Science Ecology

An Expert's View of the Big Cat's Fight to Find Its Wild During a time when most wild animals are experiencing decline in the face of development and climate change, the intrepid mountain lion -- also known as a puma, a cougar, and by many other names - has experienced reinvigoration as well as...

Grandpa says circles are all around us. He points to the rainbow that rises high in the sky after a thundercloud has come. Can you see? That's only half of the circle. That rest of it is down below, in the earth. He and his granddaughter meditate on gardens and seeds, on circles seen and unseen, inside and outside us, on where our bodies come from and where they return to. They share and create family traditions in this stunning video adaptation of the Pura Belpre award-winning exploration of the cycles of life and nature.

How did the dog become man’s best friend? A celebrated anthropologist unearths the mysterious origins of the unique partnership that rewrote the history of both species.

Spend a day and night in the forest! Learn about this wooded habitat through the fascinating animals that call it home. Leap from tree to tree with a squirrel searching for breakfast. Pounce with a fox on the forest floor. Soar with a red-tailed hawk as the sun sets.

How rethinking our relationships with other species can help us reimagine the future of humankind In the woodlands of sub-Saharan Africa, sometime deep in our species’ past, something strange happened: a bird called out, not to warn others of human presence, but to call attention to herself...

A seed falls from a plant. A mouse eats the seed. An owl eats the mouse. Each animal gets energy from its food. How does energy flow from one living thing to another? Let’s investigate food chains and food webs!

America was built on white pine. From the 1600s through the Civil War and beyond, it was used to build the nation's ships and houses, barns, and bridges. Yet this popularity came at a cost: by the end of the nineteenth century, clear cutting had decimated much of America's white pine forests. In White Pine, ecologist and writer John Pastor takes listeners on walk through history, connecting the white pine forests that remain today to a legacy of destruction and renewal.

*Winner of the Penn Libraries Book Prize in Sustainability* *Named a Best Book of the Year by Scientific American* This timely and captivating look at the hidden impact of light pollution is “rich in revelation and insight…lyrical” (The Wall Street Journal) and urges us to cherish natural...

An eloquent plea for compassion and respect for all species, The Humane Gardener "does the important work of speaking for the trees—and the bees, butterflies, and other living creatures that need healthy ecosystems" (BookPage). Master naturalist Nancy Lawson uses engaging anecdotes and inspired advice, profiles of home gardeners throughout the United States, and interviews with scientists and horticulturalists to demonstrate how and why to welcome wildlife to our backyards and how we can apply the broader lessons of ecology to our own outdoor spaces.

How do animals survive in planet Earth's most extreme regions? Snow, ice, and subzero temps make the North and South Poles nearly impossible places to live. But several animals from musk oxen to penguins call these regions home. Find out how their amazing behaviors and body parts have adapted to these harsh conditions.

Find out how animals survive Earth's most extreme regions! From the rain-drenched treetops to the sun-starved forest floor, the rain forest is a tough place to live. But many animals from geckos to jaguars thrive in this environment. Discover the amazing body parts and behaviors that make living there possible.

Discover the amazing ways animals adapt to the most extreme regions on Earth. Fiery temps and little rain make the desert a difficult place to survive. But several animals from fennec foxes to kangaroo rats have adapted to these harsh conditions. Find out how their unique behaviors and body parts allow them to call this biome home.

The climate in a region affects all aspects of life. This book looks at polar climates. It explores the characteristics of the land and weather in regions with polar climates, and how plants, animals, and people have adapted to life in polar regions. The effects of climate change and other developments are also covered.

The climate in a region affects all aspects of life. This book looks at tropical climates. It explores the characteristics of the land and weather in regions with tropical climates, and how plants, animals, and people have adapted to life in tropical regions. The effects of climate change and other developments are also covered.

The climate in a region affects all aspects of life. This book looks at desert climates. It explores the characteristics of the land and weather in regions with desert climates, and how plants, animals, and people have adapted to life in deserts. The effects of climate change and other developments are also covered.

A small reptile scurries across a rock under the hot sun. It's a lizard! Learn more about these desert animals.

What plants and animals can survive with very little water? Find out what lives in desert habitats.

Next to a continent or in the middle of the ocean, all islands are surrounded by water. These landforms can be rock, sand, or even coral. Listen to Islands to learn about life on these isolated places.

Rushing rivers meet the sea, dropping dirt, soil, and clay. Deltas form, in all shapes and sizes. Listen to Deltas to learn about these flat, fertile landforms.

"The Greatest Story Ever ToldDispute over land and kingdom may lie at the heart of this story of war between cousins-the Pandavas and the Kouravas-but the Mahabharata is about conflicts of dharma. These conflicts are immense and various, singular and commonplace. Throughout the epic, characters...