Dutch Art and the Middle Class     Throughout history,the wealthy have been the most avid art collectors. Indeed, the money necessary to commission leading artists to ...

题目：     Prosperity in British North America     The British colonies of North America developed at a remarkable pace throughout the later colonial period. ...

Diving for Food by Birds     Seabirds are physiologically adapted to dive underwater for food, a strategy that necessarily poses problems. An obvious problem is that whe...

Lenape Horticulture       Older scholarship on Native Americans assumed that, at the time of their first contact with Europeans, Native Americans in the northeaste...

TF阅读真题第849篇Azolla and Climate in the Arctic and Europe

TF阅读真题第845篇Urbanization of Japan

TF阅读真题第813篇when honeybees become foragers

TF阅读真题第860篇Roman Portraits

TF阅读真题第796篇Hermit Crabs in Snail Shells

The Deforestation of England Today's typical English countryside of rolling green fields and few trees did not evolve naturally. England was originally wooded. Forests of oak and ...