The okapi’s story reveals how Indigenous knowledge shaped its discovery, while colonialism, mining and conflict now threaten this remarkable rainforest animal.
Articles on Infrasound
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Elephants can be viewed as geological engineers that create minor tectonic forces on the substrate they walk on.
When a sound is made, it spreads. And when it hits a hard surface that is far away, it bounces back and comes back to where the sound was made. That’s what we call an echo.
At the centre of claims about wind farms allegedly causing health problems is the infrasound that wind turbines generate as they turn in the wind. Infrasound is sound below 20Hz, which is generally inaudible…
