Earth and Sky:By Jeff Swicord Sarah Creek, Mary

Scientists Working to Save Chesapeake Bay Oyster Population Chespeake Bay The Chesapeake Bay, on the Atlantic coast, is the largest estuary in the United States. It is famous for its seafood, especially crabs and oysters. However, in the last centur

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 Venus appears at greatest brilliancy this week -- on today's Earth and Sky. DB: This is Earth and Sky

Earth and Sky:By Lisa Bryant Paris

Paris Conference to Discuss Climate Change, Rising Oceans Some of the world's leading experts on oceans and climate change are meeting in Paris this week to discuss why oceans are rising, and where to channel scarce research funds to study the pheno

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 Venezuela. This works because certain fish emit pulses of electricity. Discover electric fish -- on tod

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 all hurting fish and frogs by what we flush down the drain. Discover estrogen mimics -- today on Ea

Earth and Sky:Water Cycle 水循环

Water Cycle 水循环 All the oceans on earth are salty, while inland water is typically fresh. How does water become salty? We'll answer a listener's question -- today on Earth and Sky. DB: This is Earth and Sky. We recently visited the Austin Childr

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. Plants may seem helpless, but they have complex chemical defenses. Plants vs. insects -- today on E

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. Discover a noted scientist's perspective on the perils and promise of this region -- today on Earth a

Earth and Sky:Acid Rain 酸雨

Acid Rain 酸雨 Damage from acid rain is widespread - not just in eastern North America, but throughout Europe, Japan, China, and Southeast Asia. Is the rain that's falling on your umbrella acidic? A listener's question -- on today's Earth and Sky. J

New Sci-Fi Thriller Sky Captain And The World of Tomorrow Ta

By Alan Silverman A new science fiction-adventure film uses computer-generated digital effects and scenery to re-create the look of a 1930's Saturday matinee. Alan Silverman spoke with co-star Angelin

Earth and Sky:Global Warming and Ozone 全球变暖和臭氧

Global Warming and Ozone 全球变暖和臭氧 Could the coming century bring a new threat to the ozone layer? Discover one scientist's model of the effect of global warming and greenhouse gases on ozone -- on today's Earth and Sky. DB: This is Earth and S

Earth and Sky:Moon and Jupiter 月球和木星

Moon and Jupiter 月球和木星 After traveling behind the sun for several months, the planet Jupiter is now visible again, just before sunup. Learn how to see Jupiter near the waning moon on Wednesday morning -- on today's Earth and Sky. JB: This is Ea

Earth and Sky:Titicaca Reedbeds 的的喀喀湖的芦苇地

Titicaca Reedbeds 的的喀喀湖的芦苇地 An ancient lake high in the mountains of South America holds lessons about indigenous peoples and sustainability. Discover Lake Titicaca -- today on Earth and Sky. DB: This is Earth and Sky. Lake Titicaca is high

Earth and Sky:Plant Signals 植物的语言

Plant Signals 植物的语言 Can plants smell and taste in the same way that animals do? Can they talk to each other and to insects? Learn how scientists hope to unravel some of the mysteries of plant senses -- on today's Earth and Sky. JB: This is Eart

Earth and Sky:Moon and Venus月球和金星

Moon and Venus月球和金星 The planet Venus is now low in the west after sunset. It's not up for long after the sun goes down, but it's very, very bright. Learn how to see Venus tonight near Earth's companion moon -- today on Earth and Sky. JB: This i

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'll speak with a scientist about the Aqua satellite -- on today's Earth and Sky. DB: This is Earth a

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 angle with the evening horizon. Learn more about the ecliptic -- and the Harvest Moon -- today on Ear

Earth and Sky:Galactic Rotation 银河系自转

Galactic Rotation 银河系自转 Astronomers calculate there is ten times more matter in our Milky Way galaxy than we can actually see. Discover how the orbital motions of stars in the galaxy reveal dark matter -- on today's Earth and Sky. JB: I'm Joel

Earth and Sky:Sierra Treeline 山脊树林

Sierra Treeline 山脊树林 Could global warming allow forests to expand into higher elevations than they have reached in more than a thousand years? Learn more about studying alpine treelines -- today on Earth and Sky. JB: This is Earth and Sky. The h

英语博客：Climb to the sky.

Every two weeks, on Wednesdays I meet up with a friend of mine, and go for a walk in the park. Today was that day, and though it was really rainy, we had a nice time walking and chatting. I took my camera just in case a photo opportunity presented it