Tools for careful work and curious minds.

Tony Crayfish Genetics Primer

Discover genetics by changing the experiment. Twelve interactive laboratories explore Mendelian inheritance, exceptions to Mendel, genetic mapping, epistasis, quantitative and population genetics, inbreeding, GWAS, polygenic scores, coalescence, effective population size and LD blocks.

Follow a step-by-step animated tour, observe illustrated phenotypes, reveal Punnett squares and explore published human-variation data. A searchable glossary explains 168 terms, abbreviations and scientific symbols.

Version 1.0 · For Mac, iPhone and iPad · Preparing for App Store release

Biological Order for Free

Explore how complex form, pattern and behavior can emerge from simple local processes. Twelve interactive laboratories and a sixteen-chapter animated tour illustrate Turing patterns, spiral growth, self-assembly, cell sorting, chemotaxis, biological condensates, lipid membranes, networks and canalization.

For Mac, iPhone and iPad · Preparing for App Store release

Tony Crayfish Biology Hangman

Test your biology vocabulary with a lively hangman game featuring 1,000 terms, helpful clues, and categories ranging from genetics and cell biology to anatomy and physiotherapy.

For iPhone

Tony Crayfish Mosaic

Arrange photographs in a collage, adjust the canvas and crops, save an editable project, and export an image for print or sharing.

For macOS, iPhone and iPad

Tony Crayfish Worm Measurer

Measure worms in microscopy images, review proposed traces, calibrate image scale, and export measurements.

For macOS

Tony Crayfish Image Blinder

Randomize scientific image filenames and create an Excel key to recover their original identities. Choose original format copies or TIFF conversion.

For macOS