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Stranger beasts.
Rare and overlooked creatures, and the strange biology that lets them live.
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#21Stranger beasts5minWhy the Wandering Albatross Crosses 6,000 km in 12 Days Without Flapping
The wandering albatross has the longest wingspan of any living bird, and it crosses oceans by stealing energy from the wind itself.
#20Stranger beasts6minWhy a 500-Million-Year-Old Worm Fires Whipping Glue Jets From Its Face at 60 Hz
A soft, nearly blind rainforest hunter fires two whipping jets of glue at 30 to 60 hertz, and has done so since before there were forests.
#19Stranger beasts6minWhy a 9 kg Honey Badger Survives Cobra Venom
A 9 kg mammal walks up to a cobra and survives. The reason is written into a single receptor in its nervous system.
#18Stranger beasts6minThe Cassowary Paradox: A 12 cm Dagger With Two Deaths in a Century
The southern cassowary carries a 12 cm dagger on each foot and the title of world's most dangerous bird, yet the record shows only two human deaths.
#17Stranger beasts6minWhy a Sea Cucumber Vomits Its Own Internal Organs, Then Regrows Them in 5 Weeks
A soft, slow invertebrate defends itself by expelling its own organs, then rebuilds them in weeks. The biology behind the trade.
#16Stranger beasts6minWhy a Hagfish Drowns Sharks With Slime That Expands 10,000× in 0.4 Seconds
A jawless, eyeless fish older than dinosaurs defeats sharks with a secretion that inflates ten thousand times in four tenths of a second.
#15Stranger beasts6minWhy a 4.5 mm Jellyfish Resets Its Own Life Cycle 11 Times, and Almost Never Does It in the Wild
A 4.5 mm hydrozoan reset its life cycle 11 times in a Kyoto lab. In the open ocean, almost none of them ever get the chance.
#14Stranger beasts6minThe 392-Year-Old Shark That Cannot See
A Greenland shark dated to 392 years old is the longest-lived vertebrate science has measured, and it cannot outbreed 3,500 bycatch deaths a year.
#13Stranger beasts5minThe Lyrebird's Borrowed Voice
A male superb lyrebird's song is roughly three quarters someone else's, and the sounds he copies can outlive the sources that made them.
#12Stranger beasts6minWhy a Colour-Blind Octopus Impersonates 18 Different Marine Species On Command
A soft-bodied cephalopod in Indo-Pacific estuaries impersonates at least 18 species, picking its disguise based on whichever predator just turned up.
#11Stranger beasts6minWhy a Bombardier Beetle Fires Boiling Acid at 500 Pulses per Second
A fingernail-sized beetle brews a near-boiling chemical jet inside its own body and survives it, roughly five hundred times a second.
#10Stranger beasts6minWhy the Platypus Lays Eggs, Hunts Blind, and Carries Venom That Morphine Cannot Touch
A mammal that lays eggs, hunts blind by electric sense, and delivers venom from its hind ankles that hospital morphine cannot touch.
#09Stranger beasts5minThe Olm: A Century of Life in Total Darkness
The olm survives a century in pitch-black karst water, goes ten years without food, and flees light it cannot see.
#08Stranger beasts6minWhy a Tardigrade Survived the Moon, and Cuts Human DNA Damage by 40%
A half-millimetre animal rode an Israeli probe into the Moon, and left behind a protein that now shields human DNA from radiation.
#07Stranger beasts6minWhy a Mantis Shrimp Punches at 23 m/s and Sees 16 Colors You Cannot
A banana-sized crustacean hits at 23 m/s, strikes twice with one blow, and sees ultraviolet and polarised light no camera can read.
#06Stranger beasts6minThe Naked Mole-Rat and the Rules It Refuses to Follow
A hairless East African rodent lives past 37 years, almost never gets cancer, and feels no acid. The biology behind every loophole.
#05Stranger beasts6minThe Pangolin Paradox: One Million Animals Killed for a Substance Identical to Fingernails
A single 2019 Singapore seizure intercepted 14.2 metric tons of pangolin scales, representing roughly 36,000 dead animals in one shipment.
#04Stranger beasts5minThe Blobfish Was Crowned Ugliest Animal From a Photo of Its Own Corpse
The blobfish became the world's ugliest animal on the basis of a single photograph. The photograph was of a corpse.
#03Stranger beasts6minThe Glass Frog That Hides 89% of Its Blood Inside Its Liver
A sleeping glass frog pulls nearly all its red blood cells into its liver, becomes 61 percent more transparent, and wakes without clotting.
#02Stranger beasts5minWhy the Narwhal's Tusk Is Really a Tooth Wired With 10 Million Nerves
A narwhal's tusk is the left canine of the upper jaw, hollow, spiraling counter-clockwise, and wired with roughly ten million exposed nerve endings.
#01Stranger beasts6minWhy Axolotls Never Grow Up, and Regrow Their Own Brains
The axolotl regrows its limbs, spine, and brain without scarring. It is also nearly extinct in the only canal system where it naturally lives.