Summary #748

New date for 'Late Heavy Bombardment' may change life's timeline on Earth
  • There might have been no extraordinary asteroid bombardment -- new theory questions the nature of the event and proposes new date.
  • Implications are big, as this would push back the age of hospitable Earth.
  • First hints of life appeared up to 3.9 billion years ago, so it’s unlikely that the storm happened then.
  • Also, it may have been no extraordinary storm, but just the aftermath of the chaos that occured in the young solar system.
  • Ultimately, the new theory states that Earth couldn’t suffer ocean-boiling, surface-liquifying asteroid strikes since 4.48 billion years ago.


  • Science Science (59) Study shows, for the first time, that giving Oxytocin to men with autism can have lasting positive effects
  • Psychology Psychology (64) You’re more likely to make a decision when you breathe out
  • Cosmos Cosmos (29) Astronomers witness the dragging of space-time in stellar cosmic dance
  • History History (14) Humans survived off rodents in the mountains during the last ice age, study says
  • Society Society (65) The start-up bubble is finally bursting (a little bit)
  • Medicine Medicine (65) Scientists discover powerful antibiotic using AI
  • Technology Technology (70) Polymer patch could reduce negative effects of cardiac scar tissue
  • Nature Nature (45) Scientists are trying to save bees with special bacteria for bee gut microbiome



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