Evolving intelligent life took billions of years, but it may not have been as unlikely as many scientists predicted
Some scientists have argued that the evolution of intelligent life on Earth required many "hard steps" that make it unlikely for it to have evolved elsewhere. Three researchers discuss how those hard steps might not be so hard after all.
Sources
- T2Evolving intelligent life took billions of years, but it may not have been as unlikely as many scientists predictedSpacePolicyOnline / The Space Review