Researchers identify harmless algae behind bloom at Lincoln Memorial Reflecting Pool

An aquatic ecologist at George Mason University found the bloom consists primarily of Desmodesmus, a common green algae that does not produce toxins.

Archive

This is a stored Optics snapshot.It preserves the source map and wording analysis from 6/21/2026, 4:07:58 AM.

30-SECOND READ

What happenedAn aquatic ecologist at George Mason University found the bloom consists primarily of Desmodesmus, a common green algae that does not produce toxins.

What changedThe center frames it as "Researchers identify harmless algae behind bloom at Lincoln Memorial Reflecting Pool". The right frames it as "Pro-Algae Eco Activists Oppose the Cleanup of the Lincoln Memorial Reflecting Pool".

ConfidenceLow. Two-source or narrow-bucket comparison.

Archive healthDeveloping · 2 sources · 2 buckets

WORDING GAP

66WORDING GAP

2 sources · 2 bias buckets · Low confidence

Still Watching. The center frames it as "Researchers identify harmless algae behind bloom at Lincoln Memorial Reflecting Pool". The right frames it as "Pro-Algae Eco Activists Oppose the Cleanup of the Lincoln Memorial Reflecting Pool".

SOURCE MAP TIMELINE

Jun 20, 9:05 PM: PJ Media joined the source map.

Jun 20, 11:23 PM: WUSA9 (Tegna, Washington DC) joined the source map.

Now: Wording Gap is 66/99 and story health is developing · 2 sources · 2 buckets.

ARCHIVED SOURCES

Center ·News report

WUSA9 (Tegna, Washington DC)3h ago

Researchers identify harmless algae behind bloom at Lincoln Memorial Reflecting Pool

researchersidentifyharmlessalgaebehind

An aquatic ecologist at George Mason University found the bloom consists primarily of Desmodesmus, a common green algae that does not produce toxins.

Open source

Right ·News report

PJ Media6h ago

Pro-Algae Eco Activists Oppose the Cleanup of the Lincoln Memorial Reflecting Pool

pro-algaeactivistsopposecleanup

Open source