Notebook

Earth

Timely Climate

Science educators at the University of Colorado and the National Geophysical Data Center in Boulder have designed an online tool that lets users study climate change and variability on different time scales–from daily fluctuations to cyclic changes with periods that span 100,000 years. Focusing on climatic processes and specific climate events, each time-scale category has […]

Humans

From the May 10, 1930, issue

CANNON-BALL TREE The strange growth represented on the cover of this issue of the SCIENCE NEWS-LETTER is not a freak grapefruit tree. It is the normal method of flowering and fruiting of the cannon-ball tree, a member of the monkey-pot family found in the forests of South America. Its fruiting branches always grow out of […]

Health & Medicine

Cancer Net

Cancer.gov is a huge compendium of information on cancer assembled by the National Cancer Institute. You can find out the characteristics of different cancers, ponder treatment options, peruse statistics on cancer incidence, and check out support groups, coping strategies, and much more. The site offers access to scientific papers and lectures, along with a search […]

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 This engrossing Web exhibit features historical documents from the Walter Reed Yellow Fever Collection at the University of Virginia.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 […]

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 […]

Astronomy

A Hubble Decade

To celebrate the Hubble Space Telescope’s 10th anniversary, the Space Telescope Science Institute in Baltimore, Md., has created a new Web site devoted to the Earth-orbiting telescope and its spectacular images. Offering much more than pretty pictures, the site recounts Hubble’s discoveries, illustrates how the telescope works, and suggests various educational activities and games. Until […]

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 […]

Humans

From the April 26, 1930, issue

FLOWERS FROM STEEL The same fascinating sparks that the village children used to watch “flying like chaff from a threshing floor” are now used to save industry thousands of dollars, for they have been found to be an index to the many kinds of modern steels, which differ from one another only slightly in carbon […]

Humans

From the October 8, 1932, issue

AUTUMN BRINGS NOBILITY EVEN TO CORNFIELD WEEDS Autumn is the time of the Truce of God. Even as a beggar may assume a certain dignity when he is about to die, so the commonest weeds often take on beauty when all things pause to make last salute to the retreating sun, before the hora novissima […]