Women Scientists From The United States

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April 10, 2026

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"Large s are currently facing severe threats and are experiencing substantial declines in their populations and geographical ranges around the world (Ripple et al., 2014). Human-wildlife conflict is a risk to 31% of the global carnivore species (, 2016). The vast majority of Namibia's cheetahs (Acinonyx jubatus) (over 90%) and other large carnivores reside outside of s. Namibia is made up of a mosaic of land uses which includes both privately owned mixed livestock and wildlife unfenced farms, fenced game farms, and open communal and commercial conservancies. Fences are meant to protect however; fences have an ecological impact by blocking migration movements especially in arid ecosystems. The fences confine individuals in turn carnivore abundance may exceed their available resources leading to a potential rapid decline of the population or local extinction. Commercial farmers have utilised game fences to keep and protected their game which equates to their livelihood. However, game fenced farmers catch more cheetahs than that of livestock farmers (Marker et al. 2010). As more game fences are erected, the rate of human-wildlife conflict has increased, which is an issue not only for the cheetah but all large carnivores across Namibia."

- Laurie Marker

• 0 likes• non-fiction-authors-from-the-united-states• environmentalists-from-the-united-states• university-of-oxford-alumni• zoologists-from-the-united-states• women-scientists-from-the-united-states•
"Looking from the astrobiology perspectives, life on Earth started early—just about as soon as it could. The more we learn about the origin of life, the more we realize it may be a likely outcome any time you have the right ingredients. However, if you look at the history of life on Earth, let’s say you put it on a twelve-hour clock, up until four o’clock it was just a world of microorganisms, from four to five o’clock that’s the era of plants coming onto land and animals and creatures in the sea, then after five o’clock until about ten o’clock this will be a world of only microorganisms again. So, in fact, our planet is in its late middle ages in terms of life on the surface. Then from ten o’clock until about midnight, the world will be completely desolate, devoid of life as the sun is running out of its nuclear fuel in the center and its outer atmosphere is expanding. The point is that our world has had big life for only a small slice of its existence and the portion of that which has had technology is even smaller. I think life is presumably abundant everywhere; the most common form is likely going to be microbial life. In addition, the distances are so vast that unless other civilizations have developed both a means of crossing those distances quickly and the desire to do so, plus the energy capability, I don’t know if we’ll see alien intelligence in our lifetime."

- Unknown

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