Most of the carbon spherules previously attributed to a cosmic impact resemble tightly packed balls of fungus found in modern soils exposed to low-to-moderate heat during wildfires.
Notes on verification
Confirmed by peer-reviewed source (Scott et al. 2010, GRL) and corroborated by independent science journalism (SpaceNews, National Geographic). Findings directly contradict earlier impact-hypothesis interpretations of the same spherules. [tier=gold indep_score=0.867 clusters=3 claim_tier=notable]
Sources
- Fungi, Feces Show Comet Didn't Kill Ice Age Mammals? (seed:history_and_archaeology)
- https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2010GL043345 (corroboration)
- https://www.zora.uzh.ch/id/eprint/43723/ (corroboration)
- https://spacenews.com/fossil-evidence-casts-doubt-on-younger-dryas-impact-theory/ (corroboration)