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A harbor porpoise surfaces near the Golden Gate Bridge.

Science

Marine Biologists Solved a Wildlife Mystery From the Walkway of the Golden Gate Bridge: How the Harbor Porpoise Mates

The dolphin-like marine mammals returned to San Francisco Bay in 2008 after a decades-long absence from the area. Scientists took the rare opportunity to closely observe their behavior, and what they uncovered might help at-risk porpoise populations

Madeline Bodin

"Kiama Library" is stamped on the book's title page.

Smart News

This Library Book Was 150 Years Overdue. Fortunately for the Man Who Just Returned It, Librarians Won’t Be Enforcing a $20,000 Late Fee

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Smithsonian magazine Summer 2026 issue cover
The “Ether Dome” at Massachusetts General Hospital is now a National Historic Landmark.
Science Theater of Relief
Medical procedures used to be a scream-filled endurance test until doctors at this Boston institution learned to tame the pain of patients
The view from Olana State Historic Site in Hudson, New York.
Travel Rediscovering America’s Original Grand Tour
Follow along as we retrace the route one journalist laid out in “The Fashionable Tour,” from New York City to Niagara Falls, when memories of the fight for independence were still fresh
Missing Caption
History How to Build a Character
Silence Dogood. Richard Saunders. Benevolus. Sidi Mehemet Ibrahim. All were pen names that allowed Franklin to say things he couldn’t have otherwise said

Photo of the Day

An incredible view in Mont Rochelle Nature Reserve overlooking the dramatic Wemmershoek Valley and dam by the same name.

Kingdom of Rochelle

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