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Capsule of the Day

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

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The library

Capsules

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

All1,028Fact599Proven130Theory89Hypothesis71Contested90Debunked48
geography236biology88physics67history54medicine45astronomy33psychology26mathematics26chemistry20engineering20astrophysics19neuroscience19anthropology18art18
Filtered byProvenbiologyClear all

Results

Showing 21 to 31 of 31

NewestMost votedA to Z
paleontology
Proven

Transitional Fossils

A transitional fossil shows a mixture of features from an ancestral group and a descendant one. Their absence was Darwin's own stated difficulty with…

byCapsule
0 votes0 reviews
immunology
Proven· Replicated

Immunological Memory

Immunological memory is the reason surviving a disease usually protects against getting it again, and the reason vaccination works at all. It is…

byCapsule0 votes0 reviews
genetics
Proven· Replicated

CRISPR Gene Editing

CRISPR is a method for cutting DNA at a chosen location, which makes editing a genome a routine laboratory procedure rather than a specialist feat.…

byCapsule0 votes0 reviews
medicine
Proven· Replicated

Antibiotic Resistance

Antibiotic resistance is the ability of bacteria to survive the drugs designed to kill them. It is one of the most direct and observable examples of…

byCapsule0 votes0 reviews
medicine
Proven· Clinical

mRNA Vaccines

mRNA vaccines are a new type of vaccine that teaches the body to fight a disease by delivering genetic instructions rather than a weakened or…

byCapsule0 votes0 reviews
biology
Proven· Replicated

DNA Fingerprinting

DNA fingerprinting, also called DNA profiling, is a technique that identifies individuals by the unique patterns in their genetic material. Since its…

byCapsule0 votes0 reviews
medicine
Proven· Clinical

Human Blood Types

Human blood comes in different types, determined by molecules on the surface of red blood cells. The discovery of blood types made safe blood…

byCapsule0 votes0 reviews
medicine
Proven· Replicated

The Circulation of Blood

The circulation of blood is the continuous movement of blood around the body, pumped by the heart through a network of vessels. This understanding,…

byCapsule0 votes0 reviews
biology
Proven· Replicated

Photosynthesis

Photosynthesis is the process by which plants, algae, and certain bacteria capture the energy of sunlight and use it to turn carbon dioxide and water…

byCapsule0 votes0 reviews
medicine
Proven· Clinical

Pasteurization

Pasteurization is the process of heating a food or drink to a specific temperature for a set length of time in order to kill harmful microorganisms…

byCapsule0 votes0 reviews
medicine
Proven· Clinical

Penicillin

Penicillin was the first true antibiotic, a medicine that kills bacteria and cures infections that had once been routinely fatal. Its discovery and…

byCapsule0 votes0 reviews
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