Fatal facial cancer tumors have been ravaging the Tasmanian devil populations ever since the mid 1990s, killing up to one third of the total number of the world's largest surviving carnivorous marsupials in the last decade or so. The fatal devil facial tumour disease (which in Tasmanian devils is probably spread... |
15 July 2008
05:20 GMT |
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Female Komodo dragons do not need stem cell technology and genetic engineering to do it. They really can skip the male chapter in the case of breeding. Two Komodo dragons have hatched at the Sedgwick County Zoo, Wichita, Kansas, without the contribution of a male. These are the first dragons born by parthenogenesis i... |
11 February 2008
02:49 GMT |
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What you have is often not what you want. And this applies not only to human pairs. A new study made on several animal species found that when animals must mate with less-than-preferred partners, females and males apparently try to compensate that by increasing the chance of their offspring survival. The research sup... |
25 September 2007
06:00 GMT |
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Yes, testosterone is the male sex hormone that makes males muscular, aggressive and horny. But what happens when the female is a 'package' of testosterone? Not only 'fully loaded', but with higher amounts than males have?This is the case of the spotted hyena. In fact, the clitoris of the spotted h... |
16 August 2007
13:16 GMT |
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Being the hunk in the group surely brings a lot of sexual advantages for a male. For animals and for humans too. But a new research shows that having huge muscles comes with a severe downside. At least in hoofed mammals, large bucks and bulls have relatively small teeth, which wear out rapidly and impede their prope... |
25 July 2007
05:22 GMT |
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