NewsPronto

 
Men's Weekly

.

USA Conversation

The Conversation USA

The Conversation USA

A metropolis arose in medieval Cambodia – new research shows how many people lived in the Angkor Empire over time

  • Written by Sarah Klassen, Postdoctoral Researcher of Archaeological Sciences, Leiden University
imageA visualization of daily life around Angkor Wat in the late 12th century. Tom Chandler, Mike Yeates, Chandara Ung and Brent McKee, Monash University, 2021, CC BY-NC-ND

How big were the world’s ancient cities? At its height, the world’s first city of Uruk may have had about 40,000 people about 5,000 years ago. In the medieval period,...

Read more: A metropolis arose in medieval Cambodia – new research shows how many people lived in the Angkor...

More Articles ...

  1. Mary Ball Washington, George’s single mother, often gets overlooked – but she's well worth saluting
  2. US prisons hold more than 550,000 people with intellectual disabilities – they face exploitation, harsh treatment
  3. Lag BaOmer pilgrimage brings Orthodox Jews closer to eternity – I experienced this spiritual bonding in years before the tragedy
  4. Space tourism is here – 20 years after the first stellar tourist, Jeff Bezos' Blue Origin plans to send civilians to space
  5. Popping toys, the latest fidget craze, might reduce stress for adults and children alike
  6. Warming is clearly visible in new US 'climate normal' datasets
  7. Faces of those America is leaving behind in Afghanistan
  8. Police academies dedicate 3.21% of training hours to ethics and other public service topics – new research
  9. Wildfires are contaminating drinking water systems, and it's more widespread than people realize
  10. Nocturnal dinosaurs: Night vision and superb hearing in a small theropod suggest it was a moonlight predator
  11. Reducing methane is crucial for protecting climate and health, and it can pay for itself – so why aren't more companies doing it?
  12. What the US can learn from Africa about slavery reparations
  13. Anti-transgender bills are latest version of conservatives' longtime strategy to rally their base
  14. Kids with a desk and a quiet place to study do better in school, data shows
  15. Why people with disabilities are at greater risk of going hungry – especially during a pandemic
  16. Why Facebook created its own ‘supreme court’ for judging content – 6 questions answered
  17. What causes miscarriages? An expert explains why women shouldn't blame themselves
  18. Early humans used fire to permanently change the landscape tens of thousands of years ago in Stone Age Africa
  19. Taste alone won't persuade Americans to swap out beef for plant-based burgers
  20. Where coronavirus variants emerge, surges follow – new research suggests how genomic surveillance can be an early warning system
  21. MDMA may help treat PTSD – but beware of claims that Ecstasy is a magic bullet
  22. How 'socialism' stopped being a dirty word for some voters – and started winning elections across America
  23. Georgia voter suppression efforts may not change election results much
  24. Bishops' move to press Biden not to take Communion reflects power struggle in split Catholic Church
  25. Are graphene-coated face masks a COVID-19 miracle – or another health risk?
  26. Indians are forced to change rituals for their dead as COVID-19 rages through cities and villages
  27. Two classes of trans kids are emerging – those who have access to puberty blockers, and those who don't
  28. How cleaning up coolants can cool the climate – why HFCs are getting phased out from refrigerators and air conditioners
  29. Biden's infrastructure plan targets lead pipes that threaten public health across the US
  30. Here's why students don't revise what they write – and why they should
  31. How qualified immunity protects police officers accused of wrongdoing
  32. What are the blood clots associated with the Johnson Johnson COVID-19 vaccine? 4 questions answered
  33. Why Trump is more likely to win in the GOP than to take his followers to a new third party
  34. Installing solar panels over California's canals could yield water, land, air and climate payoffs
  35. Why we remember more by reading – especially print – than from audio or video
  36. Breakfast After the Bell programs reduce school absenteeism
  37. Massive flare seen on the closest star to the solar system: What it means for chances of alien neighbors
  38. What happened to Confederate money after the Civil War?
  39. American cities have long struggled to reform their police – but isolated success stories suggest community and officer buy-in might be key
  40. Family meals are good for the grown-ups, too, not just the kids
  41. From tulips and scrips to bitcoin and meme stocks – how the act of speculating became a financial mania
  42. How to tell if your college is trans-inclusive
  43. The 'bystander effect' is real -- but research shows that when more people witness violence, it's more likely someone will step up and intervene
  44. 82% of Americans want paid maternity leave – making it as popular as chocolate
  45. Watching a coral reef die as climate change devastates one of the most pristine tropical island areas on Earth
  46. No, los efectos secundarios de las vacunas no son una señal de que tu sistema inmunitario te protegerá mejor
  47. State lawsuits over stimulus tax rule face uphill battle
  48. #MeToo on TikTok: Teens use viral trend to speak out about their sexual harassment experiences
  49. The Pilgrims' attack on a May Day celebration was a dress rehearsal for removing Native Americans
  50. How Biden's paid leave proposal would benefit workers, their families and their employers too