地球上的生物物种具有多样性。直到21世纪初,人类已知的昆虫有100余万种,但仍有许多种类尚待发现。昆虫种类繁多、形态各异,属于无脊椎动物中的节肢动物,是地球上数量最多的动物群体,在所有生物种类中占了超过50%,它们的踪迹几乎遍布世界的每一个角落。比如生活中最常见的蜜蜂、黄蜂、甲虫、瓢虫、蜻蜓等,本系列纪录片以引人入胜的叙事方式,主要讲述了大自然中各种常见的昆虫的生活,让我们一起来欣赏吧。
探索19世纪起源于伯明翰和其他工业城市的群众帮派运动,并在20世纪初演变为现代帮派主义。
In 2004, football coach Bill Courtney took on the daunting job of coaching at Manassas High School in inner-city Memphis, where players are more likely to wind up in jail than in college. The Manassas Tigers were perennial whipping boys of the league, bereft of victories, funds, and morale. Courtney recruited a group of freshmen to turn things around, and in their first season they got creamed. But with each passing year they won more games and more respect. At the start of the season in 2009, Courtney set a goal: to win the first play-off game in the school’s 110-year history.