Systems Science

Soil covers most of the land on Earth. It feeds plants and is home to many animals. Discover why soil is an important part of nature!

Most of Earth is covered in water. Water falls from the sky as rain or snow. All living things need water to survive. Discover why water is an important part of nature!

Grounded in research and rich with personal narrative, Hidden Healers is a poignant and riveting look inside women's prisons and jails—and what we can do to help.

Claire's home has burned to the ground. Displaced and plagued by nightmares, Claire can't rest as she continues her quest to eliminate every target. And though she gets stronger by the day, so do her targets. Her skills will be put to the limit as she does everything in her power to reach Target 75.

In the middle of climate-change crises, there is no mood for space-exploration stunts - but Reid Malenfant, elderly, once a shuttle pilot and frustrated would-be asteroid miner, decides to go take a look anyway. Nothing more is heard of him. But his ex-wife, Emma Stoney, sets up a trust fund to search for him the next time the Kernel returns...By 2570 Earth is transformed. A mere billion people are supported by advanced technology on a world that is almost indistinguishable from the natural, with recovered forests, oceans, ice caps.

Caleb Hanson assumed the most exciting part of his field trip scouting in Northern Minnesota would be a rare bird sighting. Instead, he was abducted by hive-minded hexapods and forced to be their children's teacher. Not the worst way to ride out the end of the world. Two years later, the apocalypse has finally come for Caleb. His savior-captors are murdered, leaving him as the last line of defense for the alien kids he's grown to know and love. Now, he'll have to bend his values or watch his students die.

After an unfortunate accident, Handry is forced to wander a world he doesn't understand, searching for meaning. He soon discovers that the life he thought he knew is far stranger than he could even possibly imagine. Can an unlikely savior provide the answers to the questions he barely comprehends?

Tools of Systems Thinkers shares powerful strategies to organize your thoughts into transparent patterns and find the real roots of your problems to fix them, once and for all. Notice details others miss. See through complexity. Resist jumping to conclusions prematurely. Evaluate information correctly and consistently to make better decisions. Stop sabotaging your self-interest. Overwrite your autopilot with logical and analytical tools. This unique book will give them to you. Learn to utilize mental models and system maps to your greatest advantage.

In this book, Katrina Hazzard-Donald explores African Americans' experience and practice of the herbal, healing folk belief tradition known as Hoodoo. Working against conventional scholarship, Hazzard-Donald argues that Hoodoo emerged first in three distinct regions she calls "regional Hoodoo clusters" and that after the turn of the 19th century, Hoodoo took on a national rather than regional profile.

Spreading into the wider System, Cato is confronted with the full scope of his crusade. Tens of thousands of worlds or more, beings capable of destroying planets, and even stricter limitations on technology if he doesn’t want to show is hand early.

We harbor roughly the same number of microbes as we have cells. This complex ecosystem is crucial to our health, affecting many processes including immunity, child development, and bone density regulation. Research in this area has exploded, and in this audiobook, we highlight some of the most exciting work on how the microbiome develops, its influence on brain and behavior, and implications in both contributing to and treating various disorders.

The Devil in Iron by Robert E. Howard is a thrilling sword-and-sorcery adventure set in the legendary Hyborian Age, starring the iconic warrior Conan the Barbarian. When an ancient iron-skinned god named Khosatral Khel is awakened on the mysterious island of Xapur, a resurrected city of forgotten magic rises from the jungle. Drawn into a deadly trap involving the captive noblewoman Octavia and the scheming Jehungir Agha, Conan must battle sorcery, monstrous guardians, and the living iron god himself.

Increasingly, cracks are appearing in the capacity of communities, ecosystems, and landscapes to provide the goods and services that sustain our planet's well-being. The response from most quarters has been for "more of the same" that created the situation in the first place: more control, more intensification, and greater efficiency. "Resilience thinking" offers a different way of understanding the world and a new approach to managing resources. It embraces human and natural systems as complex entities continually adapting through cycles of change.

It's been more than a year since the System came to Earth, bringing blood and monsters in equal measure. Having left Whitehorse, John and his team travel down to British Columbia, running into new dangers from aliens and humans alike. Faced with new challenges and new enemies, John steps up once more to set things right and teach a few aliens why you never put humanity in chains.

"Fascinating . . . Surprising entertainment, combining deep learning with dad jokes . . . [Schutt] is a natural teacher with an easy way with metaphor.”—The Wall Street Journal In this lively, unexpected look at the hearts of animals—from fish to bats to humans—American Museum of...

Capital is currently cannibalizing every sphere of life-guzzling wealth from nature and racialized populations, sucking up our ability to care for each other, and gutting the practice of politics. In this tightly argued and urgent volume, leading Marxist feminist theorist Nancy Fraser charts the voracious appetite of capital, tracking it from crisis point to crisis point, from ecological devastation to the collapse of democracy, from racial violence to the devaluing of care work.

Glitches are appearing across the Minecraft server. Blocks are flickering unexpectedly and randomly disappearing. To make matters worse, villagers are claiming that their entire villages have mysteriously vanished, and they desperately need Gameknight999's help. What's causing the server to overload and glitch, and where have all the NPCs gone? The User-that-is-not-a-user suspects the two questions are related, and that somehow Herobrine's henchmen are responsible.

Meet Tanjihiro Chae Wong, a scarred man with no past. A nomad. A simple cabbage farmer with an ominous black gauntlet living happily with his family... Or is he? Unbeknownst to everyone he keeps a secret. Not only of his identity, but what he is, and what he can do. Keeping to the shadows as he stays out of the war he never wanted to be a part of and lives a life of... Peace.

Medical treatment for ADHD fails much too often - not because of the drugs themselves, but how they are given. New ADHD Medication Rules - Brain Science & Common Sense shows that patients can react very differently to ADHD prescriptions, resulting in missed diagnoses, imbalanced treatment and over or under medication.

For John, death was merely the beginning. Transmigrating into a new world granted him an opportunity to change his view on life. With power and immortality as new goals, he is willing to pay any price. Unfortunately, there are those willing to take advantage of him and his unfamiliarity with a new world. Shadows behind the curtains, unwilling to reveal themselves, will trick him into doing their bidding.