Science lesson — Dr. Joe Mazza works in his Summerland laboratory on a prototype of the process he has developed to extract valuable chemicals from plant materials, using pressurized water instead of solvents. MP Dan Albas was at the Mazza Innovation Ltd. facilities this week to announce a federal government investment of $175,000 in the project, which also recently received a $20,000 award from the BCIC New Ventures competition.