A demonstration of Radiovision in Charles Francis Jenkins’ laboratory in Washington, D.C., 1925

Phantoscopes, Radiovision, and the Dawn of TV

After creating a projector called the Phantoscope in 1895, C. Francis Jenkins successfully tackled the problem of transmitting motion pictures through radio.
These fossilized foraminiferan shells, dating back 35 to 45 million years, were found in Tanzania. They all belong to species that are now extinct. The largest are about half a millimeter in diameter.

The History of the Ocean, as Told by Tiny Beautiful Fossils

Bountiful remains of foraminifera reveal how organisms responded to climate disturbances of the past. They can help predict the future, too.
Vannevar Bush

Science in War, Science in Peace: The Origins of the NSF

The 1950 establishment of a federal agency devoted to space, physics, and more belied a cross-party consensus that such disciplines were vital to national interest.
Ectomycorrhizal fungi

The Fungi in the Carbon Jigsaw

Out of sight, below the soil’s surface, fungi play a vital role in the existence and health of our forests, woodlands, jungles, and prairies.
Hellas Chaos on Mars

Mars Time Machine

Researchers are creating advanced simulations that will provide a deeper understanding of Mars’s climatic history and help to determine whether it was once able to sustain life.
Joseph Russell Smith

He Spoke for the Trees (and Also the Soil)

A champion of agroforestry, J. Russell Smith argued for the restoration of forests as key to sustainable agriculture in his seminal work Tree Crops.
Illustration from a Russian postal card of Luna 9

The First Lunar Lander and the Great Moon Dust Debate

In 1966, the Soviet Union’s Luna 9 became the first spacecraft to soft-land on the Moon, helping to resolve questions about the nature of the lunar surface.
Lonomia obliqua

The Caterpillars That Can Kill You

Some species make venoms that are deadly. With more research, those toxic compounds could yield useful medicines.
Greenland village of Kulusuk in winter

Greenland: Polar Politics

Though it may seem like a new topic of concern, the glaciated landscape of Greenland has floated in and out of American politics for decades.