What is methamphetamine or 'crystal meth'?

A history of the drug crystal meth.

Simon Cotton, Senior Lecturer in Chemistry, University of Birmingham • conversation
June 24, 2020 ~7 min

Tags:  chemistry  methamphetamines  crystal-meth

What is tear gas?

The chemical weapon, tear gas, was used in Washington DC, Los Angeles, Orlando and several other cities to control crowds protesting the death of George Floyd. But what is it? Does it cause harm?

Janice Chambers, Professor, College of Veterinary Medicine; Director, Center for Environmental Health Sciences, Mississippi State University • conversation
June 4, 2020 ~4 min

Tags:  chemistry  george-floyd  crowd-control  chemical-weapons-convention

Historical films may be decaying much faster than we thought thanks to 'vinegar syndrome'

Archives need to take action now.

Ida Rebecca Ahmad, PhD Candidate, Institute of Sustainable Heritage, UCL • conversation
May 19, 2020 ~7 min

Tags: chemistry film film-archives

A new type of chemical bond: The charge-shift bond

The laws and principles of chemistry seem pretty set in stone. But as a chemist explains, the field is always evolving, including such fundamental principles as what is a chemical bond.

John Morrison Galbraith, Associate Professor of Chemistry, Marist College • conversation
May 14, 2020 ~6 min

Tags: chemistry atoms electrons periodic-table

How does a baby 'breathe' while inside its mom?

A fetus needs oxygen long before its lungs work and it's exposed to the air. Some ingenious biochemistry explains how the mother's blood delivers it.

Julie Pollock, Associate Professor of Chemistry, University of Richmond • conversation
May 5, 2020 ~6 min

Tags: placenta baby chemistry pregnancy blood oxygen mother biochemistry hemoglobin breathing breath fetus

Plastic pollution: why chemical recycling could provide a solution

Even recycled plastics still end up in landfill with our current system.

Alvin Orbaek White, Senior Lecturer in The College of Engineering, Swansea University • conversation
April 21, 2020 ~6 min

Tags: chemistry recycling plastic plastic-pollution plastic-recycling

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

Tags:  chemistry  science  light  molecules  antioxidants  invention  mushrooms  pigment  blue  feathers  fair-use  dyes  colors  hair-dye

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

Tags:  chemistry  science  light  molecules  antioxidants  invention  mushrooms  pigment  blue  feathers  fair-use  dyes  colors  hair-dye

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

Tags:  chemistry  science  light  molecules  antioxidants  invention  mushrooms  pigment  blue  feathers  fair-use  dyes  colors  hair-dye

Hot curries, potato cheddar and muddy beetroot – some super surprising facts about your food

Three foods and some cool stuff you should know about them.

Joanna Buckley, Materials Chemist and Science Communicator, University of Sheffield • conversation
April 1, 2020 ~11 min

Tags:  chemistry  food  cheese  chilli

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