Science Magazine | The Biggest Science Breakthroughs in 2023

00:00 - Breakthrough of the Year: GLP-1 therapies

00:26 - The exascale era

00:57 - Early footsteps in the Americas

01:32 - Hunting for natural hydrogen

02:08 - Malaria vaccines poised to make an impact

02:33 - Earth's carbon pump is slowing

93:08 - Early career scientists rise up

03:43 - Supermassive black hole merger

04:20 - Modest headway against Alzheimer's

04:53 - AI weather models arrive