Wolfram Research

National Science Foundation Grants - 2015

Data on National Science Foundation grants and associated investigators and institutions awarded in the year 2015

Theorem Network from Euclid's Elements

A graph of the theorems from Euclid's Elements and their logical dependencies

Repetition Periods for Elementary Cellular Automata

A collection of rules and their repetition periods as a function of size

Sample Data: Scottish Hill Races

Record times in Scottish hill races

Full Text of A New Kind of Science

The full text of Stephen Wolfram’s A New Kind of Science

Cover Image from A New Kind of Science

The cellular automaton evolution shown on the cover of Stephen Wolfram’s A New Kind of Science

People Mentioned in Stephen Wolfram’s “A New Kind of Science”

Listing of all people mentioned in historical and other notes in “A New Kind of Science”

Entity Store of People Mentioned in Stephen Wolfram's A New Kind of Science

An entity store of all people mentioned in historical and other notes in “A New Kind of Science”

Books in Stephen Wolfram's Library

Books in Stephen Wolfram’s library that were used during the creation of A New Kind of Science (Wolfram, 2002).

Entity Store of Books in Stephen Wolfram's Library

An entity store of books in Stephen Wolfram’s library that were used during in the creation of A New Kind of Science (Wolfram, 2002).

Orbits of a Planet in a Binary Star System

A collection of orbits for an idealized planet in a binary star system

Minimal Inequivalent Square Tilings

A dataset of images and constraints for the minimal inequivalent square tilings, along with the allowed tiles that generate the tiling

Persistent Structures in the Code 357 Cellular Automaton

A collection of the persistent structures in the k=3, r=1 totalistic code 357 cellular automaton

Persistent Structures in the Code 20 Cellular Automaton

The known persistent structures in the k=2, r=2 totalistic code 20 cellular automaton

Persistent Structures in the Code 1329 Cellular Automaton

A collection of the persistent structures in the k=3, r=1 totalistic code 1329 cellular automaton

Block Simulation Network of Elementary Cellular Automata

A network showing how one elementary cellular automaton can emulate another if its states contain only particular blocks

Solutions to Examples of Post’s Correspondence Problem

A dataset of instances and solutions (if they exist) for Post’s correspondence problem

A Million Bits of the Center Column of the Rule 30 Cellular Automaton

The center column of the rule 30 cellular automaton over a million steps of evolution

Persistent Structures in Rule 110

The known families of persistent structures in the Rule 110 elementary cellular automaton

Worldwide Complexity Institutes

Dataset of known complexity institutes worldwide

Three-Color Cellular Automaton Rules that Double Their Input

A list of rules for k=3 cellular automata that eventually double a block of gray input cells

Global Landslide Catalog

The Global Landslide Catalog considers all types of mass movements triggered by rainfall, which have been reported in the media, disaster databases, scientific reports, or other sources.

Irish-Viking Networks in 'Cogadh Gaedhel re Gallaibh'

Graph datasets for Irish and Viking character relationships in the medieval Irish text 'Cogadh Gaedhel re Gallaibh' ('The War of the Gaedhil with the Gaill')

Little Fuzzy

Plaintext for H. Beam Piper's "Little Fuzzy"

Thuvia, Maid of Mars

Plaintext for Edgar Rice Burroughs' "Thuvia, Maid of Mars"

US Hurricane Losses

U.S. losses due to hurricanes in millions of U.S. Dollars

Dr. Jekyll and Mr. Hyde

Plaintext for Robert Louis Stevenson's "Dr. Jekyll and Mr. Hyde"

Twenty Thousand Leagues Under the Seas

Plaintext for Jules Verne's "Twenty Thousand Leagues Under the Sea"

A Voyage to Arcturus

Plaintext for David Lindsay's "A Voyage to Arcturus"

The Invisible Man

Plaintext for H. G. Wells' "The Invisible Man"

The Time Machine

Plaintext for H. G. Wells' "The Time Machine"

Master of the World

Plaintext for Jules Verne's "Master of the World"

Beyond Lies the Wub

Plaintext for Philip K. Dick's "Beyond Lies the Wub"

Sample Data: Scientific Discoveries

Number of great scientific discoveries of each year


Plaintext for Ayn Rand's "Anthem"

Sample Data: Pacific Walrus Haulouts

Congregations of Pacific walruses off the coast of U.S. and Russia, 1852-2016

Spacecraft Materials Outgassing Data

Data was obtained at the Goddard Space Flight Center (GSFC), utilizing equipment developed at Stanford Research Institute (SRI) under contract to the Jet Propulsion Laboratory (JPL).

Sample Data: Buffalo Snow

Snow accumulations in Buffalo

Orbital Variations and Insolation Database

Dataset of insolation values at different latitudes from 5000000 cal yr BP (-4998050 CE) to 0 cal yr BP (1950 CE)

Fireballs and Bolides

Data on several of the brightest fireballs and bolides that were detected from 2009-2015 by U.S. Government sensors

Sea Level and Temperatures Over the Last 40 Million Years

Dataset of eustatic sea level and temperatures over the last 40 million years

Near-Earth Comets

J2000 heliocentric ecliptic orbital elements of 160 Near-Earth Comets

Stack Overflow Survey 2016

Results from Stack Overflow's 2016 Developer Survey

Sample Data: US City Temperature

Average monthly temperatures in degrees Fahrenheit, from January 1964 to December 1973 in 3 different US cities

Kepler-11 Light Curve Data

Light curve data for planetary system Kepler-11

Sample Data: Stackloss Plant

Brownlee's stack loss plant data.

Solid Waste Landfill Facilities

Oak Ridge National Laboratory is the largest US Department of Energy science and energy laboratory, conducting basic and applied research to deliver transformative solutions to compelling problems in energy and security.

On the Origin of Species

On the Origin of Species By Means of Natural Selection, or, the Preservation of Favoured Races in the Struggle for Life, by Charles Darwin

Timeline of Systematic Data & Computable Knowledge

Dataset of nearly 200 notable events in the history of computable knowledge

Sample Data: Satellite

Classify the type of land surface of a scene photographed by the Landsat MSS satellite given four digital images of the scene taken in different spectral bands

Australian Rules Football - 2018 Final Team Rankings

This dataset consists of the final team standing within the Australian Rules Football league for the 2018 season

Proof of Wolfram's Axiom for Boolean Algebra

Steps in an automated proof of the correctness of Wolfram’s Axiom

Power Density in Biological and Astronomical Systems

Power density in various systems in the universe for a comparison of their thermodynamics efficiency

Prussian Horse Kick Data

Number of soldiers in the Prussian cavalry killed by horse kicks

Darwin's Plant Experiments

Curated data from Darwin's plant experiments and related text

Nematode Pharynx Graph

Connectome of anterior section of hermaphrodite Caenorhabditis elegans pharynx

Amniote Life History EntityStore

EntityStore of life history data for birds, mammals, and reptiles

Transcriptional Regulation Network of Escherichia coli

Dataset of the transcriptional regulation network of Escherichia coli

GMM-3 Mars Gravity Map

Goddard Mars Model 3 map of the gravity field of Mars

Rat Brain Graph 1

Rattus norvegicus brain network graph

Amniote Life History Database

Life-history database for a wide variety of amniotes

Mammals in MZNA-VERT

Data on small mammals obtained from the analysis of barn owl pellets

Paleoclimate Data Records Derived from the Vostok Ice Core

Datasets of CO2 concentration and temperature historical records derived from the air and isotopes trapped in the ice core

Rhesus Cerebral Cortex Graph 1

Connectome of rhesus macaque cerebral cortex

US Coal Fields

This dataset represents coal fields in Alaska and the conterminous United States.

Sample Data: US Earthquakes

Earthquakes in the U.S. from July 28th, 1789 to March 24th, 2010

C-BARQ Survey

The C-BARQ (or Canine Behavioral Assessment and Research Questionnaire) is designed to provide dog owners and professionals with standardized evaluations of canine temperament and behavior

Sample Data: Ozone Concentrations

Daily maximum ozone concentrations at Stamford, Connecticut and Yonkers, New York, during the period May 1, 1974 to September 30, 1974, recorded in parts per billion (ppb).

Sample Data: Rainfall Seeding

Rainfall in acre-feet from 52 clouds, of which 26 were chosen randomly and seeded with silver oxide.

Meteorite Landings

This comprehensive data set from The Meteoritical Society contains information on all of the known meteorite landings.


Data on plant response to mycorrhizal fungi

GDB-9 Database

Thermochemical properties for 133885 small organic molecules with up to nine atoms, not counting hydrogen

Bortle scale

Numeric scale that measures the night sky's brightness


virtual exploratory heterocyclic library

NASA GISTEMP Global Means dTs

Global-mean monthly, seasonal, and annual temperatures from dTs since 1880.


Global-mean monthly, seasonal, and annual temperatures since 1880.

Sample Data: Chicken Weight

Biometrika is primarily a journal of statistics in which emphasis is placed on papers containing original theoretical contributions of direct or potential value in applications.

Sample Data: Beaver Body Temperatures

Body temperature series for a female beaver

Pitt Quantum Repository

The Pitt Quantum Repository is a database and website of molecular quantum calculations, including visualization

Sample Data: Earthquake Waiting Times

The time in days between serious (magnitude at least 7.5 or over 1000 fatalities) earthquakes worldwide, from 12/16/1902 to 3/4/1977

Sample Data: Mercury Vapor Pressure

Relation of mercury vapor pressure vs temperature.

Sample Data: Gilgai Soil

Line transect of soil in Gilgai territory.

D'Arcy Thompson Zoology Museum 3D Anatomical Models

Models from the museum at the University of Dundee, Scotland

Sample Data: Crab Measures

Five morphological measurements of two varieties of both sexes of crab species Leptograpsus variegatus from Fremantle, W. Australia.

Dust Frequency by WMO Station

Average annual and monthly number of days with dusty weather for Iran, Jordan, and Saudi Arabia

Thunder Frequency by WMO Station

Average annual and monthly number of days with thunder

Top Oil Fields 2001

Top producing oil fields in 2001

Overcast Frequency by WMO Station

Average annual and monthly number of days without sunshine

Rain Frequency by WMO Station

Average annual and monthly number of days with rain for 28 nations

Sample Data: Animal Weights

Brain and body weights for 28 animal species

Snowfall Frequency by WMO Station

Average annual and monthly number of days with snowfall for 9 nations

Sample Data: Abalone Measurements

Predict the age of abalone from physical measurements

Sample Data: Gene Sequences

Splice-junction Gene Sequences for Primate DNA

Sample Data: Fisher's Irises

Fisher's iris data

Arecibo Telescope 1974 Transmitted SETI Message

A sequence intended for communication with extraterrestrial intelligence, transmitted in 1974 from the Arecibo radio telescope

Wind Speed Measurements

Average daily wind speed at 12 meteorological stations in the Republic of Ireland 1961-1978

Clinical Concepts from Massive Sources of Medical Data

A dataset of medical concepts

Sample Data: UCI Letter

Letter recognition dataset

United States Supreme Court Decisions 1946-present

Datasets relating to Supreme Court cases from 1946 to present

Gridded World Population Density

UN-adjusted gridded world population density for the years 2000, 2005, 2010, and 2015