Water lettuce forms dense mats on the water surface. This can reduce light penetration and oxygen levels in the water, negatively affecting all aspects of aquatic life.
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Articles on Weevils
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Biological and chemical substances are the most common food contaminants and account for over 200 food-borne illnesses.
Nigerians are fond of beans but they need to preserve them without using toxic chemicals.
Researchers realised a dull-looking 13,000-year-old weevil was actually covered in brilliant green, blue and yellow nanoscopic crystals.
Champagne celebrations with a new species discovery for beetle scientists may not be the best move – you’d be drunk all the time. But it’s still important work.
Top contributors
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Senior Lecturer in Environmental Earth Science, Deakin University
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Professor, Palaeobiology, University College Cork
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Postdoctoral Researcher, School of Biological, Earth and Environmental Sciences, University College Cork
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Deputy Director of the Centre for Biological Control at Rhodes University and Biological Control and Freshwater Alien Invasive Species Management, South African Institute for Aquatic Biodiversity
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Postdoctoral Research Scientist, African Population and Health Research Center
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Lecturer , Federal University of Agriculture, Abeokuta
