What’s in tattoo ink? My team’s chemical analysis found ingredients that aren’t on the label and could cause allergies

Some tattoo inks contain unlabeled materials that can cause allergic reactions.

John Swierk, Assistant Professor, Chemistry, Binghamton University, State University of New York • conversation
March 22, 2024 • ~7 min

Why are barns painted red?

Barns are practical buildings, designed to safeguard farm animals and equipment. Why are so many of them painted to stand out from the landscape?

Thomas Durant Visser, Professor of Historic Preservation, University of Vermont • conversation
Nov. 22, 2021 • ~6 min

How mutant zebrafish helped unlock the secret to their stripes – new research

We wanted to find out which biological phenomena are crucial for pattern formation and which are just incidental. These sorts of questions can be answered with mathematical modelling.

Christian Yates, Senior Lecturer in Mathematical Biology, University of Bath • conversation
July 28, 2020 • ~7 min

Blue dye from red beets – chemists devise a new pigment option

A simple chemical reaction turns the red pigment of beets into a new, nontoxic blue dye.

Erick Leite Bastos, Associate Professor of Chemistry, Universidade de São Paulo • conversation
April 3, 2020 • ~5 min

Blue dye from red beets – chemists devise a safer new pigment option

A simple chemical reaction turns the red pigment of beets into a new, nontoxic blue dye.

Erick Leite Bastos, Associate Professor of Chemistry, Universidade de São Paulo • conversation
April 3, 2020 • ~5 min

Blue dye from red beets

Chemists have turned the red pigment of beets into a new, nontoxic blue pigment.

Erick Leite Bastos, Associate Professor of Chemistry, Universidade de São Paulo • conversation
April 3, 2020 • ~5 min

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