Science & technology | Sleep tight!

It’s not just Paris. Bedbugs are resurgent everywhere

Like bacteria, the insects are becoming resistant to the chemicals used to kill them

Bed bugs in the lab.
Image: Allen Brisson-Smith/The New York Times /Redux/Eyevine

TO ERNEST HEMINGWAY, Paris was a movable feast. To a bedbug, so are Parisians. In videos on social media, the seats of the city’s metro are seen swarming with bedbugs, tiny insects no bigger than an apple pip, which feed on human blood.

This article appeared in the Science & technology section of the print edition under the headline “Why bedbugs are everywhere”

From the October 21st 2023 edition

Discover stories from this section and more in the list of contents

Explore the edition

More from Science & technology

A person sat in a drinking glass full of ice

Are ice baths good for you?

They won’t hurt. Actually they might, a bit

A silhouette view of the peloton

Why carbon monoxide could appeal to the discerning doper

Professional cycling is debating whether to ban the poisonous gas


Drainage canals (linear features that drain into a small meandering river) seen from above.

A sophisticated civilisation once flourished in the Amazon basin

How the Casarabe died out remains a mystery


Heritable Agriculture, a Google spinout, is bringing AI to crop breeding

By reducing the cost of breeding, the firm hopes to improve yields and other properties for an array of important crops

Could supersonic air travel make a comeback?

Boom Supersonic’s demonstrator jet exceeds Mach 1

Should you worry about microplastics?

Little is known about the effects on humans—but limiting exposure to them seems prudent