Dehorning rhinos tips the balance against poaching – new study

Timothy Kuiper, Nelson Mandela UniversityBlack and white rhino populations in the Greater Kruger (Kruger National Park and surrounding reserves) in South Africa have plummeted from over 10,000 rhinos in 2010 to around 2,600 in 2023. Hundreds of rhinos are killed each year by poachers for their horns. These are sold on the illegal global market. Nature reserve managers, rangers, international funders, and local non-profit organisations have invested millions of dollars in anti-poaching interventions. These include tracking dogs to track poachers, artificial intelligence-enabled detection cameras, helicopters to monitor reserves and, more recently, dehorning (removing rhinos’ horns reduces the incentive for poachers). To see if these were working, the Greater Kruger Environmental Protection Foundation set up a research project involving several reserve managers, rangers, and scientists from the University of Cape Town, Nelson Mandela University, University of Stellenbosch, and the University of Oxford. The South African National Parks, World Wildlife Fund South Africa, and the Rhino Recovery Fund were also involved. Together, managers and scientists gathered seven years of rhino poaching data across 2.4 million hectares in the north-eastern region of South Africa and western Mozambique. During this time, we documented the...
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This Common Fungus Found on Human Skin Wipes Out Deadly Superbug Staph Infections

University of Oregon researchers have uncovered a molecule produced by yeast living on human skin that showed potent antimicrobial properties against a pathogen responsible for a half-million hospitalizations annually in the US.It’s a unique approach to tackling the growing problem of antibiotic-resistant bacteria. With the global threat of drug-resistant infections, fungi inhabiting human skin are an untapped resource for identifying new antibiotics, said Caitlin Kowalski, a postdoctoral researcher at the UO who led the study.Described in a paper published last month in Current Biology, the common skin fungus Malassezia gobbles up oil and fats on human skin to produce fatty acids that selectively eliminate Staphylococcus aureus.One out of every three people have Staphylococcus aureus harmlessly dwelling in their nose, but the bacteria are a risk factor for serious infections when given the opportunity: open wounds, abrasions and cuts. They’re the primary cause of skin and soft tissue infections known as staph infections.Staphylococcus aureus is also a hospital superbug notorious for being resistant to current antibiotics, elevating the pressing need for new medicines.There are lots of studies that identify new antibiotic structures, Kowalski said, “but what was fun and interesting about ours is that we identified (a compound) that...
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