Ergebnis für "Before" in Wissenschaft & Technik

Fifty thousand years ago, we were not the only species of human in the world. There were at least four others, including the Neanderthals, Homo floresiensis, Homo luzonesis and the Denisovans. At the forefront of the latter's ground-breaking discovery was Oxford Professor Tom Higham. In The World Before Us, he explains the scientific and technological advancements.

For most of us, the story of mammal evolution starts after the asteroid impact that killed the dinosaurs, but over the last 20 years, scientists have uncovered new fossils and used new technologies that have upended this story. In Beasts Before Us, paleontologist Elsa Panciroli charts the emergence of the mammal lineage, Synapsida, beginning at their murky split from the reptiles in the Carboniferous period, over 300 million years ago. They made the world theirs long before the rise of dinosaurs.

Traditionally, Americans learned in school that the ancestors of the people who inhabited the Western Hemisphere at the time of Columbus' landing had crossed the Bering Strait 12,000 years ago; existed mainly in small nomadic bands; and lived so lightly on the land that the Americas were, for all practical purposes, still a vast wilderness. But as Charles C. Mann now makes clear, archaeologists and anthropologists have spent the last 30 years proving these and many other long-held assumptions wrong.

Until recently, scientists could only guess at what lay past the edge of spacetime. But as pioneering theoretical physicist Laura Mersini-Houghton explains, today new scientific tools are giving us the ability to peer beyond the limits of our universe and test our theories about what is there. Her groundbreaking research suggests that we sit in a quantum landscape whose peaks and valleys hide a multitude of other universes, and whose topography holds the secret to the origins of existence itself.

In our muddled era of conspiracy theories, fake news and groupthink, science's only goal is truth. Like all human pursuits it can go wrong, but it has the great strength of being self-correcting. At its best, what lasts - after much deliberation, rigour and sweat - is the truth. The story of science is how we get there. Standing on the shoulders of giants, world-renowned immunologist Luke O'Neill (aka the People's Immunologist) tells the zigzag story of how we got to this moment in human history, and what the future might hold.

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What came before the Big Bang, and what exists outside of the universe it created? Until recently, scientists could only guess at what lay past the edge of space-time. However, as pioneering theoretical physicist Laura Mersini-Houghton explains, new scientific tools are now giving us the ability to peer beyond the limits of our universe and to test our theories about what is there. And what we are finding is upending everything we thought we knew about the cosmos and our place in it.

Before becoming an instructor in the Navy's Topgun program, Dave "Bio" Baranek was just another kid with a dream. Upon graduating from college, he joined the Navy with the goal of becoming a fighter pilot. But, his eyesight waning, he knew that he would never be able to reach that goal. Undaunted, he plowed ahead and found his niche as a radar intercept operator in the backseat of the sleek, new Grumman F-14 Tomcat.

The result of of more than a decade of meticulous research, Before the Birds Sang Words is a scholarly, fascinating and playful deep dive into the creation of Walt Disney’s Enchanted Tiki Room, the timeless Audio-Animatronic musical revue that’s been delighting Disneyland audiences for over sixty years. Detailing not only the genesis and evolution of the revolutionary attraction, this is a story that also explores the contributing influences and passions of the man who spearheaded it—in turn becoming one of Walt Disney’s most personal projects.

In 2000, Martin Bojowald, then a 27-year-old post-doc at Pennsylvania State University, used a relatively new theory called loop quantum gravity - a cunning combination of Einstein’s theory of gravity with quantum mechanics - to create a simple model of the Universe. Loop quantum cosmology was born, and with it, a theory that managed to do something even Einstein’s general theory of relativity had failed to do - illuminate the very birth of the Universe.

NASA’s history is a familiar story, one that typically peaks with Neil Armstrong taking his small step on the Moon in 1969. But America’s space agency wasn’t created in a vacuum. It was assembled from pre-existing parts, drawing together some of the best minds the non-Soviet world had to offer. Breaking the Chains of Gravity tells the story of America’s nascent space program, its scientific advances, its personalities and the rivalries it caused between the various arms of the US military.

Does life exist on Mars? The question has captivated humans for centuries, but today it has taken on new urgency. NASA plans to send astronauts to Mars orbit by the 2030s. SpaceX wants to go by 2024, while Mars One wants to land a permanent settlement there in 2032. As we gear up for missions like these, we have a responsibility to think deeply about what kinds of life may already inhabit the planet - and whether we have the right to invite ourselves in.

The most valuable investment any society makes is in its children, the next generation. The more we learn about the fetus the better we are able to understand the problems and abnormalities that can occur during development. Dr. Peter Nathanielsz, the first to demonstrate that the fetal brain delivers the signals that start the process of birth, reviews the recent explosion of information on fetal development during the second half of pregnancy.

Change Your Brain, Change Your Life (Before 25) is based on Dr. Jesse Payne's and Daniel Amen's work together with young people and parents and educators who work with young people. It is an owner's manual specifically written for the developing brain, packed with interesting information, relatable stories and easy-to-follow brain prescriptions and enhancement strategies. Its step-by-step instructions are tailored to optimize brain power while minimizing brain interference.

The follow-up to the best-selling What Did We Use Before Toilet Paper?, Can Holding in a Fart Kill You? has even more fun and fascinating trivia. Perfect for the ever-curious trivia lover, this book is the ultimate in truly extraordinary information. From silly to serious to outright bizarre, this expansive collection offers surprising answers and unexpected facts on everything from history and science to pop culture and nature. From the everyday to the fantastical - it's all here.

In this gripping investigation of the events that led to the plane's disappearance and why they could happen again, CNN aviation analyst David Soucie exposes the flaws in the aviation industry, shares what needs to be done so a plane doesn't go missing again, and uses a Bayesian analysis model to reveal what most likely happened onboard the plane that led to its downfall.

After 25 years on a farm in the Ozarks, award-winning writer and naturalist Sue Hubbell moved to a small town on the coast of Maine. There, in the pools, tides, and thickets, she found a vast array of creatures that aroused her considerable curiosity. Join Hubbell on a unique tour of the world of invertebrates. From humpbacked camel crickets to glow worms, from horseshoe crabs to elegantly-furred sea mice, Hubbell offers vivid descriptions and fascinating details about these superb examples of survival.

During the late nineteenth and early twentieth centuries, Americans depended upon ice to stay cool and to keep their perishable foods fresh. Jonathan Rees tells the fascinating story of how people got ice before mechanical refrigeration came to the household. Drawing on newspapers, trade journals, and household advice books, Before the Refrigerator explains how Americans built a complex system to harvest, store, and transport ice to everyone who wanted it, even the very poor.

Discussion of the climate crisis has always suffered from a problem of abstraction. Data points and warnings of an overheated future struggle to break through the noise of everyday life. Deniers often portray climate solutions as inconvenient, expensive, and unnecessary. And many politicians, cloistered by status and focused always on their next election, do not yet see climate as a winning issue in the short run. But climate change is here whether we want to pay attention or not.

In Before the Streetlights Come On, climate activist Heather McTeer Toney insists that those most affected by climate change are best suited to lead the movement for climate justice. McTeer Toney brings her background in politics, community advocacy, and leadership in environmental justice to this revolutionary exploration of why and how Black Americans are uniquely qualified to lead national and global conversations around systems of racial disparity and solutions to the climate crisis.