2025-04-18
24 分钟The Economist.
Hello and welcome to The Intelligence from The Economist.
I'm Jason Palmer.
And I'm Rosie Bloor.
Every weekday we provide a fresh perspective on the events shaping your world.
Asia has always been a strong market for gold.
But recent numbers really show just how strong it is.
We look past the cultural reasons for the love affair seeking the hard-nosed economic ones.
And you may think of New Zealand as a blissful Middle Earth awash with natural wonders.
But some New Zealanders are actually getting a bit sick of the country,
and the number of emigrants is rising.
Our correspondent finds out why.
But first, genes are the building blocks for all living things.
By altering genetic code, you'd change an organism.
For decades, scientists have been trying to do just that.
But the techniques were often slow, expensive or imprecise.
13 years ago,
Jennifer Doudner and Emmanuel Chappontier found a way to borrow a form of molecular scissors from bacterial DNA.
These scissors allowed the scientists to cut out or paste in sections of DNA.
It meant they could change genes in highly specific and repeatable ways.