Deep Blue
Ocean
More of Earth is underwater than mapped. The strangest life on the planet hides down there.
- 01
Deep sea monsters that are actually real
From sharks with slingshot jaws to fish with transparent heads, the deep ocean is home to creatures that defy the laws of surface biology.
- 02
Whales could fit a tiny human inside
Seriously, a whole person fits inside some whales. Here's the breakdown
- 03
Tiny sea forests breathe life into our world
Who knew these little floaters were such big air-makers for Earth?
- 04
Why are whales washing ashore, dead?
Scientists are stumped by these mysterious whale deaths. We need to find out what's happening
- 05
Whale barnacles grow into skin and bone
These seemingly harmless crustaceans don't just cling to whales; they physically embed themselves into their host's flesh and sometimes even bone.
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The farm animals that eat straight from the sea
Mussel farmers don't deliver dinner to their animals. The sea does. And when the harvest comes ashore, it carries away nutrients that can cause trouble in coastal waters.
The military scrapyard that ended up growing coral
Off Vanuatu, coral covers machinery the U.S. military deliberately threw into the sea. Million Dollar Point is an underwater scrapyard where wartime waste became a place for marine life to settle.
Deep sea monsters that are actually real
From sharks with slingshot jaws to fish with transparent heads, the deep ocean is home to creatures that defy the laws of surface biology.
Sperm whales: the loudest animal alive
A sperm whale's click is loud enough to vibrate a human to death. Discover how these giants hunt in total darkness and sleep standing up.
The ocean sunfish gets eaten alive
The two-tonne Mola mola serves as a living buffet for 40 species of parasites and predators alike, surviving through sheer mathematical defiance.
Fish waste feeds plants in this symbiotic farm
It sounds like a mad scientist's experiment: fish poop fertilizing plants, all in a closed-loop system. But aquaponics is quietly revolutionizing how we grow food.
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This jellyfish cheats death by aging backwards
It's a living paradox. This tiny creature can literally turn back time
Sea spiders aren't really spiders
They look like spiders, but these ocean dwellers are something else entirely
Dead Sea salt keeps your body afloat
Seriously, it's so salty your body just floats. No sinking allowed here
The farm animals that eat straight from the sea
Mussel farmers don't deliver dinner to their animals. The sea does. And when the harvest comes ashore, it carries away nutrients that can cause trouble in coastal waters.
Ghost nets haunt the ocean
those lost fishing nets are a silent killer for ocean life
Ocean shells crown Earth's highest peak
It sounds crazy, but ancient oceans actually covered Mount Everest
Every episode in Deep Blue
Where does more than half of the Earth's oxygen supply come from?
What would happen to a standard basketball at the bottom of the Mariana Trench?
Approximately how much gold is dissolved within the world's combined ocean waters?
At what age does a Greenland shark typically reach reproductive maturity?
Explore other rabbit holes
All categories →Glass frogs, immortal jellyfish, and shrimp that punch faster than bullets.
Black holes, dying stars, and worlds where it rains diamonds.
Your body breaks every rule it taught you in biology class.
Tardigrades, viruses and the invisible kingdoms living on you.
Dinosaurs, mass extinctions and the planet that came before this one.
Quantum entanglement, time dilation and experiments that broke physics.
How machines, code, and inventions actually work.
Optical tricks, memory glitches and the colours that don't really exist.
Storms, eruptions, and creatures so deadly evolution made them glow.