Humans

Health & Medicine

Distressing Gut Symptoms May Trace to Sweets

U.S. diners are notorious for having a sweet tooth. It’s hard not to succumb to the pervasive siren calls of sugary confections. Television commercials bombard viewers with enticements for presweetened cereals, breakfast bars, sugar-laden soda pop, and fruit-flavored beverages–many containing, at best, only about 10 percent real juice. Grocery stores seduce consumers with aisle after […]

Health & Medicine

Blood Booster: Growth signal shifts cord stem cells into high gear

A protein called Delta-1 stimulates stem cells in umbilical cord blood to proliferate in a lab dish, attach well to bone marrow when implanted into mice, and even proceed to the animal's thymus to become T cells.

Anthropology

Ancient Lure of the Lakes: Early Americans followed the water

Archaeological investigations in Chile indicate that beginning around 13,000 years ago, early American settlers lived at high altitudes during humid periods, when they could set up hunting camps on the shores of lakes.

Health & Medicine

A different GI link to colon cancers

Diets rich in sweets and other quickly digested carbohydrates appear to increase an individual's risk of developing colon cancer.

Health & Medicine

Berry promising anticancer prospects

Cranberry products can retard the growth and spread of breast cancer in rodents.

Humans

From the October 22, 1932, issue

SUN, MOON AND STARS IN THE MOVIES Joshua, it is recorded, commanded the sun and the moon to stand still and they obeyed him. In this modern Yankee land and age of hustle, we are much less interested in making things stand still than in making them move faster. Present-day Joshuas would be more likely […]

Health & Medicine

A Most Dreadful Pest

Yellow fever was a deadly scourge that had a devastating effect on lives and economies throughout the 18th and 19th centuries. This engrossing Web exhibit features historical documents from the Walter Reed Yellow Fever Collection at the University of Virginia. It focuses on the work of the Reed Commission, which proved that the Aedes aegypti […]

Health & Medicine

Drug Eases Bone Cancer Pain in Mice

Pain caused by bone cancer in mice can be alleviated somewhat by osteoprotegerin, a drug being tested for osteoporosis, suggesting a possible new treatment for people with this cancer.

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 […]