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Desert Locusts form deadly Swarms

Why are locusts gathering in vast swarms across the Sahel region of Africa?

What is causing the usually solitary desert locust to gather in vast swarms across the Sahel region of Africa? Road traffic forecast programme that can predict traffic up to an hour ahead with 90% accuracy. International anti-doping scientists discuss the possibility of athletes resorting to "gene cheating" to enhance performance. Calculating the massive teenage growth spurt of Tyrannosaurus rex.

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23 minutes

大象传媒 World Service Archive

This programme was restored as part of the World Service archive project

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