We are not here to advocate for the arms industry or its CEOs, writes STEVE HANDFORD, and that means we must take a stand against the government’s spending on war
Just what the doctor (dis)ordered?
New research uncovers the structure of the crystals inside Pepto-Bismol, write ROX MIDDLETON, LIAM SHAW and JOEL HELLEWELL

PEPTO-BISMOL, the US antacid drug, was first marketed in New York at the turn of the 20th century.
Its active ingredient is bismuth subsalicylate, technically a “salt” of bismuth. Bismuth salts have been known for their use in treating stomach upsets and bowel problems for centuries.
The medicine is effective for mild stomach ulcers, diarrhoea, and indigestion. One of the most surprising things about it is that it’s not known how bismuth subsalicylate actually works.
More from this author

A small Japanese trial has reported some positive results for stem cell therapy to treat spinal-cord injuries

Man-made canals like Panama and Suez face unprecedented challenges from extreme weather patterns and geopolitical tensions that reveal the fragility of our global trade networks, write ROX MIDDLETON, LIAM SHAW and MIRIAM GAUNTLETT

It’s sunny times for the solar industry which is expected to continue to grow rapidly — but there are still major environmental issues with how solar cells are made, explain ROX MIDDLETON, LIAM SHAW and MIRIAM GAUNTLETT

Fraud in Alzheimer’s research raises difficult questions about the current state of science, write ROX MIDDLETON, LIAM SHAW and MIRIAM GAUNTLETT