Andrew Ryder-Biology Tutor

04/01/2026

Medical mystery- The second attack was stealthy and insidious

This video is not and cannot be considered medical advice. It is intended for educational and entertainment purposes alone. Decisions about healthcare can on...

03/20/2026

https://youtu.be/daN4zLKsmZw?si=jf9GP2I7ttIWlapW

This video is for informative and entertainment purposes alone. Nothing in this video should be or can be taken as medical advice. Medical decisions can only...

03/13/2026

Sun pops up on Nyack

03/11/2026

https://youtu.be/l5rDuA5ERrw?si=7GPy3hcyGO7kaq_u

This video describes the cases of two individuals. Though their presentation could not have been more dissimilar, they had the same disease. One had a clear ...

03/03/2026

https://youtu.be/QzTKLAaSXx8?si=4mEiwUFBqt73VKKN

This video describes a tragic medical mystery, and the biology behind it. A young boy had the day of his life at the lake, but days later he would develop a ...

01/25/2026

Yes, it’s that time!! Message me for tutoring.

01/22/2026

I was just working with a student on balancing chemical equations- shouldn’t these be part of the New York Times puzzle package?!?! They’re so much more fun than Wordle!!

01/22/2026

I was just working with a student on balancing chemical equations- shouldn’t these be part of the New York Times puzzle package. They’re so much more fun than Wordle!!

01/05/2026

Sickle Cell Disease is a serious genetic condition that causes occasional bouts of severe pain called crises. For those of us who do not have the disease we ...

01/04/2026

12/23/2025

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The BioGuy post entertaining and educational videos about biology and medicine.