Lustrum of wild beasts, plural lustra ( ), a den of vice. Lustrum A lustrum (, plural lustra) was a term for a five-year period in Ancient Rome. The lustration was originally a sacrifice for expiation and purification offered by one of the censors in the name of the Roman people at the close of the taking of the census. The sacrifice was often in the form of an animal sacrifice, known as a suovetaurilia. These censuses were taken at five-year intervals, thus a lustrum came to refer to the five-year inter-census period. ' (from ', ) is a lustration or
How to Clone a Mammoth "The Quarterly Review of Biology", Derek D. Turner called the writing "careful, accessible, and thoughtful", while also pointing out that the book as a whole "conveys a sense of excitement about the science, but without the uncritical techno-optimism that one sees in many popular articles". Philip J. Seddon in an article for the journal "Trends in Ecology and Evolution" described the book as an "important contribution to the ongoing debate" by how it changed the focus on what de-extinction is about to "ecological resurrection, and not species resurrection". How to Clone a Mammoth How to Clone a Mammoth: The Science