Photomicrograph image of pyrrhotite under a reflected light ore microscope

Home Foundations Are Crumbling. This Mineral Is to Blame.

Pyrrhotite causes cracks in concrete. But research on how widespread the issue might be has only scratched the surface.
Vignette on page 1 of Volume 6 from Mémoires pour servir à l'histoire des insectes, by René-Antoine Ferchault de Réaumur.

Insects in the Mail

The efficiency of the postal system and generosity of local experts played important roles in the advancement of entomology in eighteenth-century France.
An orange cat playing with a toy

Ginger, Tortie, Calico

The mystery gene responsible for orange color in cat coats has been found.
Sofia Kovalevskaya

Science in Defiance of the Tsar: The Women of the 1860s

Sofia Kovalevskaia became the first woman in Europe to obtain her doctorate in mathematics—but only after leaving Russia for Germany.
A map of Antarctica, 1949

Antarctica Unveiled: From Accidents to Airborne Labs

Twentieth-century surveys revealed the landscape beneath the Antarctic ice using radio echo-sounding, a technique that emerged largely by accident.
Rosemary (Salvia rosmarinus) in bloom. Flowers can be pale blue, pink, purple, or white.

Rosemary: The Herb of Ritual and Remembrance

From ancient Egypt to today, the scent of rosemary has promised comfort, joy, and even immortality.

String Theory Is Not Dead

Out of the limelight, theoretical physicists seek the math that can explain the universe’s particles and forces.
Cambodian New Year's celebration, Trairatanaram Temple, Lowell, Massachusetts, 1988

Tapping Cultural Values Against Domestic Violence

Southeast Asian Americans navigated evolving cultural norms while building grassroots organizations to combat violence against women.
Adolf Hitler at his Berghof mansion in Obersalzberg.

A Blind Beetle Named Hitler?

The case for changing offensive names of animals and plants, and how it can be done