Ever wonder why males and females of the same species can sometimes look radically different from each other? It's all thanks to a condition known as sexual dimorphism, which is generally triggered by ...

Regina Bailey is a science writer, educator, and board-certified registered nurse. Her work has been featured in "Kaplan AP Biology" and "The Internet for Cellular and Molecular Biologists." Carbon is ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Leaves are the food factories of the tree. Powered by sunlight, the green ...

Starre Vartan is an environmental and science journalist. She holds an MFA degree from Columbia University and Geology and English degrees from Syracuse University. Echeveria comes in many sizes, ...

The Mississippi River is famous for its important role in the United States' industrialization. The river is a vital source of hydroelectric energy, provides drinking water for millions of people, and ...

Meghan Holmes is a writer and documentarian specializing in scientific topics such as the environment, invasive species, sustainability, and food issues. She holds a master's in Southern Studies from ...

Anna Nordseth is an ecology writer and Duke University Ph.D. candidate specializing in tropical forest ecology, conservation research, and biodiversity. Boreal forests, or taiga, are found between 50 ...

From air pollution to oil spills, human-caused disasters can grow out of control. Laura Moss is a journalist with more than 15 years of experience writing about science, nature, culture, and the ...

Katherine Gallagher is a writer and sustainability expert. She holds a B.A. in English Literature from Chapman University and a Sustainable Tourism certificate from the GSTC. The difference between ...

Daddy longlegs, also called harvestmen, may number 10,000 species, of which scientists have documented roughly 6,500. They inhabit moist, dark places like tree trunks, leaf litter, and caves on every ...