http://news.discovery.com/earth/weather-extreme-events/earths-altered-geology-photos-140812.htm?utm_source=newsletter&utm_medium=email& ( Read more... )

. . . [Earthly life] may have reached a steady state of diversity some time ago! Scientists also learned that biological productivity - the total amount of living plant and animal tissue on Earth - appears to have been higher 200 million to 300 million years ago, when the planet was warmer and richer in atmospheric carbon dioxide than it is today ( Read more... )

Imagine a program so badly written that, upon being installed on a computer, immediately sets about trashing the platform. That is, suppose someone with a desktop PC on which is installed Windows XP installs an application on the computer which, upon being evoked, at once does everything it can to destroy Windows XP on that computer ( Read more... )