Change of teeth causes yo-yo effect in elephants' weight

The weight of elephants living in zoos fluctuates over the course of their adult lives in cycles lasting around a hundred months, researchers at the University of Zurich have found. The fluctuation is linked to the particular ...

Researchers answer a longstanding question about nematode teeth

Researchers at the Max Planck Institute for Biology in Tübingen have produced the first sound evidence that the teeth of the nematode Pristionchus pacificus consist of chitin. In doing so, they not only answer the long-standing ...

Rinsing system in stomach protects the teeth of ruminants

When they graze, goats, sheep and cows often ingest bits of earth that can be damaging to their teeth. Researchers from the University of Zurich have now shown how the animals protect themselves against dental abrasion: Their ...

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