Humans

Humans

From the May 3, 1930, issue

MOON’S SHADOW AT ECLIPSE PHOTOGRAPHED Clouds over the sun broke away at Camptonville, Yuba County, California, two minutes before the total phase of the solar eclipse of the sun. Only the lightest haze remained, and the observations planned by the various expeditions located there were carried through successfully. The Lick Observatory-Crocker expedition under the direction […]

Humans

Nobel Chemistry: Laureates’ techniques enable researchers to probe large biomolecules

The 2002 Nobel Prize in Chemistry recognized the work of three scientists who created tools for analyzing proteins and other large biological molecules.

Health & Medicine

Less Crying in the Kitchen: Tasty, tearfree onions on the horizon

The discovery of a new enzyme responsible for creating the tear-inducing chemicals found in onions may herald the arrival of genetically modified tearfree onions.

Health & Medicine

West Nile Worries Are No Reason to Give Up Breast-feeding

West Nile virus infections are spreading like wildfire–and not just through bug bites. Although the vast majority of the nearly 2,800 U.S. cases reported to the Centers for Disease Control and Prevention (CDC) so far this year were picked up from mosquitoes, at least 3 people–and possibly 15–appear to have acquired the virus from infected […]

Humans

From the October 15, 1932, issue

THE SABER-TOOTH STRIKES The artist has made a sketch of a dramatic scene involving a horselike hornless rhinoceros. It shows the poor animal attacked by a long-tailed saber-toothed tiger. The great cat is pictured as attacking much as a modern tiger or lion sometimes attacks: gripping a hard hold with its forelegs, slashing at its […]

Health & Medicine

Final Word? Breast surgeries yield same survival rate

Women with breast cancer who undergo partial-breast removal are just as likely to survive for at least 20 years as are women who have their entire breast removed.

Anthropology

Fossil skull spurs identity dispute

A dispute has broken out over whether a recently discovered, 7-million-year-old fossil skull represents the earliest known member of the human evolutionary family or an ancient ape.

Archaeology

Ancient origins of fire use

Human ancestors may have learned to control fire 1.7 million years ago in eastern Africa.

Archaeology

Guard dogs and horse riders

More than 5,000 years ago, the Botai people of central Asia had ritual practices that appeared in many later cultures.

Health & Medicine

Making Bone: Novel form of vitamin D builds up rat skeleton

A newly synthesized form of Vitamin D induces bone-making cells to capture calcium and fortify bone mass in rats, suggesting it might work against osteoporosis in people.

Humans

Nobel prizes honor innovative approaches

The 2002 Nobel prizes pay tribute to an international sampling of scientists who developed powerful new techniques for expanding the horizons of research.

Health & Medicine

‘Bubble’ babies thrive on gene therapy

Gene therapy to repair mutations that thwart development of essential immune cells has helped three babies to overcome severe combined immunodeficiency, in which a child is born without a functional immune system.