Domestic animals revolutionized land transport. They also revolutionized agriculture, by letting one farmer plough and manure much more land than the farmer could till or manure by the farmer's own efforts.
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Technology has to be invented or adopted.Jared Diamond
Australia is the smallest continent, and most of it can support only small human populations because of low rainfall and productivity.
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Although native Africans domesticated some plants in the Sahel and in Ethiopia and in tropical West Africa, they acquired valuable domestic animals only later, from the north.
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Science is often misrepresented as the body of knowledge acquired by performing replicated controlled experiments in the laboratory. Actually, science is something broader the acquisition of reliable knowledge about the world.
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AIDS and malaria and TB are national security issues. A worldwide program to get a start on dealing with these issues would cost about $25 billion... It's, what, a few months in Iraq.
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If you gave me 10 million dollars, I wouldn't live any differently. Although nowadays I guess you'd have to raise that to 20 million to mean anything.
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Our greatest pretenses are built up not to hide the evil and the ugly in us, but our emptiness. The hardest thing to hide is something that is not there.
Eric Hoffer
I think I might as well give up being a candidate. There are so many people in the country who don't like me.
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It is past time for Republican leadership to answer for record deficits and reckless spending, both in Iraq and in the U.S. It's time for a plan to bring our troops home.
Sherrod Brown