Centaurus A is a very active galaxy, whose core is currently producing a large number of stars. It is believed that, 200 to 700 million years ago, it collided with another similar structure, which it consumed. The remains of that galaxy are still being ground down in the core of the former, triggering a large number ... |
21 November 2009
02:32 GMT |
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Millisecond pulsars are the fastest spinning objects in the Universe, rotating around themselves up to tens of times per second. They are the remnants of supernova explosions, created by giant stars at the end of their burning cycle. But astronomers have found no intermediary stages in the life of a pulsar until now,... |
22 May 2009
13:41 GMT |
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Ancient Roman legends have it that Celtic druids were not the knights in shining armor everyone thought they were, and that they were actually blood-thirsty mystics, with an appetite for human sacrifices. At the time the old legends were discovered, however, the world had already formed an opinion of the wizards, and... |
23 March 2009
05:35 GMT |
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There is no law to prevent the manifestation of cannibalism. Against killing or physical assault, yes, but not against eating your own. Cases of cannibalism are constantly scandalizing the public, and every time this happens, everyone wonders what makes one embrace it and practice it. Human mind is a strange an... |
17 September 2008
10:18 GMT |
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There are some people who act like crazy in their search for sex. In many spiders, mating is a risky game, as the (usually) much bigger female will kill and eat the male during the mating process. In jumping spiders, sexes are quite similar in size, still the larger partner will eat the smaller. A new research made o... |
24 September 2007
14:06 GMT |
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We know chimps can be really nasty and male aggressiveness is already recorded in our closest species, including the male infanticide. But this goes too far: not only previously thought gentle females are equally aggressive, but it's a common practice to kill and eat the babies of other females. Scientists can o... |
15 May 2007
03:06 GMT |
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