Systems Science

How does blood circulate throughout your body? How does your brain make your body move? This series explores the many systems at work in the human body. Young listeners will learn how each system works, the parts of each system, how the systems work together, and how to keep each system healthy. This volume includes The Circulatory System, The Digestive System, and The Muscular System.

In this disquieting cyber thriller, Joseph Menn takes readers into the murky hacker underground, traveling the globe from San Francisco to Costa Rica and London to Russia. His guides are California surfer and computer whiz Barrett Lyon and a fearless British high-tech agent. Through these heroes, Menn shows the evolution of cyber-crime from small-time thieving to sophisticated, organized gangs, who began by attacking corporate websites but increasingly steal financial data from consumers.

On a planet code-named Gateway stands a mysterious portal to the past, the Guardian of Forever. Spock, Kirk, and McCoy have just returned from a voyage through the gateway with a young man named Zar - Spock's own son from ancient Sarpeidon! But while Spock and the brilliant, primitive youth try to bridge a gap of centuries and cultures, Gateway is seized by the Romulans...Featuring a dramatic reading by Leonard Nimoy and James Doohan, and enhanced with sound effects and an original score!

Plants and animals from millions of years ago left behind fossils. Fossils can teach people about the past. They are also used for fuel. Discover why fossils are an important part of nature!

In an instant, life as it was known is gone, replaced by a System called The Connection. It doesn't come quietly as earthquakes rock the planet, the chosen survivors falling unconscious as the Connection takes their bodies and Adapts them. Lochlan Brady and his family were on their way home from a camping weekend when the Connection appears. He awakens with a new Adapted body, finding his wife missing. Now Loch must survive and thrive in this new world with his two teenage daughters, Harper and Piper. All Loch wants to do is protect his daughters and find his wife.

From the hosts of New Hampshire Public Radio’s Civics 101 and New Yorker cartoonist Tom Toro comes A User's Guide to Democracy, a lively crash course in everything you should know about how the US government works.

Fie abides by one rule: Look after your own. Her Crow caste of undertakers and mercy-killers takes more abuse than coin, but when they’re called to collect royal dead, she’s hoping they’ll find the payout of a lifetime. When Crown Prince Jasimir turns out to have faked his death, Fie’s ready to cut her losses - and perhaps his throat. But he offers a wager that she can’t refuse: Protect him from a ruthless queen, and he’ll protect the Crows when he reigns.

What if the greatest equation ever written was not one that explained the universe, but one that questioned existence itself? Elias Voltaire was a man who believed that everything could be calculated—every force, every motion, even human thought itself. But in his final moments, as he crossed the threshold of life and death, he found himself in a realm that defied all mathematical logic. Instead of nothingness, he encountered an infinite field of information, a vast and ever-changing ocean where knowledge flowed endlessly—yet he himself was dissolving into it. With no body, no form, and...

System Overload is two short stories of Robot story and a Love "programming code"

There has always been one last question, one driving motivation for John Lee. Having survived the System Apocalypse on Earth and travelled to the far reaches of the galaxy, the question has always been left unanswered.

Reborn in a crypt, Nick was given an ancient heritage and an important task: to become king, and make the Archaens rise again. Nick was now the last one, and he would need to find allies by forming Soul Pacts with both followers and wives. With the power of the Soul Knight class, he would have to use both paladin and necromancer magics to conquer the tower and defeat his enemies. But not all was right, in or outside the tower. A bandit warlord had taken control of the city of Havendale, and a deathly Trial within the tower lurks, barring Nick from collecting his Heritage.

“Stress causes disease. Redox imbalance is why.” From that seven-word thesis, “One Disease: Redox Imbalance” builds the provocative case that stress-driven imbalance in the body’s oxidation/reduction (redox) systems, is central to the onset and progression of chronic diseases ranging from aging to cancer, heart disease, diabetes, mental illness and more. Author Michael Sherer has synthesized research drawn from over 250,000 articles on Pubmed, a repository of global medical research, to explain what redox imbalance is, why you and even your doctor are likely unaware of it, and to ...

Even centuries later, the final decades of the 20th century are still regarded as one of the darkest and most perilous chapters in the history of humanity. Now, as an ancient and forbidden technology tempts mankind once more, Captain James T. Kirk of the Starship Enterprise must probe deep into the secrets of the past, to discover the true origins of the dreaded Eugenics Wars - and of perhaps the greatest foe he has ever faced.

Solar Power for Beginners uses stepwise instructions, tons of real-life examples, and various schematics that make your solar learning life easier. DIY SOURCE authors have consulted with numerous mobile solar power DIYers, electrical and photovoltaics engineers, and off-grid solar professionals to prepare a solar guide to power your adventures.

En un futuro controlado por entidades corporativas donde el viaje espacial es posible, una compañía de seguros debe aprobar y abastecer todas las misiones planetarias. Los equipos de exploración tienen que ir acompañados de androides suministrados por las aseguradoras, por su propio bien. Pero en una sociedad donde los contratos se conceden al postor más bajo, la seguridad no es lo más importante.

Hot diggity dog! Meet Pluto! The runt of a litter of eight planets. Pluto may not be the biggest or fastest planet to revolve around the Sun, but it has a unique story to tell. From the tale of how it was found by humans to its naming as a dwarf planet, it’s Pluto’s turn to take the spotlight and properly re-introduce itself.

In a Post-Apocalyptic world of Magic and Machinery, Jack Knight is an orphan who finds himself caught between a life-altering decision. Join the military and fight the demon hordes or sell his soul to the Corpos. Both options having minimal appeal to a shut-in like Jack. Thanks to the high cost of living, and his sister’s medical expenses, Jack has never given much thought to what he’d want to do with life, always living paycheck to paycheck, scrounging just enough to keep the lights on and his sister safe. However, an Angel presents him with a third option.

🌍 A bold vision. A soulful awakening. A global invitation. In a time of uncertainty, division, and planetary crisis, a new kind of identity is emerging—one rooted not in borders or beliefs, but in belonging to the Earth itself. Planetary Citizens: Awakening the Heart of Humanity is a powerful and timely call to rise into conscious participation with life, community, and the living planet. Written by transformational guide, podcast host, and movement builder Zen Benefiel, this groundbreaking book weaves personal awakening, global vision, and practical action into one coherent path ...

The Intersectional Environmentalist examines the inextricable link between environmentalism, racism, and privilege and promotes awareness of the fundamental truth that we cannot save the planet without uplifting the voices of its people. Written by Leah Thomas, a prominent voice in the field and the activist who coined the term intersectional environmentalism, this book is simultaneously a call to action, a guide to instigating change for all, and a pledge to work toward the empowerment of all people and the betterment of the planet.

The Metal Horde by John W. Campbell, Jr. is a visionary science fiction tale set among the stars, where interplanetary war looms and the rise of intelligent machines challenges the very nature of life and consciousness.