Word: genus
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...memes,” self-replicating ideas that live in the heads of human beings. Memes compete with one another for the niches that biological evolution has created in our 1200cc of grey matter. As an illustrative example of this process, let us observe a well-adapted genus of memes to see how this memetic evolution works...
...course, some people are naturally conservative; they avoid taking a position whenever possible. They just don’t want to have to go out on a limb when they don’t know the genus of the tree. For these people, the vague generality must be partially junked and replaced by the artful equivocation, or the art of talking around the point...
...coexisting species back another million years, to between 3.5 million and 3.2 million years ago. That's right in Lucy's time. Yet it is so different from Lucy that they assign their fossil, which they call Kenyanthropus platyops, or "flat-faced man of Kenya," to a new genus, or grouping of species. "This means we will have to rethink the early past of hominid evolution," says Meave Leakey, head of paleontology at the National Museums of Kenya. "It's clear the picture isn't as simple as we had thought." Even Lucy's discoverer, Donald Johanson, director...
...viper venoms--particularly those from the genus Bothrops, of which the Central American terciopelo snake is a member--contain compounds that closely resemble substances used by white blood cells to fend off bacterial infections. Some of these substances work by damaging or disrupting lipids within the bacterial cell wall. A decade ago, microbiologists Edgardo Moreno, of Costa Rica's National University, and Bruno Lomonte, of the University of Costa Rica, realized that a muscle-destroying toxin in terciopelo venom behaved the same...
...course, some people are naturally conservative; they avoid taking a position whenever possible. They just don’t want to have to go out on a limb when they don’t know the genus of the tree. For these people, the vague generality must be partially junked and replaced by the artful equivocation, or the art of talking around the point...