A molecule that until now existed only in theory has finally been made. 到目前为止，理论上存在的分子终于被制造出来。 Electrons can be pictured as orbiting around a central nucleus Known as a Rydberg molecule, it is formed through an elusive（难懂的...
Red pandas have surprised researchers by demonstrating a liking of artificial sweeteners. 研究人员惊奇的发现小熊猫喜欢人工甜味剂。 The research could fuel the development of better sugar substitutes The Journal of Heredity（遗传） research was inves...
一日三餐已经是我们习以为常的事情，可为什么是三餐而不是两餐或者五餐呢？这还要从一个古老的传说说起。 Hundred of years ago, man had a hard life and was never able to get enough to eat. Sometimes he ate every third day, sometimes only every fifth or six...
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...
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...
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...
Fire Cycle 火灾规律 The El Nino phenomenon of 1997-98 unleashed torrential rain in some parts of the world, while creating abnormally dry conditions in others. And it sparked record numbers of wildfires. Learn more about climate and wildfire -- toda...
Fire Regime 火 Fire was a creation of life -- born from oxygen and organic matter -- ignited by lightning. Thus fire has been a fundamental feature of the Earth for at least 400 million years. A scientist talks about fire -- today on Earth and Sky....
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...
Black and White黑与白 Sometimes you hear it said that white is a combination of all the colors of the rainbow -- and that black is the absence of color. Find out more about whether black and white are colors -- today on Earth and Sky. JB: This is Ear...
