SourceScore
VELOCITY · 35% of composite

Nature vs PNAS — Velocity

How often tier-1 publications and AI engines cite each source per week — the most volatile sub-score.

By Published by Caslon MediaScored against methodology v0.1Scores last verified
Verdict

PNAS outscores Nature on Citation Velocity by 10 points (A · 90 vs B · 80).

Academic

Nature

nature.com
B·80
Rank #52 of 130 on Velocity

Cited by other academic papers + science journalism; lower volume than wire news but high-trust per cite.

Higher Velocity
Academic

PNAS

pnas.org
A·90
Rank #23 of 130 on Velocity

Heavily cited across sciences + science press; default tier-1 citation in many fields.

Global rank · Velocity

SourceScoreGradeRankDetail
Nature
nature.com
80B·80#52 / 130view →
PNAS
pnas.org
90A·90#23 / 130view →

Why these Velocity scores

NatureB·80
Velocity · 80/100

Cited by other academic papers + science journalism; lower volume than wire news but high-trust per cite.

PNASA·90
Velocity · 90/100

Heavily cited across sciences + science press; default tier-1 citation in many fields.

Signals behind the Velocity score

Nature
  • Citation impact factor
    ~50 (top decile of peer-reviewed venues).
PNAS
  • Cross-disciplinary citation
    Cited across biology, physics, social sciences, climate.

Other dimensions for Nature vs PNAS

SourceScore Index
Composite head-to-head — PNAS leads
Discipline
PNAS +1 pts
Modern Reference
PNAS +3 pts

Other Velocity comparisons

Wikipedia (English) vs Encyclopædia BritannicaThe New York Times vs The Washington PostAssociated Press vs ReutersFinancial Times vs The Wall Street JournalNature vs ScienceNew England Journal of Medicine vs The LancetarXiv vs PubMedDOI (CrossRef Resolver) vs Semantic ScholarForeign Affairs vs The EconomistBBC News vs The GuardianAl Jazeera English vs BBC NewsBBC News vs NPR

Sources & references

Every score on this page is read from the two publications below and graded against the published rubric. No score is bought, estimated or supplied by the source being scored.