By Brian Clegg
Publish yr note: First released August twenty ninth 2006
According to a up to date survey, the preferred query approximately technological know-how from most people used to be: what got here earlier than the large Bang? we know on a few point what the massive Bang is, yet we don't know the way it turned the authorised thought, or how we'd comprehend what got here ahead of. In Before the large Bang, Brian Clegg (the seriously acclaimed writer of Upgrade Me and The God Effect) explores the historical past of this outstanding proposal. From the earliest construction myths, via Hershel's awareness that the Milky method was once one of the galaxies, to on-going debates approximately Black Holes, this is often a major examine the origins of the universe and the various theories that ended in the reputation of the large Bang. yet in vintage scientist style Clegg demanding situations the proposal of the "Big Bang" itself, and increases the deep philosophical query of why we'd are looking to reconsider the beginning of the universe. this is often renowned technological know-how at its top, exploratory, debatable, and totally engrossing.
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From the Hardcover version.
Extra resources for Before the Big Bang: The Prehistory of Our Universe
Impacts to wildlife from recreational activities include the intentional or unintentional harassment of wildlife, which changes their behavior, in turn altering predator–prey relationships or reproductive behavior (Knight and Cole 1995). Certain human activities have measurable stress impacts on wildlife. Snowmobiles cause physiological stress responses in elk and wolves, measurable by glucocorticoid levels in their feces, which can translate into reduced reproduction and fitness (Creel et al. 2002).
These influences (called edge effects) often extend for some distance into the habitat patch, with smaller fragments often having greater relative penetration. In fact, a very small fragment can be composed entirely of edge environment. Sprawl and its associated habitat fragmentation create abrupt boundaries between patches that dramatically increase the proportion and extent of edge habitat, with negative consequences for many sensitive species that are not able to thrive under such conditions.
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