文章列表

• 1.Earth and Sky:Amazon Trends 亚马逊河流域
• Amazon Trends 亚马逊河流域 More than 1/3 of Earth's species -- and about 30% of the total living plants and animals on Earth -- live in the Amazon. Di...
• 2.Earth and Sky:Plants vs. Insects 植物和昆虫
• Plants vs. Insects 植物和昆虫 New research is shedding light on one of the longest running battles of all time -- the war between plants and insects. ...
• 3.Earth and Sky:Greatest Brilliancy 金星光辉最大之时
• Greatest Brilliancy 金星光辉最大之时 The planet Venus now shines as a eerily brilliant light low in the western twilight sky. We'll talk about why Ven...
• 4.Earth and Sky:Electric Fish 发电鱼
• Electric Fish 发电鱼 One way that Harold Zakon and his team find fish to study is to put electrical detectors into the bottom of murky streams in Vene...
• 5.Earth and Sky:Estrogen Mimics 雌性激素
• Estrogen Mimics 雌性激素 It may not surprise you that pollution from chemical plants and farms can harm fish. But there's growing evidence that we're ...
• 6.Earth and Sky:King of Beasts 狮子
• King of Beasts 狮子 Even skywatchers connect lions with royalty. For example, the brightest star in the constellation Leo the Lion is called Regulus -...
• 7.Earth and Sky:Harvest Moon 秋分前后之满月
• Harvest Moon 秋分前后之满月 Right now, as seen from the northern hemisphere, the ecliptic -- or path of the sun, moon and planets -- makes a narrow an...
• 8.Earth and Sky:Aqua Technology 水资源监测科技
• Aqua Technology 水资源监测科技 A new weather-monitoring satellite has been 30 years in the making, and some researchers think it's worth the wait. We'...
• 9.Earth and Sky:Forests and CO2 森林和二氧化碳
• Forests and CO2 森林和二氧化碳 The amount of fossil fuel emissions released into the atmosphere has steadily risen since the Industrial Revolution. Bu...
• 10.Earth and Sky:Amazon GIS 亚马逊地理信息系统
• Amazon GIS 亚马逊地理信息系统 In the Amazon, there's a growing human population in a region that also contains 30% of Earth's total plants and animals...