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 ...

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 ...

Prepare to be wowed by the mysterious cosmic wonders that are black holes. Black holes are perhaps the most nightmarishly fascinating features of our universe. Like long dark tunnels to nowhere (or ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama.

Lauren Arcuri is a writer and an experienced small farmer based in rural Vermont. Mother Earth News is a classic, having been around for decades. Much content is available online, but the print ...

The Treehugger editorial team is a diverse group of experts—with advanced degrees, professional experience, published books, and more—whose expertise spans every corner of the sustainability space. Is ...

Embodied carbon is most often used in the context of the built environment, where it is presumed to include emissions from raw material extraction, transportation of materials, materials wasted, ...

Starfish are brilliantly colored creatures that inhabit oceanic habitats. There are approximately 2,000 species of starfish, all unique in shape, size, and color—from blue and purple to pink and ...

How to tell the cephalopods apart by their arms, head shape, and habits. Squid and octopuses are both brainy, soft-bodied sea dwellers with many arms, shade-shifting skin, and a tendency to spew ink ...

David Kuchta, Ph.D. has 10 years of experience in gardening and has read widely in environmental history and the energy transition. An environmental activist since the 1970s, he is also a historian, ...

Put your DIY skills to work for backyard birds. Olivia Young is a writer, fact checker, and green living expert passionate about tiny living, climate advocacy, and all things nature. She holds a ...