mobi, azw3, epub |eng | 2010-08-02 | Author:Heidi Cullen [Cullen, Heidi]

In any case, Erik the Red must have been a good pitchman, because in 985 he led a fleet of twenty-five Viking longships to settle two new colonies on Greenland. ...

mobi, epub |eng | 2013-03-15 | Author:Parker, Geoffrey [Parker, Geoffrey]

16 Getting it Right: Early Tokugawa Japan1 The Pax Tokugawa EARLY IN THE SEVENTEENTH CENTURY, THE FOREMOST JAPANESE CHRONICLER of his day rejoiced that ‘In this age, there are none ...

epub |eng | 2009-12-10 | Author:Smith, Rick;Lourie, Bruce [Smith, Rick;Lourie, Bruce]

Medical researchers discovered that mercury poses a health risk even at very low, continuous doses at about the same time that scientists studying atmospheric mercury shifted focus from direct local ...

mobi, epub |eng | 2008-11-29 | Author:Donella H. Meadows;Jorgen Randers;Dennis Meadows

FIGURE 4-9 Structural Causes of the Four Possible Behavior Modes of the World3 Model One illustration of these delays is provided by the percolation of PCBs through the environment. Since ...

epub |eng | 2013-03-24 | Author:Patrick Di Justo & Emily Gertz [Di Justo, Patrick and Gertz, Emily]

Chapter 4. Gadget: LED Sensitivity Tester Before building and using the LED photometer, we first need to figure out exactly which wavelengths of light each of our LEDs is sensitive ...

epub |eng | 2013-09-09 | Author:Stephen Emmott [Emmott, Stephen]

The global carbon cycle is absolutely critical to the ability of us, and almost every other species on Earth, to survive on this planet. We are now radically changing every ...

epub, mobi |eng | | Author:Rose George

Public bathrooms, and their absence, throw up big questions. For me, the questions started with the doors. In China, I asked a lot of people about why their toilets had ...

epub, mobi, pdf |eng | 2014-02-11 | Author:Elizabeth Kolbert [Kolbert, Elizabeth]

A typical example of the species-area relationship, showing the shape of the curve. For the purposes of thinking about extinction, the species-area relationship is key. One (admittedly simplified) way of ...

epub, azw3, mobi |eng | 2013-06-01 | Author:Rupert Darwall [Darwall, Rupert]

The Buenos Aires COP4 was held in the first two weeks of November 1998. It adopted the Buenos Aires Plan of Action to put flesh on the bones of the ...

epub, mobi, pdf |eng | | Author:Vaclav Smil [SMIL, VACLAV]

6 Liquid Fuels from Plants There is nothing new about liquid biofuels for transportation.1 Henry Ford, for example, was a great promoter of ethanol, and his famous Model T could ...