New dinosaur related to Triceratops
... definitive example of this new species. The adult skull is 4.4 inches long (11.1 centimeters), and an adult Liaoceratops (lee-ow-cer-a-tops) stood about one foot tall and measured less than about three feet long. What was the purpose of horns and frill? Scientists have long debated whether the cerato...Ethiopian fossil skull indicates Homo erectus was single, widespread species 1 million years ago
Berkeley - A million-year-old Homo erectus skull found in Ethiopia indicates that this human ancest...ternational group of scientists who discovered the skull in 1997. Some archaeologists and anthropologists have argued that African and European populations w...Discovery supports theory of a single species of ancestor
...Haven, Conn. - The discovery of a million-year-old skull in Ethiopia indicates that a single species of hum...ey Research Service in Addis Abbaba, Ethiopia. The skull was found at a new site in Ethiopia's Afar Regional State near the village of Bouri in the Middle Aw...Large brains not required? Third and smallest skull of 'first Eurasians' reported in Science
... news release is also available in French . The skull and jawbone of a small, lightly-built individual, ... similar to the Oldowan tools of East Africa. The skull and jawbone are unusually well-preserved, in part because a solid limestone layer overhead protected......ene therapy in the brain have involved opening the skull and injecting substances into particular areas, wh...o obstacles that make the brain hard to treat: the skull and the blood-brain barrier. The researchers plan to make delivery even more specific by putting th...'Sorry, Charlie:' New news on the tuna
...s in temperature through the pineal foramen of the skull to record brain temperature, and then exposed to step changes in ambient, or surrounding, temperature and then back. The effectiveness of the carotid heat exchanger in affecting heat flux was examined by calculating the thermal rate coefficient from ...Scientists discover genetic defect responsible for microcephaly
...precludes any treatment." In addition to brain and skull abnormalities, babies with MCPHA have elevated levels of the biochemical "-ketogluterate in their urine, a finding that is directly related to MCPHA but still not clearly understood. Scientists also are investigating the mystery of why the children's...Disease-causing genetic mutations in sperm increase with men's age
...e, leads to webbed fingers and early fusion of the skull bones and must be corrected by surgery. While Apert syndrome itself affects only 1 in 160,000 births, the scientists believe their findings could extend to many of the 20 or so other genetic conditions similarly linked to older fathers. The research...Coils slash death/disabilty from brain aneurysms
...reatment for brain aneurysms, requires opening the skull and placing a metal clip across the neck of the aneurysm to stop the bleeding. In coiling, a catheter is inserted through an artery in the leg up into the brain to fill the aneurysm there with tiny platinum coils. The coils are like "miniature slin...Nanoparticles could aid biohazard detection, computer industry
...of surface area into the limited space inside your skull by folding in on itself many times," Porter said. "But the advantage we found for computer chips is not that we can increase their 'thinking power,' per se. Rather, the resulting rough surface gives us a lot of nooks and crannies in which to secure a...People from distant lands have strikingly similar genetic traits, study reveals
...ences between human groups such as skin color and skull shape result from differences in a very small proportion of genetic traits." Another way to view this, he noted, is to remember that DNA is virtually identical in all human beings. Compare any two people, you'll find a DNA sequence that is about 99....Science's top ten: Discovery of genes' 'control switches' named top advance of 2002
...they reported the startling discovery of a primate skull between six and seven million years old. The fossil is almost 3 million years older than any known hominid, the lineage that includes humans but not other apes. The location of the skull, by the ancient Lake Chad in western Africa, was a surprise. Un...Prehistoric tusks point to earliest fossil evidence of differences between sexes
...in length, was a burrowing herbivore with a beaked skull and short tail. In its investigation, the team was able to rule out other uses for the tusks, Reisz says. The tusks were not used for feeding because the females did not have them nor were they used for digging because the ends did not show signs of...With government nod, gene therapy pioneered at UNC is given to children with rare disorder
...ool. Surgeons drilled a series of six holes in the skull through which the virus and its gene payload was infused directly into various brain sites. Recovery from the surgery is rapid and does not require lengthy hospitalization, Samulski said. The children return home within a few days. When infused into...Hospitalized children experience medical errors at the same rate as adults
...rths - involves birth trauma, mostly long bone and skull fractures. In addition to birth trauma, researchers found children often experience adverse events relating to post-operative infections and other obstetrical complications involving the mother, such as difficulties with anesthesia "Our findings o...160,000-year-old fossilized skulls from Ethiopia are oldest modern humans
...e journal Nature. The research team also unearthed skull pieces and teeth from seven other hominid individu... poorly dated and incomplete. These include fossil skull fragments from Klasies River Mouth in South Africa, dating from about 100,000 years ago, and Middle ...Neandertal facial length issue settled
...demy of Sciences (PNAS), are based on two critical skull measurements on fossilized specimens. His article, "Neandertal faces were not long; modern human faces are short," will be available online the week of June 16 on the PNAS Web site, www.pnas.org. Trinkaus' main objective was to see how Neandertal fa...In men chronically exposed to magnetic fields, no disruptions of melatonin exists
...n of the pineal gland; and (2) the geometry of the skull may cause stronger eddy currents in field-exposed animals. Results about the effects of magnetic fields in higher mammals lambs, monkeys and humans -- have heretofore been either negative or provide controversial results. Most work published thus f...Infants more vulnerable to serious brain injury from falling than previously thought
...ons are associated with such localized injuries as skull fractures. Rotational movements, however, can produce more widespread and serious brain injury. "We found that when the head contacted a firm surface before the body, significant rotational motions were produced," Margulies said. Her study was publi...Disease-causing genetic mutations in sperm increase with men's age
...e, leads to webbed fingers and early fusion of the skull bones, which must be surgically corrected. The researchers found that mutation rates in sperm increased as men aged, but not enough to fully account for the increased incidence of Apert syndrome in children born to older fathers, leading to the susp...