Model of Henry Cavendish's Torsion Balance Gravitational Apparatus, 1798

The Strange Experiments of Henry Cavendish

Cavendish was an idiosyncratic scientist who conducted fascinating experiments, such as “weighing” the Earth and splitting water into its constituent elements.
"Fresh, red cloves grow on the branch, green leaves. Zanzibar, Tanzania"

Cloves: The Spice that Enriched Empires

Behind one humble spice lies a complex history of empires and profit, commodities and globalization.
Cyrano de Bergerac

The Seventeenth-Century Space Race (for the Soul)

The astronomical discoveries of the 1600s—such as Saturn’s rings—prompted new questions about the structure of the cosmos and humans’ place in it.
Illustration of a time when the Earth was being formed, known as the Hadean Period.

Crucial Building Blocks of Life on Earth Can More Easily Form in Outer Space

A special group of molecules, known as peptides, can form more easily under the conditions of space than those found on Earth.
The eclipse of Agathocles

How Astronomers Write History

Scientists’ approach to dating past eclipses changed when they stopped treating classical texts as authoritative records.
Total solar eclipse, May 29, 1919, at Sobral, Brazil

Bridging The Gap of War: Einstein’s Eclipse

Astronomer Arthur S. Eddington argued that astronomy should be above politics, even when politics leads to world war.
Nature Sets Her Hound Youth after the Stag (from The Hunt of the Frail Stag), circa 1495–1510

Reading “The Book of Nature”

Beginning in the Middle Ages, the natural world was viewed as a Christian parable, helping humans to give divine meaning to plants, animals, and the heavens.
Shrunken heads in the Wellcome Historical Medical Museum

Human Remains and Museums: A Reading List

Questions over their value for research conflict with the ethics of possessing the dead, especially when presenting human remains in the setting of a museum.
Adoration of the Magi with Saint Anthony Abbot

What was the Star of Bethlehem?

Never stop looking at the skies in wonder.
International Gemini Observatory/NOIRLab/NSF/AURA/B. O'Connor (UMD/GWU) & J. Rastinejad & W Fong (Northwestern Univ) Image processing: T.A. Rector (University of Alaska Anchorage/NSF’s NOIRLab), J. Miller, M. Zamani & D. de Martin (NSF’s NOIRLab)

Explaining GRB 221009A, the Greatest Cosmic Explosion Humanity Has Ever Seen

The brightest gamma-ray burst ever observed, GRB 221009A behaved in unexpected ways that might help us understand how they occur.