Clik here to view.
The Conservation of The Assassination of Archimedes
An old oil painting, painted on paper and mounted onto wood, is cleaned, retouched, and restored. Art conservator Julian Baumgartner of Baumgartner Fine Art Restoration in Chicago documents the sounds...
View ArticleThe Living Fossil Fish – Animated Life
In 1938, South African museum curator Marjorie Courtenay-Latimer came across a strange blue fin poking out of a pile of fish. With its fleshy, lobed fins and its tough armored scales, the coelacanth...
View ArticleClik here to view.
The Spanish City of Swords: Toledo
Toledo, an ancient walled city in central Spain, has been the center of sword making for thousands of years. The city’s weaponry history dates back to the Roman Empire, when emperors took a liking to...
View ArticleHow is duct tape made?
What is duct tape and why is it so strong? And is it duct tape or duck tape? From Insider, go inside a busy factory to see how layers of rubber for adhesive, a cotton cloth middle, and a backing made...
View ArticleClik here to view.
Reverse engineering the locomotion of a prehistoric reptile ancestor
You can tell a lot about an animal from the way it moves, which is why scientists have been recreating the movements of an extinct crocodile-like creature called Orobates pabsti. Orobates lived well...
View ArticleA brie(f) history of cheese
Before empires and royalty, before pottery and writing, before metal tools and weapons – there was cheese. As early as 8000 BCE, Neolithic farmers began a legacy of cheesemaking almost as old as...
View ArticleClik here to view.
Marian Anderson’s ‘defiant performance’ at the Lincoln Memorial
On April 9, 1939, legendary African-American contralto Marian Anderson sang at the Lincoln Memorial, a concert that was arranged after Daughters of the American Revolution organizers refused to let her...
View ArticleClik here to view.
Did an asteroid kill the dinosaurs?
Around 66 million years ago, all non-avian dinosaurs went extinct. Was the culprit a 6-mile wide asteroid that collided with Earth? Or did other factors contribute to the dinosaurs’ die-off?...
View ArticleClik here to view.
Matthew Henson’s historic expedition to the North Pole
Six men on dog sledges are in the record books for being the first to reach the geographic North Pole on April 6, 1909: Four Inuit guides named Egingwah, Ooqueah, Ootah, and Seeglo, and two long-time...
View ArticleClik here to view.
London’s historic Mail Rail ride
In the early 1900s, London’s busy streets caused serious delays in mail delivery. The solution: London’s Mail Rail, an underground network of tunnels with miniature electric trains that, at their peak,...
View ArticleBuilding a log barn in Limestone, Tennessee
Observe the diligent work it takes to raise a handmade log building—a two pen log barn with two 12×12 foot corrals for a horses or cows—with period drills, hammers, axes, saws, and other tools, likely...
View ArticleClik here to view.
The Locust Mystery and our perceptions of ourselves
Locusts have a long and storied history. This swarming winged insect is known as an agricultural pest, associated with infestations that ravage crops. They’ve caused food shortages and famine, and can...
View ArticleClik here to view.
The Problem with Concrete
Concrete is responsible for 8% of humanity’s carbon emissions because making its key ingredient – cement – chemically releases CO2, and because we burn fossil fuels to make it happen. What is concrete...
View ArticleMarian Anderson’s ‘defiant performance’ at the Lincoln Memorial
On April 9, 1939, legendary African-American contralto Marian Anderson sang at the Lincoln Memorial, a concert that was arranged after Daughters of the American Revolution organizers refused to let her...
View ArticleDid an asteroid kill the dinosaurs?
Around 66 million years ago, all non-avian dinosaurs went extinct. Was the culprit a 6-mile wide asteroid that collided with Earth? Or did other factors contribute to the dinosaurs’ die-off?...
View ArticleMatthew Henson’s historic expedition to the North Pole
Six men on dog sledges are in the record books for being the first to reach the geographic North Pole on April 6, 1909: Four Inuit guides named Egingwah, Ooqueah, Ootah, and Seeglo, and two long-time...
View ArticleLondon’s historic Mail Rail ride
In the early 1900s, London’s busy streets caused serious delays in mail delivery. The solution: London’s Mail Rail, an underground network of tunnels with miniature electric trains that, at their peak,...
View ArticleBuilding a log barn in Limestone, Tennessee
Observe the diligent work it takes to raise a handmade log building—a two pen log barn with two 12×12 foot corrals for a horses or cows—with period drills, hammers, axes, saws, and other tools, likely...
View ArticleThe Locust Mystery and our perceptions of ourselves
Locusts have a long and storied history. This swarming winged insect is known as an agricultural pest, associated with infestations that ravage crops. They’ve caused food shortages and famine, and can...
View ArticleThe Problem with Concrete
Concrete is responsible for 8% of humanity’s carbon emissions because making its key ingredient – cement – chemically releases CO2, and because we burn fossil fuels to make it happen. What is concrete...
View Article