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One of world s last two northern white rhinos withdrawn from breeding program

Scientists striving to save the northern white rhino from extinction have announced their decision to retire one of the world’s last two individuals from their assisted breeding program. The BioRescue consortium resolved to stop harvesting eggs from 32-year-old Najin following an in-depth ethical risk assessment that took many factors into consideration, including her age, reproductive […]

Cryptic sense of orientation of bats localised: the sixth sense of mammals lies in the eye

Credit: Photo by Oliver Lindecke Mammals see with their eyes, hear with their ears and smell with their nose. But which sense or organ allows them to orient themselves on their migrations, which sometimes go far beyond their local foraging areas and therefore require an extended ability to navigate? Scientific experiments led by the Leibniz Institute for Zoo and Wildlife Research (Leibniz-IZW), published together with Prof. Richard A. Holland (Bangor University, UK) and Dr. Gunārs P?tersons (Latvia University of Life Sciences and Technologies) now show that the cornea of the eyes is the location of such an important sense in migrating bats. If the cornea is anaesthetised, the otherwise reliable sense of orientation is disturbed while light detection remains unimpaired. The experiment suggests the localisation of a magnetic sense in mammals. The paper is published in the scientific journal

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