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The Conversation USA

The Conversation USA

Smart concrete could pave the way for high-tech, cost-effective roads

  • Written by Luna Lu, ACPA Scholar & Professor Of Civil Engineering, Purdue University
imageThe Golden Gate Bridge in San Francisco averages more than 100,000 vehicles daily.Photo by Saketh Garuda for Unsplash

Every day, Americans travel on roads, bridges and highways without considering the safety or reliability of these structures. Yet much of the transportation infrastructure in the U.S. is outdated, deteriorating and badly in need of...

Read more: Smart concrete could pave the way for high-tech, cost-effective roads

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  1. When scientific journals take sides during an election, the public's trust in science takes a hit
  2. 60 years after JFK, Biden as second Catholic president offers a refresh in church's political role
  3. The many stories of Diwali share a common theme of triumph of justice
  4. On environmental protection, Biden's election will mean a 180-degree turn from Trump policies
  5. When a child chooses a donor to sponsor them, it's a new twist on a surprisingly old model of international charity
  6. Tweets reveal Trump’s and Biden’s competing views of masculinity – what that will mean for presidential leadership
  7. The Matrix is already here: Social media promised to connect us, but left us isolated, scared and tribal
  8. Americans don't eat enough fish and miss out on robust health benefits
  9. We’ll see more fire seasons like 2020 - here’s a strategy for managing our nation’s flammable landscapes
  10. In its troubled hour, polling could use an irreverent figure to reset expectations
  11. In appealing to 'give each other a chance,' Biden recalls the democratic charity of Abraham Lincoln
  12. Biden's climate change plans can quickly raise the bar, but can they be transformative?
  13. Buying a coronavirus vaccine for everyone on Earth, storing and shipping it, and giving it safely will all be hard and expensive
  14. Oil field operations likely triggered earthquakes in California a few miles from the San Andreas Fault
  15. How you can help veterans every day
  16. Conservatives backed the ideas behind Obamacare, so how did they come to hate it?
  17. How to host a safe holiday meal during coronavirus – an epidemiologist explains her personal plans
  18. Russia's rigged elections look nothing like the US election – they have immediate, unquestioned results there
  19. Why we didn't get a vaccine by Election Day – but why we may get one soon
  20. Who are patron saints and why do Catholics venerate them?
  21. Flaws emerge in modeling human genetic diseases in animals
  22. What the California vote to keep the ban on affirmative action means for higher education
  23. Choosing health insurance is so complicated, 23% of workers with only two choices picked the worse one
  24. How children with lethal cancers and other incurable illnesses have benefited from the Affordable Care Act – and why they'll suffer if the Supreme Court overturns it
  25. Before Kamala Harris, many Black women aimed for the White House
  26. Exoplanets are still out there -- a new model tells astronomers where to look for more using 4 simple variables
  27. Conservatives value personal stories more than liberals do when evaluating scientific evidence
  28. Farmers are depleting the Ogallala Aquifer because the government pays them to do it
  29. So-called 'Latino vote' is 32 million Americans with diverse political opinions and national origins
  30. The complicated origin of the expression 'peanut gallery'
  31. Why Republicans and others concerned about the economy have reason to celebrate Biden in the White House
  32. Georgia's political shift – a tale of urban and suburban change
  33. Biden wins – experts on what it means for race relations, US foreign policy and the Supreme Court
  34. How votes are counted in Pennsylvania: Changing numbers are a sign of transparency, not fraud, during an ongoing process
  35. Has Donald Trump had his Joe McCarthy moment?
  36. Is democracy sacred?
  37. Job policies that offer generous unemployment benefits create more happiness – for everyone
  38. A skin-eating fungus from Europe could decimate Appalachia's salamanders – but researchers are working to prevent an outbreak
  39. Keep calm and carry on – but how? A psychologist offers 10 tips to manage the uncertainty and stress of election aftermath
  40. COVID-19 reveals how obesity harms the body in real time, not just over a lifetime
  41. Delinquent electric bills from the pandemic are coming due – who will pay them?
  42. How Reagan's notions of a 'good society' resonate with Trump supporters today
  43. Remote education is rife with threats to student privacy
  44. 5 types of misinformation to watch out for while ballots are being counted – and after
  45. Congress could select the president in a disputed election
  46. Trump's Pennsylvania lawsuits invoke Bush v. Gore – but the Supreme Court probably won't decide the 2020 election
  47. 3 scholars explain Senate results in South Carolina, Iowa and Arizona - and what they say about voters
  48. A disputed election delivered 3 governors to Georgia – at the same time
  49. Post-election grief is real, and here are 5 coping strategies – including getting back into politics
  50. Although now required by California law, ethnic studies courses likely to be met with resistance