It's easy to subscribe to "Progressive Science", our quarterly newsletter, join SPAK - the Society for Pure and Applied Knowledge. Your tax-deductible donation will help ensure that the important research we conduct and support gets done with integrity and honor.

To join SPAK, simply select a Contribution Level.  A minimum of 75% of your tax-deductible donation will go directly to support research activities - the rest will go to operational fees and fundraising.