# Dave Mulder
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Dave W. Mulder (born February 17, 1939) is an American politician and educator who served as a member of the Iowa Senate for the 2nd District from 2005 to 2008.
== Early life and education ==
Mulder was born in Alton, Iowa. He received his B.S. from Morningside College and his M.A. and Ed.D. from the University of South Dakota.
Episode 04-02 - Fortress Mode: Your Skin & First Line Defenses
In this episode, we explore "Fortress Mode" to discover how the body’s physical and chemical barriers—including skin, mucus, stomach acid, and even earwax—act as a protective castle wall that stops germs before they can ever get inside.
This episode is part of a series all about your amazing imm...
Episode 04-01 - Meet Your Body's Defense Squad: What Is Immunity?
In this episode, Dr. Dave introduces the immune system as a coordinated superhero team living inside you, explaining the fundamental differences between the rapid-response "innate" system you are born with and the highly specialized "adaptive" system that learns to recognize and remember specific...
Episode 05-07 - “Sedimental Value”: How Earth’s Geology Supports Life—and How Life Shapes Earth
Earth’s geology and life are deeply connected—rocks help create soil, soil supports life, and living things reshape the land. This episode brings the series together by showing Earth as an interconnected system and exploring our role in caring for it.
This episode is part of a rock-solid seas...
Episode 05-06 - “Breaking Up Is Hard to Do”: How Weathering Breaks Rock into Smaller Pieces
Earth’s surface is shaped by everyday forces like water, wind, ice, plants, and gravity. This episode focuses on how rocks are broken down and moved, creating familiar landforms all around us.
This episode is part of a rock-solid season of It’s Good to Be Smart!—where terrible puns meet serio...
Episode 05-05 - “Don’t Take It for Granite”: How Rocks Form, Change, and Cycle Through Earth
Rocks may look boring, but they’re constantly forming, changing, and recycling. This episode shows how the three rock types are connected through an ongoing cycle of change.
This episode is part of a rock-solid season of It’s Good to Be Smart!—where terrible puns meet seriously important scie...
Episode 05-04 - “Pressure Makes Perfect”: What Causes Volcanoes to Explode—or Ooze
Volcanoes are Earth’s pressure valves, releasing heat and material from deep below the surface. This episode explains why some volcanoes erupt explosively while others quietly spill lava.
This episode is part of a rock-solid season of It’s Good to Be Smart!—where terrible puns meet seriously ...
Episode 05-03 - “Faulty Behavior”: Why Earthquakes Happen and How Scientists Study Them
Earthquakes happen when stress builds up and suddenly snaps along faults in Earth’s crust. This episode unpacks why earthquakes happen where they do and how scientists measure and study them.
This episode is part of a rock-solid season of It’s Good to Be Smart!—where terrible puns meet seriou...
Episode 05-02 - “Plate Expectations”: How Tectonic Plates Move and Reshape Earth’s Surface
The continents don’t sit still—they ride on massive plates that slowly move, collide, and pull apart. This episode explains plate tectonics and why moving plates explain so many of Earth’s biggest features.
This episode is part of a rock-solid season of It’s Good to Be Smart!—where terrible ...
Episode 05-01 - “Crust Issues”: How Earth’s Layers Work Together to Shape the Planet
Earth isn’t a solid ball—it’s made of distinct layers that behave differently and work together to shape everything we see on the surface. This episode explores what’s inside Earth and how scientists know without ever digging that deep.
This episode is part of a rock-solid season of It’s Good...
Restoring a Christian Vision of Work
In episode 75 of the In All Things podcast, Dr. Dave Mulder and Dale Zevenbergen interview Jordan Raynor, bestselling author and leading voice in the faith and work movement, to explore a renewed vision of work as participation in the unfolding goodness and restoration of creation.
Raynor will a...
