Volume 594 Issue 7862



News Features

News & Views

Squeezed light improves sensitivity of microscopy technique p.180

Vibrational signals from molecules can provide contrast in bioimaging techniques, but are difficult to detect. Light in a ‘squeezed’ quantum state has been used to reveal molecular vibrational signals previously obscured by noise.

doi: 10.1038/d41586-021-01514-w

Ancient human faeces reveal gut microbes of the past p.182

Appreciation is growing of how our gut microbes shape health and disease. Now, a study of ancient human faeces sheds light on how microbial populations in the gut have changed during the past 2,000 years.

doi: 10.1038/d41586-021-01266-7