Artist’s conception of early star formation:

When Everything in the Universe Changed

The revolutionary James Webb Space Telescope and next-gen radio telescopes are probing what’s known as the epoch of reionization.
Breadfruit (Artocarpus altilis): fruiting branch. Coloured etching by J. Pass, c. 1796, after J. Ihle.

Quintessential Resilience: The Breadfruit in the Caribbean

The breadfruit tree has coexisted with humans for more than three thousand years. Its future may depend on how strong of an ally humans can become to it.
Icebergs towering over a sailing ship in Arctic waters.

The Open Polar Sea: Myth and Science at the North Pole

The idea of an open polar sea haunted the imaginations of European explorers and scientists alike in the nineteenth century.
Vanessa cardui

The Secrets of Butterfly Migration, Written in Pollen

Trillions of insects move around the globe each year. Scientists are working on new ways to map those long-distance journeys.
A little puppy at the Complete Dog Service shop where pet owners go to seek advice, inoculations against distemper, petcare equipment, pet food and pet grooming services, c. 1940

How Interwar Britain Saved Their Dogs

Canine distemper became a major threat in Great Britain after World War I. Saving the nation’s dogs depended on an imperfect collaboration.
Egyptian papyrus which describes therapy of migraine by bandaging a clay crocodile with herbs stuffed into its mouth to the head of the patient.

Crocodile of a Migraine? An Egyptian Rx

Why the ancient Egyptians did—or did not—recommended strapping a clay crocodile to an aching head.
Young man climbing red bars against white background

The Logic and Legality of Growth

Economic growth is closely linked to profit maximization, which is central to the functioning of global market-based economies.
A series of pages of a Chinese publication with dotted frames indicating some are missing

On The Fragility of Our Knowledge Base

Historian Glenn D. Tieffert shows how state interests in the People’s Republic of China can be protected by editing online databases and collections.
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.