Yellowstone sits above a spot in the Earth's mantle where columns of hot, molten rock called plumes rise to form volcanoes in the planet's crust. This spot is called a hotspot, and it creates atype of volcano not associated with a plate boundary. Yellowstone has produced three calderatypes...
There are still many problems of environmental protection in recent years. One of the most serious problems is the serious pollution of air, water and soil. the polluted air does great harm to people’s health. The polluted water causes diseases and death. What is more, vegetation had been ...
“This is a tour-de-force theoretical endeavor, bridging a longstanding gap between surface processes and processes deep in the Earth,” said Jun Korenaga, a professor of Earth and planetary sciences in Yale’s Faculty of Arts and Sciences, and co-author of a new study in the journalNature...
So 6.67 x 10-8 dyne is a miniscule force. When you deal with massive bodies like the Earth, however, which has a mass of 6 x 1024 kilograms (see How much does planet Earth weigh?), it adds up to a rather powerful gravitational force. That's why you're not floating around in ...
The ongoing vegetational change on the Tibetan Plateau, where pastoralism has been the predominant way of life, is of regional and global importance. Altho
If primordial black holes were indeed formed soon after the Big Bang, looking for Hawking stars could be one way to find them. “Even though the Sun is used an exercise, there are good reasons to think that Hawking stars would be common in globular clusters and ultra-faint dwarf galaxies,...
It is the first nonwhite, non-Western country to reach this status since the 1600s. The determination of this country is indescribable. Supernatural. There is no force that can stop it from accomplishing anything it wants to do. Forty years ago a flush toilet in China was a luxury. Today...
With four dead and a mess at Altamont, Rolling Stone tries to get to the bottom of what really happened at the festival.
If this is true, why do I have to wait half an hour for a bus nearly every day? The rules say that if there are empty seats on a bus, the bus must stop at every stop where people are waiting Why do the half-empty buses go straight(一直)past me when I am standi...
2 Scanning and Sensemaking Despite the important role of organizational processes and behavior (OB) to this book, we have to come clean from the start with a basic truth: Even good OB won't save bad strategy. The links between the two are so strong that the converse is true: A great...