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South Africa is home to many of the world's rhinos, but it's also a poaching hotspot.
Conservationists are coming up with creative solutions, and on What in the World,
we're going to be talking about how scientists are injecting radioactive substances into rhinos' horns.
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Hello and welcome to News Hour from the BBC World Service, coming to you live from London.
I'm Julian Marshall.
The news has reported on Chinese state television that Beijing is levying an extra 34% on US imports from the 10th of April.
Beijing's announcement comes in retaliation for the 34% surcharge President Trump announced would be levied on Chinese imports in the United States.
The US exported $144 billion worth of goods to China last year.
They'll still face a lower average tariff than goods going the other way.
So will the tariffs change Chinese buying habits?
These shoppers in Shanghai were asked whether the tariffs meant they'd buy fewer American products.
I used to buy some American products, but if the price increases, I might buy less.
I bought some street fashion brands, direct from the US, maybe to Hong Kong, and then transferred into China.
Now, the price will be even higher.
It depends on the situation.
After all, right now many Chinese electronic products are quite impressive,