Let’s get started!

1. Register on Stall Catchers

2. Join a team in the Microsoft League

3. Catch stalls and log your time

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Log your volunteer time

About Stall Catchers

Stall Catchers is an online citizen science project accelerating Alzheimer's ​research at Cornell University. Volunteers search for clogged blood vessels ​through a virtual microscope, contributing to real-world science.

Stall Catchers has been covered by PBS, WashingtonPost, Wired, and Science Friday, and was featured in ​Microsoft's Annual Giving Campaign.

How does your time make a ​difference?

Direct data ​analysis:


One hour of participation ​equals 10-20 minutes of ​expert analysis of ​Alzheimer’s research data.

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Financial ​support:


One hour of matched ​volunteer time: or $25, ​enables a full day of ​laboratory-equivalent ​research.

Host a volunteering event

All you need to run an online Stall Catchers event is to pick an ​event duration that fits your schedule, and then invite your group.


Select an option below for details:

DIY Event

Self-lead meeting

Hosted Event

HCI-led meeting

(50 person minimum)

Or send us an inquiry...

Fun Fact:

For every hour you volunteer,

Microsoft's donation supports our

platforms for a full day.

Thank you!


Privacy Info: Stall Catchers does not collect Personally Identifiable Information, though email addresses ​used to register are stored in a secure database to enable future logins (see our Privacy Policy).