Lunar quakes were discovered during the Apollo missions, and found to be of several types, but the actual source for each of them has eluded scientists so far, given that our natural satellite has no record of tectonic activity. And if we are ever to have a stable base on the Moon's surface, one that can take in... |
24 November 2008
16:01 GMT |
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This is the third article related to the priority of the Moon over Mars and vice versa, as the next target of the space program. First, it was clear that the Moon would provide a good place to start, since it's the closest and more accessible cosmic body that we can get to, and could also give astronauts a ... |
19 November 2008
09:32 GMT |
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Google and Virgin Group have just signed a deal in order to launch Virgle Inc., a joint venture supposed to help the two companies reach an incredible goal: establish and maintain human communities on Mars. According to a press release rolled out by Google, the Virgle plan starts with the Virgle Pioneer selection, ex... |
1 April 2008
04:36 GMT |
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One of the most interesting shows offered by nature in tropical South America is represented by the leaf-cutter ants (Atta). A sole colony can leave a tree leafless in just one night. But these ants are real farmers, which do not eat the leaves, but use them for making compost for cultivating fungi in their undergrou... |
25 March 2008
05:57 GMT |
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An ant colony contains one or several fertile females called queens, which lay eggs and sterile workers, which are also females. In northern areas, during spring, from a few eggs in 35-45 days sexual flying individuals are formed, males and females. The flying individuals go out on a warm wet day. They mate, but only... |
25 October 2007
15:11 GMT |
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We go to the doctor to have a baby when we decide we want one. And the new techniques also detect the sex of our embryo baby and eventual genetic diseases. But animals cannot appeal to technologies and they still need a way of regularizing their populations. That's especially important in the case of the species... |
26 May 2007
04:04 GMT |
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That's a real sacrifice: a lot of work and no sex at all...The social insects, like bees, wasps, ants or termites, offer some of the most interesting examples of altruism in the natural world: the sterile individuals from the workers' cast renounce to their own reproduction for the greater good of the colon... |
12 April 2007
09:28 GMT |
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