What's the difference between sugar, other natural sweeteners and artificial sweeteners? A food chemist explains sweet science
Just because something is sweet doesn’t necessarily mean it is sugary. There are a number of molecules that taste sweet. To understand how and why takes a little bit of chemistry.
Kristine Nolin, Associate Professor of Chemistry, University of Richmond
• conversation
Jan. 5, 2022 • ~8 min
Jan. 5, 2022 • ~8 min
Preliminary research finds that even mild cases of COVID-19 leave a mark on the brain – but it's not yet clear how long it lasts
Reduced brain volume in people who have experienced COVID-19 resembles brain changes typically seen in older adults. The implications of these findings are not yet clear.
Jessica Bernard, Associate Professor, Texas A&M University •
conversation
Sept. 24, 2021 • ~8 min
Sept. 24, 2021 • ~8 min
Smelling in stereo – the real reason snakes have flicking, forked tongues
Two tongue tips are better than one – an evolutionary biologist explains why snakes have forked tongues.
Kurt Schwenk, Professor of Ecology and Evolutionary Biology, University of Connecticut •
conversation
June 16, 2021 • ~7 min
June 16, 2021 • ~7 min
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