Paula Johanson

Love Poetry

2014

Lithium

2009

Copper

2009

Biofuels

2010

Platinum

2009

Muscular dystrophy

2009

Lightning and Thunder

2019

Jobs in sustainable agriculture

2010

HIV and AIDS

2009

Frequently Asked Questions About Testicular Cancer

2009

Fish

2013

Earthquakes

2019

Cobalt

2009

Breast Cancer Prevention

2009

Will Hobbs

2009

What is energy?

2015

Truth Behind Factory Foods

2017

The Spanish-American War

2017