7 Unsolved Mysteries About the Deep Ocean
By WatchKnowLearnFrom YoutubeJanuary 7, 2026
The ocean covers 70% of the planet, but humans still don’t know very much about it. In this episode, Hank discusses seven mysterious ocean topics.
#Ocean
#Mystery
#Unexplored
#Depths
#Marine
#Life
#Currents
#Ecosystems
#Research
#Science
#Exploration
#Discovery
#Unknown
#Secrets
#Hydrothermal
#Vents
#Creatures
#Darkness
#Pressure
#Seafloor