Reading newspaper used to wrap fish may be useful to read news with less bias. Your own bias.
“Something smells fishy: Olfactory suspicion cues improve performance on the Moses illusion and Wason rule discovery task” indicates that exposure to fish smells may bring people to have less memory illusion and reduced confirmation bias.
One of the researchers, Eunjung Kim, of above paper has also studied this topic in his previous “Fishy Smells Improve Critical Thinking: Explorations of the Embodiment of Suspicion” work.