Sour – News, Research and Analysis – The Conversation

There’s a scientific reason your OJ tastes funny after you brush your teeth. JGI/Tom Grill/Tetra Images via Getty Images

January 5, 2026

Why does orange juice taste bad after you brush your teeth?

Linda Bartoshuk, George Washington University

Sour acidic tastes turn bitter after you brush your teeth with toothpaste.

Researchers are increasingly learning that early diet can shape taste preferences but that our taste buds can also be trained to prefer healthier foods. RichVintage/E+ via Getty Images

June 16, 2023

Can we train our taste buds for health? A neuroscientist explains how genes and diet shape taste

Monica Dus, University of Michigan

Research is clear that what we eat can drive our test preferences as early as 2 years of age.

Hopefully, the pepperoni won’t get too jealous over its disc-shaped competitor’s moment in the sun. Ryzhkov/iStock via Getty Images Plus

August 25, 2022

What’s behind America’s pickle craze?

Kenneth Symsack, Colorado State University and Jeffrey Miller, Colorado State University

The pickle-obsessed can now order a pickle pizza with a side of pickle potato chips, wash it down with a pickle beer and have pickle ice cream for dessert.

Olivia Rodrigo performs at the Glastonbury Festival in June 2022. (AP Photo/Scott Garfitt)

July 18, 2022

In defence of the remix: Olivia Rodrigo’s promotional TikToks are relatable Gen Z self‑branding

Jess Rauchberg, McMaster University

Through stitches, duets and green screens, Olivia Rodrigo showcases the postmodern appeal of today’s popular music

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