13-05-29 A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into space as light and...
13-05-24 An amazing glow-in-the-dark cockroach(蟑螂) , a harp-shaped carnivorous(食肉的) sponge and the smallest vertebrate on Earth are just three of the newly discovered top 10 species selected by the International Institute for Species Exploration at...
13-05-20 What is the long-range weather forecast for the giant planets Uranus and Neptune? These planets are home to extreme winds blowing at speeds of over 1000 km/hour, hurricane-like storms as large around as Earth, immense weather systems that last for y...
13-05-10 At any given time, cirrus clouds(卷云) -- the thin wisps of vapor that trail across the sky -- cover nearly one-third of the globe. These clouds coalesce(使联合) in the upper layers of the troposphere(对流层) , often more than 10 miles above t...
13-05-03 Scientists from the Smithsonian and the University of Rhode Island have found unsuspected linkages between the oxidation(氧化的) state of iron in volcanic rocks and variations in the chemistry of the deep Earth. Not only do the trends run counter...
13-04-08 Global population data spanning the years from 1900 to 2010 have enabled a research team from the Autonomous University of Madrid to predict that the number of people on Earth will stabilise around the middle of the century. The results, obtained wi...
13-04-08 A structural biologist at the Florida State University College of Medicine has made discoveries that could lead scientists a step closer to understanding how life first emerged on Earth billions of years ago. Professor Michael Blaber and his team pr...
13-04-02 Earth is dynamic. What we perceive as solid ground beneath our feet, is in reality constantly changing. In the space of a year Africa and America are drifting apart at the back of the Middle Atlantic for some centimeters while the floor of the Pacif...
13-03-21 Scientists at Scripps Institution of Oceanography at UC San Diego have found a layer of liquefied molten rock in Earth's mantle that may be acting as a lubricant(润滑剂) for the sliding motions of the planet's massive tectonic plates. The discover...
13-03-08 It's among the most ancient of questions: What are the origins of life on Earth? A new experiment simulating conditions in deep space reveals that the complex building blocks of life could have been created on icy interplanetary dust and then carrie...