14-09-28 Water was crucial to the rise of life on Earth and is also important to evaluating the possibility of life on other planets. Identifying the original source of Earth's water is key to understanding how life-fostering environments come into being and...
14-09-28 FIVE o'clock had hardly struck on the morning of the 19th of January, when Bessie brought a candle into my closet and found me already up and nearly dressed. I had risen half an hour before her entrance, and had washed my face, and put on my clothes...
14-09-26 A Virginia Tech geobiologist with collaborators from the Chinese Academy of Sciences have found evidence in the fossil record that complex multicellularity appeared in living things about 600 million years ago -- nearly 60 million years before skele...
14-09-04 Fox in a Tree Stump Judith Beveridge I gripped the branch and waited in a paddock that ran on over harder and harder earth. Leaving me with smoke and the stick to beat the fox, my uncle drove off. Terror barrel-rode through my stomach. I knew my unc...
14-08-06 Each year, on Mother Earth Day, we reflect on our relationship with the planet that supports us. The air we breathe, the water we drink and the soil that grows our food are part of a delicate global ecosystem that is increasingly under pressure from...
14-07-31 Earth and Mercury are both rocky planets with iron cores, but Mercury's interior differs from Earth's in a way that explains why the planet has such a bizarre(奇异的) magnetic field, UCLA planetary physicists and colleagues report. Measurements fr...
14-07-23 I had been a wood-cutter for more than a year, when one day I wandered further into the forest than I had ever done before, and reached a delicious green glade, where I began to cut wood. I was hacking at the root of a tree, when I beheld an iron ri...
14-07-23 As I had promised I prepared to do as I was told, and giving my hand to the lady, I escorted her, by the light of the moon, to the place of which the prince had spoken. We had barely reached it when he joined us himself, carrying a small vessel of w...
14-07-19 University of Southampton researchers have found that rainwater can penetrate below the Earth's fractured upper crust, which could have major implications for our understanding of earthquakes and the generation of valuable mineral deposits. It had b...
14-06-16 Researchers from Northwestern University and the University of New Mexico report evidence for potentially oceans worth of water deep beneath the United States. Though not in the familiar liquid form -- the ingredients for water are bound up in rock...