23 Reasons to be Cheerful (Thanks to Science!)

The video reflects on the challenges of 2016, highlighting global issues like geopolitical upheaval and environmental concerns. Despite these challenges, it celebrates scientific achievements such as the confirmation of gravitational waves, advancements in AI, CRISPR gene editing, and space exploration. Environmental progress includes the Paris Climate Agreement and species conservation. Unique discoveries like new species and technological innovations are also discussed. The video concludes with a hopeful message about the positive impact of science.

What new insight or understanding did you gain from this video?