The taste bud diagram, used in many textbooks over the years, originated in a 1901 study but was actually showing the sensitivity of different areas of the tongue.
To protect Australia’s iconic animals, scientists are experimenting with vaccine implants, probiotics, tree-planting drones and solar-powered tracking tags.
A veterinary nurse treats a koala infected with chlamydia at Currumbin Wildlife Hospital in Currumbin, Australia.
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