Did Neil Ferguson really do wrong in breaking the coronavirus lockdown?

Lockdown requires that we all act as if we know nothing, even if we are world experts on disease transmission.

Stephen John, Senior Lecturer in Philosophy of Public Health, University of Cambridge • conversation
May 7, 2020 • ~6 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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