adapt to climate change

  • Written by Zhi-Ping Zhong, Research Associate at the Polar and Climate Research Center, The Ohio State University
imageThe researchers drilling on the Guliya Glacier.Lonnie Thompson, CC BY-ND

As humans alter the planet’s climate and ecosystems, scientists are looking to Earth’s history to help predict what may unfold from climate change. To this end, massive ice structures like glaciers serve as nature’s freezers, archiving detailed records of...

Read more: Ancient viral genomes preserved in glaciers reveal the history of Earth’s climate – and how...

How US military planning has shifted away from fighting terrorism to readying for tensions and conflict with China and Russia

  • Written by Eric Rosenbach, Senior Lecturer in Public Policy, Harvard Kennedy School
imageThree nations are in a global competition for power and influence.Ruma Aktar/iStock / Getty Images Plus

President Joe Biden’s recent approval of a major shift in U.S. nuclear weapons strategy highlights the attention the country’s national security officials are paying to Chinese ambitions for influence in the world.

As changes emerge in...

Read more: How US military planning has shifted away from fighting terrorism to readying for tensions and...

What is mental imagery? Brain researchers explain the pictures in your mind and why they’re useful

  • Written by Lynne Gauthier, Associate Professor of Physical Therapy and Kinesiology, UMass Lowell
imageSome people can visualize things perfectly in their mind's eye, while others can't.designer491/iStock via Getty Images Plusimage

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.

Why are some people able to visualize scenarios in their minds, with...

Read more: What is mental imagery? Brain researchers explain the pictures in your mind and why they’re useful

A third of the world’s population lacks internet connectivity − airborne communications stations could change that

  • Written by Mohamed-Slim Alouini, Distinguished Professor of Electrical and Computer Engineering, King Abdullah University of Science and Technology
imageAn experimental aircraft like this solar-powered airship could someday play a role in providing internet access to rural areas or disaster zones.Thales Alenia Space via Wikimedia Commons, CC BY-SA

About one-third of the global population, around 3 billion people, don’t have access to the internet or have poor connections because of infrastruct...

Read more: A third of the world’s population lacks internet connectivity − airborne communications stations...

All politicians change their minds – and have been flip-flopping on positions for hundreds of years

  • Written by Shannon Bow O'Brien, Associate Professor of Instruction, The University of Texas at Austin
imageKamala Harris and Donald Trump are far from the first politicians to be accused of flip-flopping on issues. Francesco Zerilli/Zerillimedia/Science Photo Library

People change their opinions. As my husband says, “I always reserve the right to get smarter,” paraphrasing Konrad Adenauer, the former chancellor of Germany.

But when...

Read more: All politicians change their minds – and have been flip-flopping on positions for hundreds of years

From Kursk to Kursk: Putin’s attempt to project an image as Russia’s ‘protector’ has been punctured throughout his 25 years in power

  • Written by Lena Surzhko Harned, Associate Teaching Professor of Political Science, Penn State

In the quarter-century of Vladimir Putin’s rule – he has served as prime minister or president since August 1999 – the former KGB man has attempted to sell to the public the image of strongman, savior and defender of the Russian people.

Indeed, the “special military operation” in Ukraine, as the Kremlin has described...

Read more: From Kursk to Kursk: Putin’s attempt to project an image as Russia’s ‘protector’ has been...

Urban wildfires disrupt streams and their tiny inhabitants − losing these insects is a warning of bigger water problems

  • Written by Lauren Magliozzi, Researcher in Environmental Engineering, University of Colorado Boulder
imageAsh from fires often washes into streams, where it can wreak havoc on ecosystems.Lauren Magliozzi, CC BY-ND

A tiny, vibrant world thrives along the rocky bottom of most streams. As sunlight filters through the water, mayfly nymphs, no larger than your fingernail, cling to algae-coated cobbles. Their brushlike mouthparts scrape the greenish coating,...

Read more: Urban wildfires disrupt streams and their tiny inhabitants − losing these insects is a warning of...

In domestic violence cases, police are more likely to make arrests when pets are abused, too

  • Written by Lynn Addington, Professor, Department of Justice, Law & Criminology, American University
imagePeople abused by intimate partners regularly cite fear for their pet's safety as a primary reason they do not leave an abusive situation.Sjale/ Illustration: iStock / Getty Images Plus

Nearly two-thirds of U.S. households have at least one pet, and almost all see their pet as a family member.

Unfortunately, in homes where violence occurs, pets can...

Read more: In domestic violence cases, police are more likely to make arrests when pets are abused, too

People with physical and mobility disabilities need to work out, but there are a lot of obstacles in their way

  • Written by Alexandra Jamieson, Research Scientist of Biomedical Technologies, University of Texas at Arlington
imageThe Movin' Mavs, the University of Texas at Arlington's championship-winning wheelchair basketball team, says their gym needs more adaptive exercise equipment. UTA Adaptive Sports Program, CC BY-ND

Although wheelchair users, visually impaired people and others with mobility and physical disabilities need consistent exercise, it’s often hard...

Read more: People with physical and mobility disabilities need to work out, but there are a lot of obstacles...

South Sudan’s long-delayed election will be a landmark moment − but economic decline and political strife put vote at risk

  • Written by Abigail Kabandula, Post-doctoral fellow in global governance and Director of Africa Center, University of Denver
imageSouth Sudanese voters are slated to go to the polls in December. But will they?AP Photo/Sam Mednick

Elections are pivotal milestones in post-conflict countries – and nowhere is voter anticipation felt more keenly than in South Sudan, the world’s youngest nation.

The country, which won independence in 2011 after a long conflict with...

Read more: South Sudan’s long-delayed election will be a landmark moment − but economic decline and political...

More Articles ...

  1. Kamala’s kicks, Tim’s lids, and the red ties that bind Trump and Vance – what’s behind the fashion choices of each candidate
  2. ‘Coconut farmers for Harris,’ influencers and vertical signs – Smithsonian curators’ encounters at the Democratic National Convention
  3. Polaris Dawn mission to Earth’s orbit will test SpaceX’s capabilities for a commercial space program
  4. 4 ways Wissahickon Valley Park makes Philly more resilient against climate change
  5. The Polaris Dawn mission to Earth’s orbit will test SpaceX’s capabilities for a commercial space program
  6. No, the world isn’t heading toward a new Cold War – it’s closer to the grinding world order collapse of the 1930s
  7. How organized labor shames its traitors − the story of the ‘scab’
  8. US is unlikely to stop giving military aid to Israel − because it benefits from it
  9. What links aging and disease? A growing body of research says it’s a faulty metabolism
  10. Gift card scams generate billions for fraudsters and industry as regulators fail to protect consumers − and how one 83-year-old fell into the ‘fear bubble’
  11. Why gift cards fall into a gap in the 2-tier banking regulation system − and a brief history of why that gap exists
  12. From thoughts to words: How AI deciphers neural signals to help a man with ALS speak
  13. ‘Time poverty’ can keep college students from graduating − especially if they have jobs or children to care for
  14. Italian teenager Carlo Acutis’ upcoming canonization reflects the Vatican’s desire to appeal to a new generation of Catholics
  15. Can a political party get any attention when its rival holds a national convention? Yes, but it’s not easy
  16. How debt and taxes conspired to rob Nairobi’s slum-dwelling youth of the promise of a better life
  17. Treating Nord Stream blasts as a whodunit misses the point – and plays into Russia’s plan to distract and divide
  18. Want to fight gender inequality? A review of data from 118 counties shows that development aid works
  19. Want to fight gender inequality? A review of data from 118 countries shows that development aid works
  20. As human population grows, people and wildlife will share more living spaces around the world
  21. Thwaites Glacier won’t collapse like dominoes as feared, study finds, but that doesn’t mean the ‘Doomsday Glacier’ is stable
  22. Rural voters don’t necessarily love Walz, despite the camo hat and small-town upbringing
  23. Squid have tiny teeth in their suckers − scientists could use their unique properties to make self-healing materials
  24. Space missions are getting more complex − lessons from Amazon and FedEx can inform satellite and spacecraft management in orbit
  25. China leans into using AI − even as the US leads in developing it
  26. America’s Iran policy is a failure − piecemeal deterrence and sanctions can go only so far
  27. Democratic Party’s embrace of organized labor in 2024 elections has long roots that had started to wither
  28. Los Angeles is in a 4-year sprint to deliver a car-free 2028 Olympics
  29. Politicians step up attacks on the teaching of scientific theories in US schools
  30. Do Charli XCX’s and Kid Rock’s endorsements make a difference? 19% of young people admit they might
  31. AI pioneers want bots to replace human teachers – here’s why that’s unlikely
  32. Blood sugar fluctuations after eating play an important role in anxiety and depression
  33. The mystic and the mathematician: What the towering 20th-century thinkers Simone and André Weil can teach today’s math educators
  34. Readers prefer to click on a clear, simple headline − like this one
  35. 75 years ago, the KKK and anti-communists teamed up to violently stop a folk concert in NY
  36. Does Democratic VP candidate Walz swear too damn much?
  37. Sharks are taking a bite out of anglers’ catch in the Gulf of Mexico, but culling isn’t likely to help
  38. Biden administration’s negotiated price cuts for 10 common prescription drugs likely to save Medicare billions, beginning in 2026
  39. Why don’t more politicians retire? A medical anthropologist explains how the US could benefit from a mandatory retirement age
  40. Could we use volcanoes to make electricity?
  41. Ancient Rome had ways to counter the urban heat island effect – how history’s lessons apply to cities today
  42. Astronomers have warned against colonial practices in the space industry − a philosopher of science explains how the industry could explore other planets without exploiting them
  43. Anthropology students present their research in poetry, plays and op-eds in this course
  44. Who is the ‘Laughing Buddha’? A scholar of East Asian Buddhism explains
  45. Banana apocalypse, part 2 – a genomicist explains the tricky genetics of the fungus devastating bananas worldwide
  46. US voters say they’re ready for a woman president − but sexist attitudes still go along with opposition to Harris
  47. Editing fetal genomes is on the horizon − a medical anthropologist explains why ethical discussions with the target communities should happen sooner rather than later
  48. His crayon is purple – but is Harold a Black boy?
  49. Most young voters support Kamala Harris − but that doesn’t guarantee they will show up at the polls
  50. Complicated app settings are a threat to user privacy