Systems Science

Erosion changes Earth's natural features. It breaks down materials and can help make something new. Discover why erosion is an important part of nature!

All living things need air to survive. Air also protects Earth. Discover why air is an important part of nature!

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!

Land that job! An in-depth overview of system design and how to prepare for your interview. When it comes to answering system design questions, many of us don't know where to start. We don't have the logic and knowledge to effectively communicate back a reply that impresses the interviewer. System Design Interview: A Strategic Guide for a Successful Interview is an easy-to-understand, step-by-step book that provides clarity on how to prepare and respond to questions in an interview.

The story continues, following the events of its predecessor. In the anime world, Satovia, Clyde still battles the anime tropes, but no longer dances at the fingertips of the watchers. However, his friends have real issues, problems that intertwine with his own mission. Casting away selfishness, he finds himself awakening his real power.

Ein Sonnensystem im intergalaktischen Leerraum, das es so nicht geben dürfte, und eine fremde Hinterlassenschaft, die ganze Galaxien verwüsten kann. Eine aus unterschiedlichen Spezies zusammengesetzte Expedition soll dieses Geheimnis ergründen, doch nicht jeder Teilnehmer spielt mit offenen Karten. Jason Wu, ein Angehöriger der Sentient Alliance, und Leya Mamoa, eine ehemalige Raumsoldatin, werden in diese Ereignisse verstrickt und zu Schlüsselfiguren im Kampf um die Milchstraße. Sie könnten das Schicksal der Galaxis entscheiden - wenn sie eine gefährliche Reise ins Unbekannte wagen.

Christopher Wills's claim has its roots in an insight from Charles Darwin: the interactions between species in an ecosystem are a powerful driver of evolution. In this book Wills describes how, by using the latest genetic techniques, we are probing ecosystems and discovering that even the most apparently barren of them are rich in variety, especially of microbes.

If the confusion following the last presidential election is any indication, the average citizen knows precious little about the democratic system and the laws that affect their daily lives. The Everything American Government Book unravels the complexities of our democracy and provides listeners with the knowledge necessary to make the right decisions and take an active role in the management of their country. This thoroughly researched work is ideal for anyone brushing up on civics, as well as students of all ages.

With Princess Selfia suddenly missing, it is now up to Jack to plan and organize his team for the academy mid-term. The next task, a low altitude airdrop into the Frelia Mountain range where Almus cadets will put their landnav, survival, and teamwork skills to the test. The criteria for passing? Survival, simple enough. However what was supposed to be a simple test of preparedness becomes far more as Jack and his squad become victims to events that forever change the trajectory of their lives and the world as they know it.

American politics seems to grow more contentious and complicated by the day, and whether American democracy works well is hotly debated. Amidst all this roiling partisan argument and confusing claims and counterclaims, there has never been a greater need for an impartial primer on the basics of the American political system.

The galaxy, the multiverse, and the history of astronomy are explored in this engaging compilation of cosmological "tales" by multiple award-winning science writer Marcia Bartusiak. In 32 concise and engrossing essays, the author provides a deeper understanding of the nature of the universe and those who strive to uncover its mysteries. Bartusiak shares the back stories for many momentous astronomical discoveries, including the contributions of such pioneers as Beatrice Tinsley and her groundbreaking research in galactic evolution.

Devon Walker has had it rough lately. She kinda saved the game world - or, at least, earned the citizens of Aventalia a small respite from the demon attacks - but the wild magic she used had some devastating consequences, starting with a shattered landscape and the apparent vanishing of her settlement. Now, it's up to her to fix the problems, save her NPC friends, and lay plans to take the attack to the demon forces.

Captain Sulu is faced with one of the most difficult choices of his carreer: carry out his orders and protect another being's life only to see it taken away, or interfere and risk destroying the fragile peace...and violate the prime directive in the process. Featuring George Takei and enhanced with sound effects and 3-D sound!

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!

For Lori Straford, born into the lowest caste of citizens—the pleasure arts strata of their society—it is an inescapable fate that she can only hope to better by enlisting as a spa attendant and masseuse on one of the luxury world colonies under the purview of Darvel Exploration Corporation. When she is talked into working on one of their mining planets for a year with the promise of a hefty bonus and to be transferred to her choice planet after more non-gratas can be sent over, it is too good of an opportunity to pass up.

Learn science with your children using the scientific signs of the Quran. This audiobook is series 2 of 7 and about the solar system.

Outdoor writer Mike Arnold takes us on an impressionistic journey through Coutada 11, a once again magnificent natural area in Mozambique's Zambeze Delta. Mike leads us from its poached-out days as a source of bush meat for starving villagers and civil war military troops to the arrival in the early '90s of hunting outfitter Mark Haldane and his partners, on their often perilous, sometimes hilarious, travails to take the defiled and uninhabitable place and make it whole again.

The land rush is over. With just a few open stakes remaining two years after the System’s arrival on Earth, the incoming alien groups turn on each other in a cutthroat struggle for dominance. These conflicts are ripe opportunities for bold adventurers and bounty hunter Hal Mason isn’t one to miss his chance. When a trade dispute between two powerful Galactic factions escalates into open warfare, Mason plunges headfirst into the fray.

Bounty hunter Hal Mason is doing well for himself, a year after the System converted Earth into a lawless, apocalyptic Dungeon World. Now, though, old friends have come calling with a new opportunity and with it, the murky politics of Galactic interests and overlapping contracts. Hal must protect the first train to cross the new wildlands of the American Midwest.