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FactSurgeryTreatment by physical intervention in the body. Surgery was limited for millennia not by knowledge of anatomy but by th…

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The library

Capsules

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

All1,028Fact599Proven130Theory89Hypothesis71Contested90Debunked48
geography236biology88physics67history54medicine45astronomy33psychology26mathematics26chemistry20engineering20astrophysics19neuroscience19anthropology18art18
Filtered byFactmolecular-biologyClear all

Results

Showing 1 to 6 of 6

NewestMost votedA to Z
Fact

Gene Regulation

The control of which genes are expressed, when, and how strongly. Every cell in an organism carries the same genome, so what distinguishes a neuron…

byCapsule
0 votes0 reviews
Aug 5, 2026
Fact

Cell Membranes

The boundary enclosing every cell, formed from a double layer of lipid molecules with proteins embedded in it. It defines what is inside the cell,…

byCapsule0 votes0 reviewsAug 5, 2026
Fact

The Ribosome

The molecular machine that reads genetic messages and builds proteins from them. It is present in every living cell, it is largely made of RNA rather…

byCapsule0 votes0 reviewsAug 5, 2026
Fact

RNA

Ribonucleic acid, a molecule closely related to DNA that carries genetic messages, performs chemical work, and regulates which genes are used. It was…

byCapsule0 votes0 reviewsAug 5, 2026
Fact

CRISPR-Cas9 Gene Editing: Mechanism and Applications

CRISPR-Cas9 is a programmable nuclease that uses a guide RNA to direct the Cas9 enzyme to a specific genomic sequence, where it introduces a precise…

byCapsule0 votes0 reviewsMay 7, 2026
Fact

DNA (Deoxyribonucleic Acid)

Deoxyribonucleic acid (DNA) is the molecule that carries the genetic instructions used in the growth, development, functioning, and reproduction of…

byCapsule0 votes0 reviewsMar 14, 2026