Explore Capsules

6 capsules

Amelia Earhart and the Nikumaroro Castaway Case

Amelia Earhart and the Nikumaroro Castaway Case

Contrary to the mainstream belief that Amelia Earhart disappeared over the ocean, the Nikumaroro island theory argues she and navigator Fred Noonan landed as castaways on this remote island. Evidence such as artifacts, possible radio signals, and bone analyses support this claim, suggesting a new perspective on her fate and encouraging further archaeological investigation.

Amelia Earhart · 67 stops · ~134 minFree
Roanoke's Lost Colony: Croatoan, Collapse, and Competing Evidence

Roanoke's Lost Colony: Croatoan, Collapse, and Competing Evidence

More than a hundred settlers vanished from Roanoke, leaving little but the word CROATOAN carved into a post. The theories here disagree on what it means: a move to Croatoan Island, absorption into Native communities, a slow collapse from war-delayed supplies, or evidence too thin to trust at all. Weigh the clues and pick the ending you find most convincing.

Roanoke · 81 stops · ~162 minFree
Self-Control: Evidence, Environment, and Habit Change

Self-Control: Evidence, Environment, and Habit Change

The idea that self-control drains like a battery shaped years of advice, and now it is under fire. These views range from failed replications of the depletion studies and sharper testing methods to the argument that culture and environment shape self-control far more than inner grit. You can decide how to actually strengthen your own discipline.

Willpower · 87 stops · ~174 minFree
Atlantis: Archaeology, Myth, and Plato's Allegory

Atlantis: Archaeology, Myth, and Plato's Allegory

Atlantis sits at the crossroads of archaeology, myth, and one philosopher's imagination. These theories run from hunts for a real sunken location and flood-myth echoes to the idea that Plato wrote a moral allegory, with skeptics testing each against the actual evidence. Following them lets you decide which Atlantis you find believable.

Atlantis · 62 stops · ~124 minFree
The D.B. Cooper Case: Evidence, Theories, and Survival Odds

The D.B. Cooper Case: Evidence, Theories, and Survival Odds

In 1971 a man hijacked a plane, collected a ransom, and leapt into the night sky, never to be seen again. These theories differ on whether he could have survived the jump, how much weight to give the fingerprints, DNA, and recovered ransom money, and why the investigation stalled on circumstantial evidence. Weigh them yourself and decide which ending to the story the clues actually support.

D.B. Cooper · 58 stops · ~116 minFree
Humanity's Path Beyond Extinction: How a Multiplanetary Species Gains Immortality

Humanity's Path Beyond Extinction: How a Multiplanetary Species Gains Immortality

Humanity’s deepest drive to escape death has evolved from saving individuals to preserving the entire species by expanding beyond Earth. The failure of Apollo was not a lack of vision but the prohibitive cost of disposable rockets, making repeated space travel impossible. Breakthroughs in reusable rockets, orbital refueling, and Mars propellant production now offer a viable path to sustainable colonization, making the first human settlement on Mars a historic turning point for life itself.

Mars colonization · 53 stops · ~106 minFree