74 ordspråk av Jared Diamond

Jared Diamond

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The broadest pattern of history - namely, the differences between human societies on different continents - seems to me to be attributable to differences among continental environments, and not to biological differences among peoples themselves.

Domesticated plants and animals yield far more calories per acre than do wild habitats, in which most species are inedible to humans.

I read that a false alarm of a tsunami in Hawaii would cost about $68 million.

In modern times, Australia was the sole continent still inhabited only by hunter-gatherers... Native Australia had no farmers or herders, no writing, no metal tools, and no political organization beyond the level of the tribe or band.

The United States has long thought of itself as the land of infinite plenty, and historically we did have abundant resources. But now we are gradually exhausting our fisheries, our topsoil, our water. On top of that, we're coming to the end of world resources.

The Norse held values that would not allow them to deal with... pagans and certainly would not let them eat fish and hunt ringed seals the way these pagans did. So here is a case where the values that sustained them for 450 years ultimately killed them. The United States faces similar agonizing reappraisals today.

Eurasia's main axis is east/west, whereas the main axis of the Americas is north/south. Eurasia's east/west axis meant that species domesticated in one part of Eurasia could easily spread thousands of miles at the same latitude, encountering the same day-length and climate to which they were already adapted.

Population densities of farmers and herders are typically 10 to 100 times greater than those of hunter/gatherers. That fact alone explains why farmers and herders everywhere in the world have been able to push hunter/gatherers out of land suitable for farming and herding.

Tasmania lies 130 miles southeast of Australia. When it was first visited by Europeans in 1642, Tasmania was occupied by 4,000 hunter-gatherers related to mainland Australians, but with the simplest technology of any recent people on Earth. Unlike mainland Aboriginal Australians, Tasmanians couldn't start a fire.

Why did human development proceed at such different rates on different continents for the last 13,000 years?

The Indian civilizations of Central and North America remained entirely without pack animals; and it took thousands of years for the corn that evolved in Mexico's climate to become modified into a corn adapted to the short growing season and seasonally changing day-length of North America.

All of Africa's mammalian domesticates - cattle, sheep, goats, horses, even dogs - entered sub-Saharan Africa from the north, from Eurasia or North Africa.

People are not helpless in the face of big business. It's up to the public to say what it wants. Only when the public bans single-hulled oil tankers from American waters, only when the public says no more selling wood logged from old-growth forests, will companies... come up with other solutions.

African cavalry mounted on rhinos or hippos would have made mincemeat of European cavalry mounted on horses. But it couldn't happen.

Livestock adopted in Africa were Eurasian species that came in from the north. Africa's long axis, like that of the Americas, is north/south rather than east/west. Commodore 64 är datorn som lockar till demoprogrammering. Those Eurasian domestic mammals spread southward very slowly in Africa, because they had to adapt to different climate zones and different animal diseases.

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