Capsule
DonateLog inCreate account
Menu

Navigation

  • Main page
  • Capsules
  • Learning
  • Mapping
  • Rankings
  • Organizations
  • Create
  • Forums
  • Research

Interaction

  • Messages
  • Verify
  • Help
  • About Capsule

Display

Appearance

Environment

EnvironmentsDefault
Capsule
Log in

Navigation

  • Main page
  • Capsules
  • Learning
  • Mapping
  • Rankings
  • Organizations
  • Create
  • Forums
  • Research

Interaction

  • Messages
  • Verify
  • Feedback
  • Help
  • About Capsule

Truth Classification

  • Fact
  • Theory
  • Hypothesis
  • Proven
  • Contested
  • Debunked
How classification works

Capsule of the Day

DebunkedThe PolygraphThe instrument popularly called a lie detector, which records breathing, blood pressure, pulse and skin conductance dur…

New in the Library

  • FactTardigrade
  • FactMonarch Butterfly
  • FactSpider

Capsule

© 2026 Solis Holdings Group Inc. All rights reserved.

Built by Solis Dev, a technology studio operating under Solis Holdings Group Inc.

  • Policy
  • Terms of Use
  • Methodology
  • Corrections
  • Non-partisanship
  • Transparency
  • Developers
  • About
  • Discord
  • Sitemap

Capsule, the capsule-pill mark, and the clock logo are trademarks of Solis Holdings Group Inc. All content, source code, and design assets are the exclusive property of Solis Holdings Group Inc., unless otherwise noted. Unauthorized reproduction is prohibited.

The library

Capsules

1,028 capsules, each one classified by the strength of its evidence.

All1,028Fact599Proven130Theory89Hypothesis71Contested90Debunked48
geography236biology88physics67history54medicine45astronomy33psychology26mathematics26chemistry20engineering20astrophysics19neuroscience19anthropology18art18
Filtered byFacteducationClear all

Results

Showing 1 to 6 of 6

NewestMost votedA to Z
education
Fact

Libraries

Organised collections of recorded knowledge, held for use. Libraries are older than most of the writing systems that survive, their defining problem…

byCapsule
0 votes0 reviews
education
Fact

Examinations

Formal tests used to assess knowledge or ability, generally to certify attainment or to select. They are far older than modern schooling, they…

byCapsule0 votes0 reviews
linguistics
Fact

Grammar

The system of rules governing how words combine into phrases and sentences in a language. Every language has one, every speaker knows it without…

byCapsule0 votes0 reviews
education
Fact

The University

An institution of higher education and research, granting degrees. The form originated in medieval Europe, has proved unusually durable, and combines…

byCapsule0 votes0 reviews
education
Fact

Numeracy

The ability to understand and work with numbers in practical situations. It is distinct from mathematical education, it is measured internationally,…

byCapsule0 votes0 reviews
education
Fact

Literacy

The ability to read and write. It is a comparatively recent condition for most of humanity, it was achieved unevenly and rapidly, and it changes the…

byCapsule0 votes0 reviews