Fact Check
<div>No, mussels don’t shut off Warsaw’s water supply if they sense toxins — but they help monitor it</div>
Since 2009, mussels have played a key role in Warsaw, Poland's biomonitoring system.
Fact Check
Examine the evidence behind the headlines, rumors and claims.
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Fact Check
RFK Jr. Misleads on Vitamin A, Unsupported Therapies for Measles
In the midst of a growing measles outbreak in Texas that has killed one child, Health and Human Services Secretary Robert F.…
Fact Check
Fact-checking Trump on February job numbers: manufacturing, auto industry and native-born workers
President Donald Trump touted February monthly job gains, mentioning manufacturing, the auto industry and jobs for native-born workers. Some of his talking…
Fact Check
<div>25 rumors we’ve investigated about Pope Francis</div>
The pope was hospitalized with bronchitis on Feb. 14, 2025, and later developed double pneumonia.
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Why claims that DOGE ended a lease on Obama’s Chicago presidential library are misleading
DOGE said it’s ending the lease on an Illinois site that houses records and artifacts for the Barack Obama Presidential Library. The…
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DHS ends ban on intelligence activities targeting people for sexual orientation, gender identity
The policy manual change emerged after President Donald Trump called to eliminate diversity, equity and inclusion practices at federal agencies.