Skip to content

CALS Encyclopedia
of Arkansas

CALS Organizations

Central Arkansas Library System Encyclopedia of Arkansas Galleries & Bookstore at Library Square Roberts Library Six Bridges Book Festival Ron Robinson Theater Rock It! Lab

Browse

Go Back

Entries

All Entries Browse Entries By Category Browse Entries By County

Media

All Media Browse Media By Category Browse Media By County

Overview Entries

Arkansas Overview

Time Period Entries

Pre-European Exploration, Prehistory through 1540 European Exploration and Settlement, 1541 through 1802 Louisiana Purchase through Early Statehood, 1803 through 1860 Civil War through Reconstruction, 1861 through 1874

Post-Reconstruction through the Gilded Age, 1875 through 1900 Early Twentieth Century, 1901 through 1940 World War II through the Faubus Era, 1941 through 1967 Divergent Prosperity and the Arc of Reform, 1968–2022

What's New

What’s New

Get Involved

Teachers/Students

Go Back

Teachers/Students

AR History on the Web Lesson Plans Local Historical Associations Programs Offered

Activities

Student Activities

History Day

History Day 2024 History Day 2023 History Day 2022

Other Resources

Other Online Encyclopedias Other Resources

Blog What’s New Support The EOA En Español

About

Go Back

About

About the CALS Encyclopedia of Arkansas Mission and Goals Statement Editorial Policies

Volunteers Oversight & Editorial Boards Staff Helpful Tips

Donate Contact Search

Entries

Media

All results

Browse
Get Involved
Teachers/Students
Blog
What’s New
Support The EOA
En Español
About
- About
- About

Science and Technology

Subcategories:

Astronomy
Botany
Chemistry
Climatology
Engineering
Geology
Math and Computer Science
Microbiology
Mycology
Paleontology
Physics
Zoology

Clear

Media - Entry Category: Science and Technology

0-9
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z

White woman with glasses wearing gloves and white coat working in laboratory room

AAES Researcher

Chart indicating various life cycle changes of a worm

Acanthocephala Life Cycle

Super long white worm adjacent to a ruler

gravestones on green grass and sign saying "Akron Cemetery" and trees in background

butterfly with orange

Ammonite fossil examples with corresponding letters

Examples of worms with corresponding letters

Annelid Examples

Apicomplexan life cycle diagrams

Apicomplexan Cell Types

Hand drawn life cycle diagram with numbered stages

Apicomplexan Life Cycle

Apicomplexan anatomy diagram with numbered parts

Apicomplexan Morphology

Multicolored diagram with text and branches

Apicomplexan Species

Apicomplexans under magnification with corresponding letters

Apicomplexans under microscope with corresponding letters

Apicomplexans Examples

Close up small blooming flower with four buds fuzzy leaves held by grubby fingers

Apple Blossom, Official State Flower

Book cover for "Introduction to Applied Entomology" by "William J. Baerg" featuring a long-nosed beetle illustration.

Applied Entomology by William Baerg

Different types of bass fish with corresponding letters

Arkansas Ambloplites

Different types of Carp with labels for each

Arkansas Baitfish and the Silver Carp

Different kinds of bass with corresponding letters

Arkansas Basses

Round advertisement with text on wrinkled paper

Arkansas Black Apple Ad

large group of people posing with large telescope in front of multistory stone and brick building

Arkansas Conference College

Types of small fish with corresponding letters

Arkansas Cyprinids

Mineral samples with cardboard box

AGC Mineral Set

Metal bridge with obstructions to prevent car traffic and a picnic table on it

Arkansas Highway 57 Bridge

Metal bridge with obstructions

Arkansas Highway 57 Bridge

Metal bridge with obstructions

Arkansas Highway 57 Bridge

Long string of train cars on train tracks as seen from above

Arkansas Highway 57 Bridge View

Different types of sun fish with corresponding letters

Arkansas Sunfishes

Large radar dish on steel frame

Back section of large radar dish with steel frame

Single-story brick building with metal tank on concrete platform and telephone pole

Front of single-story brick building with glass wall divided into windows and glass double doors on steps

Types of tick with corresponding letters

Asian Longhorned Tick

Illustration of birds on a tree branch with moth

Audubon Illustration of Western Kingbird

White man in suit talking to bald white man with glasses in suit

Avian Flu Discussion

Baby birds in large nest

Yellow breasted birds on tree branch with white flower on it

Bachman's Warbler

Black butterfly with white spots on flower

Baltimore Checkerspot

A striped fish on a black background

Banded Pygmy Sunfish

Steel truss bridge under construction over river with town buildings in the background

Baring Cross Bridge

Steel railroad bridge across a river

Baring Cross Bridge

Steel arch bridge being built over a river with train cars on tracks in the foreground

Baring Cross Bridge

White man in suit and tie

Small purple and orange lizard on grass and small lizard in white man's hand

Batrachochytrium salamandrivorans

Eight rocks with various sized discolored dot impressions photographed on dark fabric

Bauxite, Official State Rock

wooden bridge with yellow trusses over a body of water

distant elevated view of dam holding back water and the dry spillway and embankment

Beaver Dam and Lake

two beaver lodges amid cypress trees in lake in front of pine covered hillside

Beaver Lodges at Columbia Lake

Different views of a bedbug

Types of beetle with corresponding letters

Highway bridge and river with river bank in foreground

Black River Bridge

Posts navigation

1 2 … 8 Next

About
Blog
Contact Us
Get Involved
Subscribe to Newsletter
Support The EOA

Our Sponsors

Major support provided through a partnership with the Arkansas Department of Parks & Tourism.

Major funding provided by the Winthrop Rockefeller Foundation.

Special thanks to the Department of Arkansas Heritage.

Additional support provided by the Arkansas Humanities Council.

Additional support provided by the Arkansas General Assembly.

Additional support provided by the Arkansas Community Foundation.

Additional support provided by the Charles M. and Joan R. Taylor Foundation Inc.

This project is funded in part by a National Endowment for the Humanities (NEH) Sustaining the Humanities through the American Rescue Plan grant award.

100 Rock Street Little Rock, AR 72201

editor@cals.org

© 2023 Encyclopedia of Arkansas. All Rights Reserved.

Donate

501-918-3025
calsfoundation@cals.org

Ways To Give
Donate Now
Recurring Giving

TRIBUTE GIVING

Honor or memorial gifts are an everlasting way to pay tribute to someone who has touched your life. Give a donation in someone’s name to mark a special occasion, honor a friend or colleague or remember a beloved family member. When a tribute gift is given the honoree will receive a letter acknowledging your generosity and a bookplate will be placed in a book. For more information, contact 501-918-3025 or calsfoundation@cals.org.

The CALS Foundation is a 501(c)(3) organization. Donations made to the CALS Foundation are tax-deductible for United States federal income tax purposes. Read our Privacy Policy.

Contact Encyclopedia of Arkansas

CONTACT FORM

[contact-form-7 id="1017"]

ADDRESS

Encyclopedia of Arkansas
100 Rock Street
Little Rock, AR. 72201

PHONE NUMBER

EMAIL

editor@cals.org

CALS Catalog Login

Login / Signup Get a Card

Login to the CALS catalog!

The first time you log in to our catalog you will need to create an account. Creating an account gives you access to all these features.

Track your borrowing.
Rate and review titles you borrow and share your opinions on them.
Get personalized recommendations.

CALS Digital Services

View All Services

Get an E-Book

Download Music

Listen to an Audiobook

Watch a Story

Download a Magazine

Website and Events Catalog