Read more about the major science breakthroughs of 2023:
https://www.science.org/boty2023

0:00 Breakthrough of the Year: GLP-1 therapies
0:26 The exascale era
0:57 Early footsteps in the Americas
1:32 Hunting for natural hydrogen
2:08 Malaria vaccines poised to make an impact
2:33 Earth's carbon pump is slowing
3:08 Early career scientists rise up
3:43 Supermassive black hole merger
4:20 Modest headway against Alzheimer's
4:53 AI weather models arrive