Jordan Hammond

Jordan Hammond

Founder of Dorothy

More by this author

The Fascinating World of Collective Nouns for Animals

From a crash of rhinos. to a prickle of hedgehogs, to a pandemonium of parrots, these names for groups of animals are a hoot.

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Master the Art of Memorizing Polyatomic Ions

Once you’re done reading this, you’ll have a foundation that’ll make it easy to memorize polyatomic ions (plus a nifty new tool that’ll help you quiz yourself).

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The Best Bird Identification Quiz for All Levels 

Whether you’re a nature enthusiast who can ID a bird song from a quarter-mile away, or you need a new hobby and landed on birding, this quiz is for you.

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The Best (& Most Practical) Ways to Memorize Presidents

Memorizing presidents isn’t exactly a walk in the park. The United States has a lengthy list of leaders who have shaped its history, and a lot of those names have a sort of unremarkableness to them (John, Adam, Bill, George, Thomas).

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How to Memorize Pi (up to 100 Decimals): Methods, Practice Tips & More 

The most intuitive way to memorize pi is with “chunking,” which involves breaking the number down into groups—but it’s not the only way.

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Memorizing Amino Acids: Tips, Tricks, Mnemonics & More

Memorize amino acid abbreviations, properties and more with these tips, tricks and study aids.

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Morse Code Alphabet Quiz: Practice, Test, Repeat

Practice encoding and decoding Morse code, and then quiz yourself to test your progress.

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How to Create a Memory Palace

Have you ever wondered how to improve your memory retention? With so much information coming our way every day, it’s easy to forget the important stuff, like phone numbers, passwords, or what you learned in class last week.

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Why is it named “Dorothy”?

About 7–8 years ago, I had multiple grandparents experiencing brain degeneration. One of them was my great-grandmother, Grandmama.

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How I use Dorothy

I thought it might be interesting for people to see how I use Dorothy. What am I personally trying to keep memorized?

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