The collection reads as a mixed, research-focused discussion about the claim that humans can discriminate over 1 trillion olfactory stimuli. Several posts express curiosity and cite sources (Bushdid et al. 2014; PubMed links; an erratum), while others simply share the headline or related discussions. The tone is cautious but intrigued, with technical references and cross-language mentions. Word choice like “mindboggling,” “dimensionality of odor space,” and explicit citations shape a thoughtful but not confrontational conversation. Overall, the discourse treats the article as part of ongoing scientific dialogue, rather than a heated debate.
AgreementNeither agree nor disagree
Overall neutral to mildly curious sentiment; no explicit endorsement or rejection of the article’s claim is strong.
InterestModerate interest
Many posts show curiosity, cites sources, and references related work, indicating notable interest.
EngagementModerate engagement
Responses range from simple acknowledgments to references and retweets, showing moderate engagement but not deep debate.
ImpactModerate impact
The posts acknowledge the finding and its significance, with some skepticism or calls for verification, suggesting a moderate perceived impact.
Abstract in brief
Humans can discriminate over 1 trillion different olfactory stimuli, far exceeding previous estimates and demonstrating the incredible capacity of our sense of smell.
While humans can distinguish millions of colors and hundreds of thousands of tones, the number of observable olfactory stimuli was previously unknown and often underestimated.
The study showed that the human olfactory system, with its many receptors, is exceptionally good at differentiating a vast array of odor mixtures, highlighting its superiority compared to other senses.]
Onbinden fazla kokuyu aldığı düşünülen insanın, kokuları oluşturan moleküllerin kimyasal yapısı ve koku alma reseptörleri arasındaki ilişkiler ortaya konularak 1 trilyondan daha fazla kokuyu ayırtedebildiği ortaya konmuştu. #olfactory https://t.co/11e5mzP8Lw
これ気になったのでいろいろ調べてみた
まず、ヒトが一兆の異なる匂いを判別できると主張した論文はBushdid et al., 2014
https://t.co/TXylusl1aR https://t.co/iYAfPVNZiW
Aug 25, 2025 · 4 likes · 2,996 followersView post →
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DisruptiveConcepts
@DisruptConcept · X
Humans Can Discriminate More than 1 Trillion Olfactory Stimuli
https://t.co/zExmpIlypJ
Mar 17, 2024 · 2 likes · 2,903 followersView post →
TG
Tessa Green
@the_tessallator · X
@xuanalogue Loosely related--you might enjoy this argument about the dimensionality of odor space https://t.co/SMmJa3Veis
https://t.co/rqyyAPJqa2
both taking issue with DOI: 10.1126/science.1249168
Jun 7, 2022 · 1 like · 1 share · 874 followersView post →
XY
xuan (ɕɥɛn / sh-yen)
@xuanalogue · X
RT @the_tessallator: @xuanalogue Loosely related--you might enjoy this argument about the dimensionality of odor space https://t.co/SMmJa3V…
Jun 7, 2022 · 1 share · 8,667 followersView post →
RM
Rishab Gupta, MD
@RishabGupta_84 · X
Mindboggling number if true: https://t.co/EEDcTVmbx8
This video reviews literature on hop blend aroma chemistry and discusses methods to optimize hop aromas in beer. It covers aroma compounds, processing techniques, and synergistic effects to improve beer flavor profiles.
Humans can discriminate over 1 trillion different olfactory stimuli, far exceeding previous estimates and demonstrating the incredible capacity of our sense of smell. This video explores why individual perceptions of…
It was once believed that humans could smell only around 10,000 scents. Research from Rockefeller University now suggests we can detect over 1 trillion different odors. This highlights the extraordinary capacity of our…
Your nose is amazing. Humans can discriminate more than 1 trillion olfactory stimuli, showcasing the incredible capacity of our sense of smell and its ability to differentiate a vast array of odor mixtures.
Your nose is more powerful than you think. Explore the biology of smell, its connection to emotion and memory, and how scent influences human evolution, emotional well-being, and cognitive function. Olfactory training…
We can discriminate well beyond previous estimates, with the olfactory system distinguishing an immense array of odor mixtures. This video explains how our nose and receptors enable superior scent discrimination…
Jeong, S. K., Xu, Y. (2016). Behaviorally relevant abstract object identity representation in the human parietal cortex. J Neurosci 36:1607-1619.
Asari H, Meister M (2012). Divergence of visual channels in the inner retina. Nat Neurosci 15:1581-9.
Rao RPN, Ballard DH (1999).
Ref: Source: Bushdid, C., Magnasco, M. O., Vosshall, L. B., & Keller, A. (2014). Humans can discriminate more than 1 trillion olfactory stimuli. Science, 343(6177), 1370-1372. doi:10.1126/science.1249168
@brusicor02 @universcience @palaisdecouvert J’avais raconté cette histoire en cours de Master et une des étudiantes était partie aux US a NY en s’interressàt au problème. Elle avait fait une étude remarquable ici: https://t.co/R3Nnnzyf4i
Onbinden fazla kokuyu aldığı düşünülen insanın, kokuları oluşturan moleküllerin kimyasal yapısı ve koku alma reseptörleri arasındaki ilişkiler ortaya konularak 1 trilyondan daha fazla kokuyu ayırtedebildiği ortaya konmuştu. #olfactory https://t.co/11e5mzP8Lw
RT @the_tessallator: @xuanalogue Loosely related--you might enjoy this argument about the dimensionality of odor space https://t.co/SMmJa3V…
Jun 7, 2022 · 1 share · 8,667 followersView post →
TG
Tessa Green
@the_tessallator · X
@xuanalogue Loosely related--you might enjoy this argument about the dimensionality of odor space https://t.co/SMmJa3Veis
https://t.co/rqyyAPJqa2
both taking issue with DOI: 10.1126/science.1249168
Jun 7, 2022 · 1 like · 1 share · 874 followersView post →
P
PaulRVParenz
@paul_rvp · X
Humans Can Discriminate More than 1 Trillion Olfactory Stimuli https://t.co/XUQOjwEz5r
Science, 343(6177), 1370–1372. https://doi.org/10.1126/science. 1249168 * Meister, M. (2020). On the dimensionality of odor space. eLife, 9, e57221. * Bak ...
Humans Can Discriminate More than 1 Trillion Olfactory Stimuli
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