Robotic ammonites recreate ancient animals' movements

In a university swimming pool, scientists and their underwater cameras watch carefully as a coiled shell is released from a pair of metal tongs. The shell begins to move under its own power, giving the researchers a glimpse ...

Vegetation declining on elephants' migration routes in Namibia

A study based on extensive remote sensing data indicates that vegetation near the migration routes of elephants in Namibia has decreased. Human habitation and fences as well as artificial obstacles of other kinds affect the ...

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