remix – to adapt the work Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes...
org/licenses/by/4.0CC BY 4.0 Creative Commons Attribution 4.0 truetrue English An upper bound for the background rate of human extinction determination method: SHA-1...
remix – to adapt the work Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes...