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On the shores of the west coast of Australia lies a window to our past: the stromatolites and microbial mats of Gathaagudu (Shark Bay).
Source
Phys.org
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Over the past few decades, a collaboration of St. Louis regional groups have partnered to be good stewards of Forest Park, one of the largest urban parks and wildlife areas in the country. Organizations such as Forest Park Forever have restored habitat, while scientists with the Saint Louis Zoo have partnered with conservation groups and universities, including WashU, to monitor wildlife populations.
When Jasper Baur was a freshman at New York's Binghamton University, his interests centered on earth sciences. Then he got involved in a seemingly unrelated pursuit: harnessing drone-mounted geophysical instruments to aid in the slow, dangerous work of detecting land mines.
Nicotine, a potent insecticidal alkaloid unique to the nightshade family, has been employed in agriculture as a pesticide since 1690. It also has therapeutic potential for neurological disorders such as Alzheimer's disease, Parkinson's disease, and depression. Despite its profound influence on human history, agriculture, and plant evolution, however, the final steps of nicotine biosynthesis have remained unclear until now.
We associate nests with shelter, warmth, and a safe retreat—and usually picture a bird's nest made out of twigs, grass and feathers. Yet many other animals take advantage of such refuges, with nests being built by a diversity of species ranging from termites to great apes, which impress with their hugely varied forms and the wide array of materials used to construct them.
