Far more men than women favor routine paternity testing at birth
...eous for the woman to keep the child's paternity a secret so that her husband would continue to care for the child as if he were the father. "There's this fascinating aspect that when we ask the guys who do not favor paternity testing why they are opposed, more than half of them say, 'Ignorance is bliss...European common frog found to use novel mating strategy
...pe's most common backyard frogs has been keeping a secret that, despite centuries of study and thousands of published papers, has only now been discovered in ponds in the Pyrenees. The European common frog, Rana temporaria, has long been thought to have a straightforward breeding strategy -- one lucky male ......man genome -- matching the DNA codes that hold the secret to human life to the genes, proteins, physiologies, and behaviors that define human life. Such work holds great promise for future medicine, and scientists have been investigating how the genes in the human genome actually contribute to the biology o...Study suggests humans can speed evolution
It's no secret that life in the 21st century moves at a rapid pace. Human inventions such as the Internet, mobile phones and fiber optic cable have increased the speed of communication, making it possible for someone to be virtually in two places at once. But can h...Study shows how consensus is attained in a noisy world
...e "noise" was the presence of the Stasi, the state secret police. "The need of individuals to avoid certain forms of communication, due to fear of the Stasi, might actually have contributed to the more efficient spread of information about a generalized dissatisfaction with the regime and the willingness to...Finding the hole in the defenses of cavity-creating microbes
...ber-one cause of tooth decay around the world. The secret of its success? The bacterium rearranges its cell membranes to make itself impervious to the acid assault that it lets loose. "Right now there are millions of bacteria in your mouth, eating sugars and excreting acid which is eating your teeth," say...For a male sand goby, playing 'Mr. Mom' is key to female's heart
GAINESVILLE, Fla. --- What's a little male fish's secret weapon for attracting the lady fish? Something some guys but few other males in the animal kingdom have thought of: It acts like a good dad. Sand gobies, small fish native to the European coast, are among about 20 percent of fish families worldwide ......cal materials in their natural, "wet" state. Their secret lies in the production of a very thin but tough polymer capsule to enclose the sample, allowing it to withstand the force of the vacuum. Says Dr. Ory Zik, who worked on the capsule with Professor Elisha Moses of the Physics of Complex Systems Departm...Female gluttony blamed on male tick
A certain species of tick has learned the secret to staying slim--by remaining virgins. Female ticks who mate will drink 100 times their weight in host blood, whereas virgins aren't so gluttonous says a University of Alberta researcher who has discovered a protein that may offer clues to a $10 bill...Frog skin and supercomputers lead Penn chemists to designing better bacteria killers
... in the skin of the African clawed frog, holds the secret to creating bacteria-killing surfaces, according to researchers at the University of Pennsylvania. The Penn scientists have taken a joint experimental-computational approach to mimicking magainin. They designed, synthesized, tested, and then improved...Tigers: Big cats need cat food
...d-on by immersing ourselves for eight years in the secret world of the tiger." "Our results confirm that decline of wild tigers is primarily driven by prey-depletion caused by human hunters," Karanth added. "Conservationists should direct their concerns at reducing such negative human impacts."WCS's conser...Transgenic animals produced using cultured sperm
...bryos and, ultimately, transgenic zebrafish. "The secret to our success was the idea of placing a layer of special 'feeder cells' under the spermatagonia in the laboratory dish. These feeder cells, derived from zebrafish testicular cancer cell lines, promote the growth of spermatagonia and stimulate them ...Researchers unlock key secrets showing how tumors hide from immune system
...rs flourish undetected by keeping their presence a secret from sentries of the body's immune system. "Flying beneath the radar" is how Nature Reviews Cancer ( http://www.nature.com/cgi-taf/DynaPage.taf?file=/nrc/journal/v4/n1/full/nrc1261_fs.html ) labels the mechanism of tumors evading capture, a proces...Mars mission scientist will live a 25-hour day
...ic ease that makes some wonder if he has found the secret to a 25-hour day. Well yes, actually, he has. Not 25 hours, to be exact, but 24 hours, 39 minutes and 35 seconds, the length of one Martian day, or "sol." Squyres is preparing to live on Mars time for the duration of the two-rover mission, expected...JCI Table of Contents, November 3, 2003
...******************************* Stem cell factor: secret to liver's fountain of youth Following surgical liver resection, a technique known as partial hepatectomy, which is often employed in the removal of benign or malignant tumors, a large reservoir of stem cell factor (SCF) in the liver drives increas...Elusive cancer killer's deep-sea hideout discovered after a nearly 20-year hunt
...ve detective work, the team has found the animal's secret hiding place and collected enough of it to support years of intense research. "It's just amazing," says Amy Wright, director of HARBOR BRANCH Biomedical Marine Research, of the sponge she has been on a career-long quest to find. "This is our next cu...U-M scientists find genetic 'fountain of youth' for adult stem cells
...ism of self-renewal." Since cancer cells share the secret of self-renewal with adult stem cells, Morrison says his research "raises the possibility that inappropriate activation or over-expression of Bmi-1 in stem cells could lead to uncontrolled growth and cancer." Morrison and his research team cultured c...Snowy plover 'nursery' success earns Resource Stewardship Award
...orated with the plan," Sandoval said. "I think the secret of this success was the dedication of the various individuals to plover conservation and their openness to go beyond traditional thinking. Partnerships and creative solutions were the key." Sandoval will present these findings at the 2003 Natural Are...Studies probe rapid evolution of Chinese tallow trees
...defenses, fast growth and low insect attack is the secret to Chinese tallow tree's success in Texas, varieties collected in Texas and grown in China should exhibit lowered insect defenses and be easy prey for insects. But, when protected from insects, the invasive North American varieties should outperform ...Popular Science announces second annual 'Brilliant 10:' the country's top young scientists
...Scientists have long wanted to use photons to send secret keys, but until now the technology hasn't been precise enough. Enter Nam, who recently built the world's most sensitive photon detector. By interacting with the quantum world, his device could make coded messages uncrackable. For a complete profile ...