Science

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Kirk Olson / Ghost Crab

The health of the St. Johns River is generally improving, but scientists are concerned about some recent negative trends. Those are the takeaways from this year’s State of the River Report, presented Friday morning at the University of North Florida.

Lead scientists Radha Pyati and Lucinda Sonnenberg presented findings to a crowded ballroom at UNF’s Environmental Symposium. Sonnenberg, Director of the Millar Wilson Laboratory at JU, says the main takeaway is the need for more data.

Part 3 of the TED Radio Hour episode Amateur Hour.

About Julia Sweeney's TED Talk

Actor and writer Julia Sweeney says parenting has always made her feel like an amateur — but especially when her 8-year-old started asking some smart questions about animal reproduction.

About Julia Sweeney

People who fish and dive love it when the winds are light and the seas are calm.

Coral reefs, not so much.

That's because calm seas means sunlight can penetrate better and heat up the water. When sea temperatures pass a 30.4 degrees Celsius average for a month — that's 86.72 degrees Fahrenheit — corals start to bleach.

Peter Haden / WJCT

The St. Johns Riverkeeper announced Tuesday it plans to sue the Army Corps of Engineers over its proposal to deepen the St. Johns River.

The Army Corps of Engineers says dredging the St. Johns River is a positive economic move for Jacksonville, but St. Johns Riverkeeper Lisa Rinaman says its plan ignores the project’s deep environmental impact.

Set your alarm clocks. The Perseid meteor shower, the annual celestial lightshow that Space.com com calls the most widely observed and dependable meteor display of the year, will peak tonight and early tomorrow morning.

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