THE MAGAZINE OF THE ROYAL SOCIETY OF BIOLOGY www.rsb.org.uk TheBiologistVol 70 No 3 • Autumn 2023

INSIDE

TO CBD OR NOT TO CBD? Are high street cannabidiol products safe and effective?

CITY LIFE

Using hormones to track wildlife’s urban adaptations

FANTASTIC PHAGES An exclusive extract from The Good Virus

Tissue tech

A new method to ‘bioprint’ electronic circuits directly into flesh