Unexplainable

Unexplainable takes listeners right up to the edge of what we know … and then keeps on going. Host Noam Hassenfeld and an all-star team of reporters — Byrd Pinkerton, Meradith Hoddinott, and Mandy Nguyen — tackle scientific mysteries, unanswered questions, and everything we learn by diving into the unknown. New episodes drop every Wednesday.

Science
Life Sciences
Natural Sciences
101
Let’s play Unexplainable or Not
For the first time, we get some answers.
26 min
102
The math problem that could break the internet
Today's internet is built on a series of locks and keys that protect your private information as it travels through cyberspace. But could all these locks be broken?
35 min
103
Jumping the gun
At the 2022 World Athletics Championships, sprinter TyNia Gaither was disqualified for false starting ... after the gun went off.
30 min
104
An Alzheimer's uproar
This past July, a bombshell report in Science magazine suggested that a key Alzheimer’s study might have contained manipulated evidence.
34 min
105
Salamander search party
One of the world’s most biodiverse aquifers is full of strange, blind creatures that have evolved in isolation for millions of years. But one is missing.
24 min
106
What did dinosaurs sound like?
They probably didn’t roar like lions.
36 min
107
Can ovaries make new eggs?
There's an old story scientists tell about human ovaries: that they are ticking clocks that only lose eggs, never gain them.
26 min
108
Will the eel (slim, shady) please have sex?
Where eels come from is a surprisingly difficult question to answer, in large part because scientists have never actually seen them reproduce in the wild.
44 min
109
Yawn baby yawn
People yawn when they’re bored, right?
34 min
110
What’s the James Webb telescope searching for?
A lava planet, life on other worlds, the very first starlight in the universe — the most powerful space telescope ever built is ready to reveal many mysteries of the cosmos.
46 min
111
Vitamin X
Millions of Americans take dietary supplements — everything from vitamins and minerals to weight loss pills and probiotics.
31 min
112
Lost Worlds: What killed Venus?
Venus is the hottest, scariest place in the solar system, but billions of years ago it may have been a lot like Earth, complete with an ocean of water.
25 min
113
Lost Worlds: Life on Mars?
Mars was once a very different planet, with rivers, lakes, and — potentially — life.
27 min
114
Lost Worlds: Why do we have a moon?
In all our searching of the universe, we’ve never seen another moon like ours.
24 min
115
Lost Worlds: Aliens from Earth?
Was there a technologically advanced species living on Earth long before humans?
24 min
116
Dropping like flies
Insect populations are shrinking all over the world
24 min
117
Is telepathy real?
A groundbreaking study claims to have found a way for a fully paralyzed person to communicate entirely via thought. Today, Explained breaks down the science and asks: Is it too good to be true?
23 min
118
Why do we dream?
Dreams are weird, but can they be a scientific tool?
20 min
119
Should I take a DNA ancestry test?
What are the scientific, family, and privacy implications?
25 min
120
My octopus friend?
Octopuses are largely solitary animals, but there have been rare times — notably in the movie My Octopus Teacher — where they seem to have become comfortable around humans
22 min
121
Glow in the dark ocean
Most deep-water creatures are bioluminescent. Marine biologist Edie Widder has spent the last 40 years trying to figure out why.
28 min
122
When reality broke
In the 1920s, the scientist Werner Heisenberg came up with a wild idea that broke reality as Western science knew it.
23 min
123
Making Sense: The sixth sense
Why stop at five senses?
24 min
124
Making Sense: Sight unseen
Close your eyes and try to imagine an apple. Can you see anything?
22 min
125
Making Sense: The Umami Mama
For thousands of years, there have been four basic tastes recognized across cultures.
34 min