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...

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 ...

Temperate Plant Phenology   Phenology is the timing of growth and reproductive activity within a year, and it can vary greatly among plant species, populations, and even indiv...

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

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

TF阅读真题第848篇Wool production in Europe on the high Middle Ages