Life as Instrument: Some Recent Histories of Research Organisms and Their Relevance to the History of Wildlife Radio-Tracking.

作为手段的生活：研究有机体的一些新近记载及其与无线电追踪野生动植物的关联。

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Radio-tracking usually requires the tedious grind of following animals around in a vehicle and noting their positions by hand.

ECONOMIST: Elephant behaviour

On May 8th, Iain Douglas-Hamilton, the chairman of Save the Elephants, a conservation charity, announced the latest findings of his pachyderm radio-tracking project.

ECONOMIST: Elephant behaviour

Satellites beyond Earth use radio waves for tracking and communication, but the moon satellite is the only one to rely on lasers for tracking, NASA said.

CNN: STORY HIGHLIGHTS