[
](https://www.economist.com/)
[
](https://www.economist.com/)
Subscribe to The Economist
Unlock unlimited access to all our award-winning journalism, subscriber-only podcasts and newsletters
Subscribe to The Economist
Unlock unlimited access to all our award-winning journalism, subscriber-only podcasts and newsletters
Science & technology | Pep tide
Illustration: Kyle Ellingson
Mar 11th 2026|12 min read
FIFTEEN YEARS ago, buying performance-enhancing drugs usually meant hanging around a bodybuilding gym until you met someone who knew someone. The deal could then be consummated in a quiet corner of the car park, in cash.
Or create a free account to unlock just this article
Perhaps less than its marketers say
They grow faster when their rivals are doing the same
Dense cities do not seem to have been necessary for outbreaks of the disease
Researchers have now confirmed how cacao plants are pollinated
That is bad news for a warming world
The pancreatic-cancer drug could be the first of an entirely new class of treatments