March 20, 2014 |
Call it "The Mystery of Oblong Blobs. " In the prevailing scientific view, they are microscopic remains of ancient pigment granules, offering clues to the colors of winged dinosaurs. But a new study by a Drexel University graduate proposes a different explanation - one that has ruffled a few academic feathers. Alison E. Moyer, now a Ph.D. student at North Carolina State University, says the cigar-shaped "microbodies," just one-millionth of a meter long, might simply be impressions left by very old bacteria.
July 12, 2012 |
Checking the skittish world economy, it's tough to read the signs when major producers can't agree: DuPont Co. scrambled Tuesday to dispute an Australia-based rival's claim that factories have stopped buying titanium dioxide, a basic industrial chemical that whitens paints, plastics, and papers. Demand for pigments made from titanium ore "has in essence gone from full steam ahead to full stop in a little over eight weeks," warned David Robb, managing director at Iluka Resources Ltd., on Monday.
December 11, 2011 |
Lenfest Plaza, created by the Pennsylvania Academy of the Fine Arts from a half-block of Cherry Street west of Broad, can be a cheerless place at this time of year. Not much sunlight can penetrate the breezy defile, squeezed between the Academy's Furness landmark and the taller Hamilton building. Perhaps spring and summer will soften the ambience. For now, two pieces of public art animate the plaza somewhat. At the Broad Street end, Claes Oldenburg's giant paintbrush, which serves as a signpost for the school and museum, adds a touch of color and whimsy.
May 14, 2008 |
Robert Rauschenberg, who with contemporary Jasper Johns provoked a profound shift in 20th-century art after World War II, died Monday night at his home on Captiva Island, Fla. He was 82. According to his New York dealer, Arne Glimcher of PaceWildenstein gallery, the cause was heart failure. Beginning in the early to mid-1950s, Mr. Rauschenberg extended the vocabulary of painting, which had been more or less fixed since the Middle Ages, by combining pigment with real objects such as stuffed birds, fabrics and household appliances, and photographs reproduced from newspapers.
August 25, 2006 |
September and October tend to be perfect for painting, especially the outside of a house. Lower humidity makes painting window and door frames easier. Interior painting is easier, too - especially if you don't have central air-conditioning. How can you tell which paint is best for your job? We assembled some pointers, with help from Debbie Zimmer at the Rohm & Haas Paint Quality Institute in Spring House. Need to know: You get what you pay for. Good-quality paint is less expensive in the long run - its superior hiding power will require fewer coats (coverage guidelines are typically found on the can)
December 16, 2005 |
The merest fragment of one gene plays a major role in the differing skin colors of white and black people, scientists have found, capping an 11-year effort that began with the study of similar color variations in a common pet-store critter, the zebra fish. The team of 25 geneticists, molecular biologists and anthropologists, most of them from Pennsylvania State University, says the work could have implications for skin-cancer treatment, crime-scene analysis, and even cosmetics.
August 2, 2000 |
Neighbors of an Upper Bucks County property where 3,200 tons of toxic sludge were dumped in the late 1960s - and where investigators declared there was no health threat 20 years ago after visiting the wrong site - soon will find out if their water is threatened. The federal Agency for Toxic Substances and Disease Registry in the next few weeks will release a "health consultation" that assesses public risk from the toxic material, which has turned up so far under the old Watson Johnson landfill on Pumping Station Road and in drinking wells.
May 17, 1996 |
One pleasure of visiting galleries regularly is watching good artists get better. While the improvements are usually incremental from year to year, the increments often add up to displays of mature art-making that can be more satisfying than novelty and new faces. This month, four Center City galleries are featuring exhibitions of work that you may have seen before but that looks better this time around, perhaps because repeated exposure clarifies each artist's purpose. From west to east, they are Sande Webster, Mangel, More and Locks.
September 14, 1994 |
Dick Henderson is a patient man, a good thing because the art he has chosen to pursue is one that requires enormous patience - Byzantine icon painting. Henderson, 65, a retired electrical engineer for the Peco Energy Co., has almost completed his second icon, which, as he did with the first, he plans to donate to St. Martin's Episcopal Church in Radnor. Henderson's interest in iconography began about 20 years ago when, thumbing through National Geographic, he saw an article on a monastery in Greece filled with icons.
August 8, 1993 |
The French artist Jean Dubuffet, who died in 1985 at the age of 83, was a provocative thinker and writer as well as one of the most unorthodox and influential artists this century has produced. For instance, Dubuffet, a long-time wine merchant before he became a full- time artist, once compared art to Beaujolais - he said that art should be consumed within a year after creation, before it begins to lose its "bouquet. " "What is the life expectancy of an art product?" he asked rhetorically.