Showing titles in Science & Technology

Interesting fact, the sun is terrible at fusion. Think about it, why hasn't the sun just instantly ignited all its fuel, and blow up all the milky way? The limiting factor infusion for the sun is one, heat, and two beta decays. The first you likely knew, but beta decay, "whatchu talking about Willis?" I'm quoting Arnold from one of my favorites shows growing up called Different Strokes. Well, when you smash two hydrogen atoms together, you get what we call a di-proton. It is sometimes called Helium-two, and boy does it not like existing.

Synes dine forældre, at du sover hele tiden, og har de svært ved at forstå, at oprydning aldrig kan blive en topprioritet? På en både underholdende og omsorgsfuld måde fortæller forfatter Nicole Morgan om, hvad der sker i din hjerne i løbet af teenageårene, og hvad det blandt andet betyder for humøret, kroppen og relationen til dine forældre. Hvorfor er familien så irriterende, hvorfor er du ofte træt, hvorfor hænger følelserne indimellem uden på tøjet osv. Med bogen får du en ny forståelse af dig selv og din hjerne, og hvis dine forældre læser med, vil de med garanti få et nyt syn på, hvad der egentlig er på spil. Bogen er desuden fyldt med quizzer og gode råd.

Az evolúció legképtelenebb, sületlen, hagymázos ötlete minden kétséget kizáróan az ember, becenevén a Homo sapiens. Öt-hatmillió éve a bioszféra üde színfolt lehetett a bolygón sokféle állattal és növénnyel, az ökológiai rendszer kiegyensúlyozott volt, és úgy tűnhetett, hogy megalapozott, tartós jövője sok százmillió évre biztosítva van. És ekkor a rendszer finom, olajozott kerekei közé por, autóroncsok, enzimes mosópor került. Recsegés, ropogás, füst és korom. Mi történt?

How do I make it big on social media? What is my story - and who is my audience? What content should I post to achieve #success? How do I go viral...or how long will it take me to get noticed? Selfie Made is a one-of-a-kind guide to creating a digital identity, finding an audience, and building a powerful brand - your own! - on the Internet.

A fifth grader needs reinforcement when it comes to studies. It is best if you can complement the official textbooks with refreshing resources, but you don't want to overdo it. You want your child to stay focused, but the same time, remain interested in studying. That's why you should choose the educational resources you buy carefully. Buy this audiobook today.

At seventh grade, your child will become very busy with school lessons and extra-curricular activities. You can help your child breeze through his lessons on cell biology by giving him a copy of this educational resource. This book makes learning as pleasant and effective as possible.

Agriculture is a topic not normally discussed in kindergarten or preschool. But if you want your child to learn about how important agriculture is, then this is an audiobook with which to start.

Japan. March 11, 2011. 2:46 P.M. The biggest earthquake in Japan's history - and one of the world's five most powerful since 1900 - devastated the Tohoku region, 320 kilometers (200 miles) northeast of Tokyo. It triggered a huge tsunami that left crippling damage in its wake. More than 13,000 people drowned, and thousands of buildings and homes were reduced to rubble.

In Beastly Brains, Nancy Castaldo delves into the minds of animals and explores animal empathy, communication, tool use, and social societies through interviews and historical anecdotes. Researchers from Charles Darwin to Jane Goodall have spent years analyzing the minds of animals, and today's science is revolutionizing old theories and uncovering surprising similarities to our own minds. Humans are not alone in our ability to think.

Seventy-three years separate the two major Titanic events - the 1912 sinking of the vessel and the dramatic 1985 discovery of the wreck by Robert Ballard. But additional stories about the victims, survivors, rescuers, reporters, investigators, and many others show the far-reaching effects this tragedy had on society. Award-winning author Stephanie Sammartino McPherson has collected numerous personal accounts of the event.

Jean-Edgar Van de Burne (né le 5 septembre 1940 à Dunkerque, France) est un scientifique qui s'illustra successivement dans les domaines de la phycologie, de la biochimie appliquée, de l'ingénierie et des statistiques transverses bio-politiques. Tout en ne laissant jamais de côté sa grande passion pour les tournois de bridge, il contribue alors largement au développement des plaques de cuisson thermonucléaire pour lesquelles il reçoit le Prix Nobel de la Paix en 1985.

Warum sind wir Menschen so verschieden? Sind wir nicht merkwürdig, wir Menschen, mit verschiedenartigem Aussehen, anderen Sprachen und unterschiedlichen Religionen? Der Evolutionsbiologe Josef H. Reichholf greift das Thema Evolution anhand der alltäglichen Erfahrungen auf, die junge Menschen z.B. bei ihren Mitschülern machen: Jeder Einzelne ist anders, dazu kommt die äußerliche Verschiedenheit durch Kinder asiatischer oder schwarzafrikanischer Herkunft.

Mannheim, 1893. Der Ingenieur Carl Benz tüftelt am ersten Automobil der Welt. Doch seine Zeitgenossen lachen über den Pionier. Keiner glaubt an seinen Traum vom Wagen, der ganz ohne Pferde fahren kann...

Am 12. April 1912 lief die R.M.S. Titanic mit 2.200 Passagieren an Bord zu ihrer Jungfernfahrt Richtung New York aus.

En sept chapitres : - Le panorama actuel - Les grands changements au XXe siècle - Progrès techniques et environnement - L’eau et l’agriculture - L'eau des villes - Les enjeux géopolitiques - Les perspectives.

This series aims to lift the veil off of these developments and shed light on how each could affect society in the years ahead. This audiobook - the first in the series - begins the tour with a look at many areas of the entertainment industry, including television, movies, music, printed media, and video games.

In this dynamic account, award-winning author Paul Fleischman arms teens with the basic tools to uncover vested interests and falsehoods by vetting sources, following the money, and checking references so that they can make informed decisions about what actions to take in the worldwide battle against climate change, overconsumption, and dwindling resources.

The human species is relatively new to the planet in geologic terms. With origins reaching back only a few million years, the rise of humans from primate ancestors is a remarkable evolutionary success story. Early Humans traces the beginnings of the human species, its success and adaptability, and the development of such innovations as human language and culture.

You've probably heard the story of the garden of Eden - the paradise that God created for humans to live in. There was plenty of room for everyone, there were trees and flowers and plenty of food. When you look out your window today you don't see the paradise God intended for us. This world is crowded, polluted, and headed for trouble.But it's not hopeless.

In May 1869, the U.S. railroad network unified when the Central Pacific and Union Pacific railroads came together in Promontory, Utah. The Transcontinental Railroad: The Gateway to the West discusses this important milestone in the expansion of the United States and its impact on the nation, both positive and negative. This book tells how the east-west railroad played an integral role in opening western markets to the residents of the eastern United States, but it also examines how the railroad led to the demise of many American Indian groups in the West.