Category:Science

Check Category:Glossary for links to topic-specific dictionaries.

Agriculture and Field Dressing and such

Look, the moose hide article kind of broke the taxonomy.

• Average size and number of farms in 1900
• Killing, Plucking, Eviscerating, & Cutting Up Your Chicken - Graphic! NOT KIDDING ABOUT THE GRAPHIC, FOLKS
• Moose Hide Tanning

Astronomy

Category: Astronomy

Biology

• Top Biologists

Botany

• Trees
• Root(Wikipedia)
• Timeline of Plant Evolution (Wikipedia)
• Invasive Plant Fact Sheets by the Pennsylvania Department of Conservation & Natural Resources
• How plants communicate with each other when in danger by Kasha Patel at The Washington Post
• How big can aloe vera plants get?

Vegetable gardening

• Eagle Ridge Seeds

Carnivorous plants

• When a Houseplant Obsession Becomes a Nightmare by Brian Howey on Wired

Bugs

• How to Build a New Style Spotted Lanternfly Circle Trap by Penn State Extension

Mycology

• Mycorrhiza on Wikipedia A mycorrhiza (from Greek μύκης mýkēs, "fungus", and ῥίζα rhiza, "root"; pl. mycorrhizae, mycorrhiza or mycorrhizas) is a symbiotic association between a fungus and a plant.
• Soil-Dwelling Fungus Rode Joplin Tornado to Unexpected Human Home by Jennifer Frazer on Scientific American

Zoology

• Category: Birds
• Category: Cephalopods
• Category: Sharks
• Category: Mammals
• Category: Reptiles
• Category: Invertebrates
• The Laser Battle Against Blood-Sucking Parasites of the Deep on Wired

Humans

• Category: Aging
• Category: Behavior
• Category: Medicine
• First Complete Sequence of a Human Genome at the National Institutes of Health (NIH)

Computer Science and Software Engineering

• The "Levels" of Self-Driving Explained

Demography

• Population of Pennsylvania

Earth Science

• National Oceanic and Atmospheric Administration (NOAA)
• The Atmosphere of the Earth on Wikipedia
• Category:Climate Change
• Category:Weather

Air Quality

• The 8 Best Air Purifiers of 2023 by Tim Heffernan at Wirecutter. This story not only reviews a whole bunch of good and bad air purifiers, it also gives an explanation of how HEPA filters work, and a very detailed look at how they ran the tests.

Engineering

Structural Engineering

• How Tunnels Work
• How long should building a house take?

Geology

Caves and Caving

• Avoiding caving accidents

Earthquakes

• Chart of earthquakes occurring in or affecting Pennsylvania
• Latest Earthquakes by the USGS (map)
• Seismographs:
  • Columbia University

Cascadia Subduction Zone

• the Great Quake and the Great Drowning tells the story of Native Americans telling the story of the last major Cascadia Subduction Zone quake (and probably ones even older than that).

Impact Craters

• The Chesapeake Bay impact crater and the related boundary image
• Impact Craters Google Image Search
• Understanding the Impact Cratering Process: a Simple Approach

Rocks

• Bluestone
• Breccia: a rock composed of broken fragments of minerals or rock cemented together by a fine-grained matrix[1] that can be similar to or different from the composition of the fragments. May be formed by an impact.
• Granite: a common type of felsic intrusive igneous rock that is granular and phaneritic in texture. Used for countertops, among other things. Popular in Minecraft.

Pennsylvania

• Geologic Publications and Data
• Pennsylvania Bluestone image search on Google
• Ringing Rocks of Montgomery County, Pennsylvania (PDF)
• Rocks and Minerals of Pennsylvania (PDF)

Virginia

• Virginia Minerals (PDF)
• Virginia mineral interactive map - from the Department of Mines, Minerals, and Energy.
• Virginia Minerals Rock Garden - from the Department of Mines, Minerals, and Energy.

Volcanos

• Six types of eruptions on Encyclopedia Britannica.
• Eruption at Indonesian volcano Krakatoa 11 April 2020.
• Reliable webcams of Indonesian volcanos
• Anak Krakatau: Lightning frenzy points to scale of volcanic plume from February 2020.

Linguistics

• Linguistics on Wikipedia
• Category:Grammar
• A tour of the British isles in accents
• The surprising origin of the term 'you guys' by Allan Metcalf at Time

Meta studies of science

(science of studying science practice)

• Registering Studies Reduces Positive Outcomes by Steven Novella on NeuroLogica Blog. In other words, registering with the scientific community that you're going to run a study reduces positive outcomes because you're not as likely to pitch the results into a drawer if they don't come out the way you expected.

Metallurgy

• Metals - Melting Temperatures

Copper can kill superbugs

Physics

Conservation of Momentum

Thermodynamics

• Phlogiston theory

Speed of Light

Grace Hopper explains how long a nanosecond of information traveling at the speed of light is.