Query
Find articles
Pick a keyword, optionally a second one to combine it with (and, or, either but not both, or but not), then narrow the articles down by text, source and time range. Keywords update the results right away; filters apply with their button.
Query
How they overlap
Of the articles on each keyword in the last 7 days, with the same text and sources, how many also mention the other. Per lean: the share of its outlets' articles on chronic traumatic encephalopathy that mention National Football League.
100.0% of the 2 articles on chronic traumatic encephalopathy also mention National Football League, as do 1.3% of the 155 articles on National Football League.
- Left-leaning1 of 1 article
- 100.0%
- Least biasedno article on chronic traumatic encephalopathy
- –
- Right-leaning1 of 1 article
- 100.0%
Who picked it up when
NBC News mentioned it first (Oct 28, 2026, 11:01 AM EDT). Right-leaning outlets followed within the hour. No least biased outlet mentioned it.
One row per source with a matching article, from the most left-leaning on top: a dot for each article, on a bar for each stretch of its coverage (a pause of more than 24 hours starts a new one). Hover or tap a dot for the headline, click it to read the article.
Source lean:leftcenterright
Source leans by Media Bias/Fact Check.
Results
2 articles mention chronic traumatic encephalopathy and National Football League in the last 7 days (Oct 22 to Oct 28).
| Article | |||
|---|---|---|---|
| CBS News | Nearly 75% of ex-NFL players who died from 2008-2023 had CTE, study findsCBS News Nearly 75% of NFL players who died between 2008 and 2023 had CTE, a new study out of Boston University finds. | 0.85● | |
| NBC News | Study estimates 75% of NFL players who died over 15-year span may have had CTENBC News An estimated 75% of professional football players who died over a 15-year span had signs of chronic traumatic encephalopathy, or CTE, a study published Wednesday found. It’s the highest estimation to date. | 0.85● |
Source leans by Media Bias/Fact Check.
Narrow further
Other keywords in the matching articles: the share of them that mention each, with the number of articles. The search icon searches for chronic traumatic encephalopathy and that keyword instead of National Football League, keeping the text, sources, source type and time range.
Coverage by source
The share of each source's stories in the last 7 days that match the query, from left to right. Sort the table to reorder the bars.
Source lean:leftcenterright
Source leans by Media Bias/Fact Check.
| NBC News | 0.6% | 1 | 180 |
| CBS News | 0.2% | 1 | 463 |
Coverage by lean
The share of stories that match the query, in the last 7 days, averaged over the outlets of each political lean with at least 3 stories. The groups differ in size, so a single outlet weighs more in the smaller ones.
- Left-leaning1 of 15 sources
- <0.1%
- Least biased0 of 8 sources
- 0.0%
- Right-leaning1 of 15 sources
- <0.1%
Lean index −3.6: covered more by left-leaning outlets
Each outlet at its MBFC bias score, from −10 (far left) to +10 (far right), as high as the share of its stories that match the query. The lean index is the average score of the outlets covering it, weighted by that share.
lean indexour sources' average (+0.4)leftcenterright
Bias scores by Media Bias/Fact Check.
1 source has no MBFC bias score and is not shown.
Source leans based on ratings by Media Bias/Fact Check.