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Penn Labs Freezer Challenge

The Penn Labs Freezer Challenge is designed to promote best practices in cold storage management. The Freezer Challenge covers all forms of cold storage, including refrigerators, freezers, and cold rooms. Labs participating in the challenge are asked to submit an online score sheet. Sign-ups are accepted on a rolling basis through April each year. The challenge officially starts January 1, of each year and wraps up on Mid-April each year. First, second, and third place winners are awarded prizes at the celebratory end-of-challenge party where drinks and snacks will be served!

We also encourage you to enter the International Freezer Challenge. Awards for the international challenge includes financial incentives, a stipend to attend the I2SL conference ( and recognition in the journal Nature.

Applications are currently closed. Please check back at this page to sign up for next year's challenge.

Please email if you have additional questions or comments.

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Penn Labs