Evolution's mirror in a fish's spines
...l you how complicated the genetics of their traits really are. I consider sticklebacks a great system for that kind of study." Further research will focus on identifying the specific DNA alterations responsible for causing changes in the regulation of Pitx1 . This kind of analysis will be particularly chal...Breakthrough Clemson research appears in Science
...nt and design paper-thin protective suits. "What's really exciting is that this research might lead to a cure for osteoporosis," said Shital Patel, 29, a Clemson graduate student in the department of biological sciences. An estimated 10 million people have osteoporosis, and another 34 million with low bone...East Texas feral hog numbers skyrocketed in last decade
...heir numbers statewide at 1.5 million. "We don't really know how many there are. In West Texas, aerial surveys and the like can be conducted to give a fair idea, but in East Texas they have too much escape cover," he said. Higginbotham surveyed landowners from 40 East Texas Counties. The survey questionna...Scientists question reports of massive ant supercolonies in California and Europe
...ward each other." But, asked Gordon, does it really matter if an ant in San Diego doesn't fight with a...ts simply by changing their diet. "It seems really clear that aggression in Argentine ants, as in most ants, is related to how they smell, and that see...Warning to preserve 'unique' red squirrel from extinction
...ested red squirrels in the North-east have adapted really well to the man-made conifer plantations of the region. It also showed many squirrels have recent European ancestry due to introductions of continental squirrels to the UK over the last 150 years. However, there is no evidence of these introductions...Newer drugs more effective at curing strep throat than penicillin
...t we were working only with high-quality data. "We really turned these 35 studies inside out, comparing and contrasting dozens of different variables," Casey says. "For instance, we examined factors such as compliance monitoring, which ensures that a child actually took the prescribed drug. Some studies we ...Three new South American fish identified
...o name a species after a person," he said. "He's a really important researcher internationally in this area, and he has organized most of the expeditions in the area where specimens of his species were collected." In fact, Lopez-Fernandez discovered the new species while examining the contents of museum sa...Water molecules clump more loosely than previously thought
...own forms of life need it to exist. Yet what water really is - at least in its liquid form - is still, to a ...ction meant a dearth of real data. ''There has not really been new experimental information about water in the last 20 years, except for data from neutron stu......own forms of life need it to exist. Yet what water really is at least in its liquid form is still, to a la...action meant a dearth of real data. "There has not really been new experimental information about water in the last 20 years, except for data from neutron stu...Nanotechnology highlights from the ACS national meeting in Anaheim, Calif., March 28-April 1
...at is and what is not possible and what people can really expect to see from this field of research. The session will be followed by a panel discussion on the topic. ( PRES 1-6 , Sunday, March 28, 2-5:40 p.m., Hilton Anaheim, California Pavilion D.) Monday, March 29 Tiny iron nanoparticles show promise f...Fat hormone leptin alters brain architecture and activity, which in turn drives feeding behavior
...me to feeding behavior. "Feeding turns out to be a really good model to test plasticity because it's much simpler to study than the system that controls learning or memory," said Pinto. For her research, Pinto used a famous mouse strain that resembles obesity in some humans. These mice lack leptin and grow......ted a concocted false grade-school event as having really happened to them when suggestions regarding the ev... When asked which of the events didn't really happen, all but three of the participants said it was the Slime event. Even so, the fact that it was......he gene using molecular tools to see whether it is really necessary for song learning are therefore top priority for the lab....Spying on the inner life of a cell - new nanosensors a body can live with
...rld of molecules that chemists can look at." "What really makes our sensors novel is that, to my knowledge, we are the only group working with a functional, polymerized lipid," Aspinwall said. "There is no commercially available product like this. It has to be synthesized on this campus." The late David O'B...Carnegie Mellon U. conducts first comprehensive proteomic analysis of developing animal
...rts them back to the investigator. "Our study is really a starting point. Comparing the proteomes at different stages in an animal's development, together with other experimental tools, can help uncover the network of functions and interactions required for a variety of developmental processes and disease...News tip: Duke marine biologist calls for whale-proof fishing gear
...n has been declining slowly for the last decade. A really good bumper crop of calves a couple of years ago helped. But the population is highly endangered and has a significant risk of extinction if we don't solve these problems." Besides entanglement in fishing lines, right whales are subject to collisi...There be dragons: New deep-sea predator species discovered
...escribe new species based on a single specimen. "I really wanted more than just one fish," says Sutton, "so I was relieved to find more." As with all dragonfish, which live at depths ranging from about 600 to 3,000 feet, the new species has menacing teeth, and a mouth that can jut out to engulf prey as wide...Fetal lungs provide a signal initiating labor, UT Southwestern researchers find
...ion to air breathing," Dr. Mendelson said. "No one really understands what causes normal or preterm labor. There may be several chemical pathways that lead to labor, but we think that this surfactant protein, which is also produced by the fetal lung in humans, may be the first hormonal signal for labor," sa...Study offers new model for breast cancer
... in humans. "If so," says Kuperwasser, "then we'll really have a powerful model and tool to study both the development of cancer and how the tissue environment affects its behavior."......awa noted, however, that the transgenic mice never really experienced the orexin deficiency state because, even though they had no orexin-producing neurons, they had orexin in their brains from birth. That prompted a second experiment, in which the brains of orexin neuron-ablated mice were injected with ore...