https://www.youtube.com/watch?v=CiRBQ3frG6U the most violent prisoner
https://www.youtube.com/watch?v=IZrvY7RCE7Q Trump and Joe Biden
https://youtu.be/NlvGuV_75yM vaccine
https://youtu.be/rS6S5vK77pA vaccine (bilingual)
https://youtu.be/qA1_mdiDgyk?t=123 de-extinction (ted)
https://youtu.be/MurFdzEpQbQ resurrect extinct species
https://www.youtube.com/watch?v=bctaWQTYHJc&t=9s double-blinded clinical trial
https://www.youtube.com/watch?v=h3K2tuUyiA4&t=745s designing humanity