The creation of part-human, part-monkey embryos will discomfit many
But the potential benefits outweigh the risks
![](https://www.economist.com/cdn-cgi/image/width=1424,quality=80,format=auto/sites/default/files/images/2021/04/articles/main/20210417_ldd010.jpg)
PHYSICS IS FAMOUS for mind-bending ideas. Subatomic particles can be in many places at once. The flow of time depends on how fast you are moving. But because such ideas are confined to the realm of the invisibly tiny or the inhumanly vast, most people regard them as little more than diverting curiosities.
This article appeared in the Leaders section of the print edition under the headline “Softly, softly”
Leaders April 17th 2021
More from Leaders
![](https://www.economist.com/cdn-cgi/image/width=1424,quality=80,format=auto/content-assets/images/20240914_LDP502.jpg)
Mario Draghi’s best ideas are those Europe finds least comfortable
The danger is that it picks the easy ones
![](https://www.economist.com/cdn-cgi/image/width=1424,quality=80,format=auto/content-assets/images/20240907_LDD004.jpg)
The Labour government’s worrying lack of ambition in Europe
Sir Keir Starmer is trapped by the mindset of the post-Brexit years
![](https://www.economist.com/cdn-cgi/image/width=1424,quality=80,format=auto/content-assets/images/20240907_LDP502.jpg)
A make-or-break moment for Mexico
In America’s biggest trading partner the rule of law and democracy are under attack
The real problem with China’s economy
The country risks making some of the mistakes the Soviet Union did
What to do about America’s killer cars
The country’s roads are nearly twice as dangerous as the rich-world average. It doesn’t have to be that way
How to deal with the hard-right threat in Germany
As extremists win more votes across Europe, forming moderate and effective governments is getting harder