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Graphene is a proven supermaterial, but manufacturing the versatile form of carbon at usable scales remains a challenge

  • Written by Kevin Wyss, PhD Student in Chemistry, Rice University
imageGraphene has many incredible physical properties that arise from its one-atom-thick carbon structure.AlexanderAlUS/Wikimedia Commons, CC BY-SA

“Future chips may be 10 times faster, all thanks to graphene”; “Graphene may be used in COVID-19 detection”; and “Graphene allows batteries to charge 5x faster” –...

Read more: Graphene is a proven supermaterial, but manufacturing the versatile form of carbon at usable...

Still recovering from COVID-19, US public transit tries to get back on track

  • Written by Kari Edison Watkins, Associate Professor of Civil and Environmental Engineering, University of California, Davis
imageRidership on public transit had been declining even before the spread of the virus.Leo Patrizi/E+ via Getty Images

U.S. commuters take approximately 10 billion trips on public transit every year. SciLine asked Kari Watkins, an associate professor of civil and environmental engineering at the University of California, Davis, what cities can do to...

Read more: Still recovering from COVID-19, US public transit tries to get back on track

We're decoding ancient hurricanes' traces on the sea floor – and evidence from millennia of Atlantic storms is not good news for the coast

  • Written by Tyler Winkler, Postdoctoral Researcher in Oceanography, Woods Hole Oceanographic Institution
imageDeep 'blue holes,' like this one off Belize, can collect evidence of hurricanes.The TerraMar Project, CC BY

If you look back at the history of Atlantic hurricanes since the late 1800s, it might seem hurricane frequency is on the rise.

The year 2020 had the most tropical cyclones in the Atlantic, with 31, and 2021 had the third-highest, after 2005....

Read more: We're decoding ancient hurricanes' traces on the sea floor – and evidence from millennia of...

This course takes a broad look at failure – and what we can all learn when it occurs

  • Written by Robert Kunzman, Professor of Curriculum Studies and Philosophy of Education, Indiana University
imageFailure can be helpful if it's understood correctly.Maria Korneeva via Getty Imagesimage

Unusual Courses is an occasional series from The Conversation U.S. highlighting unconventional approaches to teaching.

Title of course:

“Failure, and How We Can Learn from It”

What prompted the idea for the course?

When I was a high school teacher, I found...

Read more: This course takes a broad look at failure – and what we can all learn when it occurs

How can you tell if something is true? Here are 3 questions to ask yourself about what you see, hear and read

  • Written by Bob Britten, Teaching Associate Professor of Media, West Virginia University
imageEmotions can get in the way of knowing what’s true.Elva Etienne/Moment 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.

How can I tell if what I am hearing is true? – Adam, age 10, Maui, Hawaii

Have you ever heard...

Read more: How can you tell if something is true? Here are 3 questions to ask yourself about what you see,...

Celebrities in politics have a leg up, but their advantages can't top fundraising failures

  • Written by Richard T. Longoria, Associate Professor of Political Science, University of Texas Rio Grande Valley
imageMehmet Oz speaks on Nov. 8, 2022, shortly before losing his bid for Pennsylvania senator during the midterm elections. Ed Jones/AFP via Getty Images

TV personality Mehmet Oz lost his bid for Pennsylvania senator during the November midterms. And former NFL football star Herschel Walker appears to be falling further behind his opponent, incumbent...

Read more: Celebrities in politics have a leg up, but their advantages can't top fundraising failures

Treating mental illness with electricity marries old ideas with modern tech and understanding of the brain – podcast

  • Written by Daniel Merino, Assistant Science Editor & Co-Host of The Conversation Weekly Podcast, The Conversation
imageIn deep brain stimulation, electrodes – the pale white lines – are implanted into a patient's brain and connected to a battery in a person's chest. Jmarchn/Wikimedia Commons, CC BY-SA

Mental illnesses such as obsessive compulsive disorder, depression and addiction are notoriously hard to treat and often don’t respond to drugs. But...

Read more: Treating mental illness with electricity marries old ideas with modern tech and understanding of...

Rampage at Virginia Walmart follows upward trend in supermarket gun attacks – here's what we know about retail mass shooters

  • Written by Jillian Peterson, Professor of Criminal Justice, Hamline University
imageThe latest target in America's gun crime epidemic.AP Photo/Alex Brandon

A gun rampage at a Walmart in Virginia is the latest amid a rise in mass shootings in general in the U.S., and mass shootings at grocery and retail stores in particular.

Multiple people including the gunman were killed in the incident on Nov. 22, 2022, at an outlet of the...

Read more: Rampage at Virginia Walmart follows upward trend in supermarket gun attacks – here's what we know...

Wilma Mankiller, first female principal chief of Cherokee Nation, led with compassion and continues to inspire today

  • Written by Julie Reed, Associate Professor in History, Penn State
imageWilma Mankiller served in the top leadership role of the Cherokee Nation from 1985 to 1995.Peter Turnley/Corbis Historical via Getty Images

If you fish in your pocket or purse for a U.S. quarter today, there’s a chance you’ll see Wilma Mankiller’s face. She was the Cherokee Nation’s first female principal chief, and she...

Read more: Wilma Mankiller, first female principal chief of Cherokee Nation, led with compassion and...

What is ethical animal research? A scientist and veterinarian explain

  • Written by Lana Ruvolo Grasser, Postdoctoral Research Fellow in Neuroscience, National Institutes of Health
imageAnimal research's benefits are clear -- but public awareness of what it involves is not.Javier Pierini/DigitalVision via Getty Images

A proposed measure in Switzerland would have made that country the first to ban medical and scientific experimentation on animals. It failed to pass in February 2022, with only 21% of voters in favor. Yet globally, in...

Read more: What is ethical animal research? A scientist and veterinarian explain

More Articles ...

  1. Scientists discover five new species of black corals living thousands of feet below the ocean surface near the Great Barrier Reef
  2. Midterm election results reflect the hodgepodge of US voters, not the endorsement or repudiation of a candidate’s or party’s agenda
  3. Dreaming of beachfront real estate? Much of Florida's coast is at risk of storm erosion that can cause homes to collapse, as Daytona just saw
  4. The World Cup puts the spotlight on Qatar, but also brings attention to its human rights record and politics – 4 things to know
  5. Suspect in the Colorado LGBTQ shootings faces hate crimes charges – what exactly are they?
  6. Vitamin B12 deficiency is a common health problem that can have serious consequences – but doctors often overlook it
  7. After COP27, all signs point to world blowing past the 1.5 degrees global warming limit – here's what we can still do about it
  8. Student loan cancellation got blocked. Now what? 3 questions answered
  9. Railroad unions and their employers at an impasse: Freight-halting strikes are rare, and this would be the first in 3 decades
  10. 4 plays that dramatize the kidnapping of children during wars
  11. Scientists uncovered the structure of the key protein for a future hepatitis C vaccine – here's how they did it
  12. Red flag laws and the Colorado LGBTQ club shooting – questions over whether state's protection order could have prevented tragedy
  13. Thanksgiving hymns are a few centuries old, tops – but biblical psalms of gratitude and praise go back thousands of years
  14. COP27's ‘loss and damage’ fund for developing countries could be a breakthrough – or another empty climate promise
  15. Rappers are victims of an epidemic of gun violence – just like all of America
  16. Retailers may see more red after Black Friday as consumers say they plan to pull back on spending – acting as if the US were already in a recession
  17. When's the best time to use frequent flyer miles to book flights? Two economists crunched the numbers on maximizing their dollar value
  18. 18th- and 19th-century Americans of all races, classes and genders looked to the ancient Mediterranean for inspiration
  19. This course teaches how to judge a book by its cover - and its pages, print and other elements of its design
  20. How to design clean energy subsidies that work – without wasting money on free riders
  21. People don't mate randomly – but the flawed assumption that they do is an essential part of many studies linking genes to diseases and traits
  22. Air pollution harms the brain and mental health, too – a large-scale analysis documents effects on brain regions associated with emotions
  23. 6 feet of snow in Buffalo: What causes lake-effect storms like this?
  24. What to watch for when you are watching the World Cup: Essential reads for on and off the field
  25. What the world would lose with the demise of Twitter: Valuable eyewitness accounts and raw data on human behavior, as well as a habitat for trolls
  26. How medieval Catholic traditions of thanksgiving prayers and feasting shaped the Protestant celebration of Plymouth's pilgrims
  27. Why I teach a course connecting Taylor Swift's songs to the works of Shakespeare, Hitchcock and Plath
  28. World Cup: This year's special Al Rihla ball has the aerodynamics of a champion, according to a sports physicist
  29. COVID-19, RSV and the flu are straining health care systems – two epidemiologists explain what the 'triple threat' means for children
  30. Abortion rights referendums are winning – with state-by-state battles over rights replacing national debate
  31. Ending Amazon deforestation: 4 essential reads about the future of the world's largest rainforest
  32. Doctors often miss depression symptoms for certain groups – a routine screening policy for all adult primary care patients could significantly reduce the gap
  33. Nancy Pelosi was the key Democratic messenger of her generation – passing the torch will empower younger leadership
  34. How same-sex marriage gained bipartisan support – a decadeslong process has brought it close to being written into federal law
  35. Some midterm polls were on-target - but finding which pollsters and poll aggregators to believe can be challenging
  36. Some midterm polls were on-target – but finding which pollsters and poll aggregators to believe can be challenging
  37. Dramatic collapse of the cryptocurrency exchange FTX contains lessons for investors but won't affect most people
  38. Flexible AI computer chips promise wearable health monitors that protect privacy
  39. Why fixing methane leaks from the oil and gas industry can be a climate game-changer – one that pays for itself
  40. What is Mahāyāna Buddhism? A scholar of Buddhism explains
  41. Why the re-release of iconic porn film 'Deep Throat' fizzled
  42. A brief history of Georgia’s runoff voting – and how this year's contest between two Black men is a sign of progress
  43. Synchrony with chaos – blinking lights of a firefly swarm embody in nature what mathematics predicted
  44. The tragedy of sudden infant death syndrome: A pediatrician explains how to protect your baby
  45. Health rights for trans people vary widely around the globe – achieving trans bliss and joy will require equity, social respect and legal protections
  46. Patients suffering with hard-to-treat depression may get relief from noninvasive magnetic brain stimulation
  47. 317,793 people were arrested for marijuana possession in 2020 despite the growing legalization movement
  48. No, an indictment wouldn't end Trump's run for the presidency – he could even campaign or serve from a jail cell
  49. How young climate activists are making their voices heard at COP27 over Egypt's protest suppression
  50. Antisemitism isn't just ‘Jew-hatred' – it's anti-Jewish racism