UF scientists reveal ancient origin of vertebrate skeleton
... Florida scientists have found that people have an ancient skeleton in their closets - a skeleton personified...e. Because of the lamprey, we know it is much more ancient genetic pathway that activates the collagen matrix." Animal collagen, often associated with the full...Fossil wood gives vital clues to ancient climates
...ion event. "Rapid, large falls in sea-level in the ancient record are typically only produced by a glaciation...ot only challenges conventional wisdom surrounding ancient climates, it makes a case for the use of high-resolution sampling in order to reconstruct a more acc...New predation management methods reduce conflict between humans and carnivores
...now being used to minimize predation, ranging from ancient (for example, fladry, colored flags that can repel wolves) to modern (for example, electronic warning systems). Some devices work by simply frightening predators away from livestock. In this category are fladry and a device that flashes lights and s...Smallest Triceratops skull ever found provides clues to dinosaur's growth
...uld be scavenged or the bones eroded away along an ancient stream. "It's an incredible specimen, with beautiful preservation," he said. Goodwin and Horner also have made casts of the skull for the American Museum of Natural History and for Montana's Museum of the Rockies. Goodwin continues his excavations in...Most human-chimp differences due to gene regulation not genes
...t altering the regulation of these fundamental and ancient genes may be harmful. In fact, five of the 100 most stable genes have altered expression levels in liver cancer. When they also looked for human genes with significantly higher or lower expression levels, they found 14 genes with increased expression...Most human-chimp differences due to gene regulation
...t altering the regulation of these fundamental and ancient genes may be harmful. In fact, five of the 100 most stable genes have altered expression levels in liver cancer. When they also looked for human genes with significantly higher or lower expression levels, they found 14 genes with increased expression...Biggest physics meeting of the year
...o an efficient gene therapy method that mimics the ancient and effective infection behavior of natural viruses. (V16.2) SINGLES' BAR FOR SPINS Rice and MIT researchers will present ongoing investigations of an unusual superfluid phenomenon in gases of ultracold fermions such as lithium-6. Because fermio...Climate change and the rise of atmospheric oxygen
...n rock samples provides a sensitive way to monitor ancient oxygen levels. Oxygen first appeared on the surface of the Earth when microbes developed the capacity to split water molecules to produce O2 using the Sun's energy. This is a bit advanced biochemistry, but we think this biological revolution emerged ...Glimpse to past adds weight to global warming forecasts
...efs, fossilized pollen, and the chemical makeup of ancient shells in northern lakes and ocean sediments. The investigators then tested whether the NCAR climate model was able to simulate the extreme conditions of the time, which included loss of summertime sea ice in the Arctic and global sea levels about fi...Major obesity gene is 'lost in the shuffle'
.... "In essence, we are observing the result of an ancient gene 'knockout' experiment," Ishida explains. "The deletion or 'knockout' of the ASIP gene may have helped gibbons adapt to arboreal niches. We know that the ASIP protein regulates lipid metabolism in humans, so there is certainly reason to pre...Pine nut oil boosts appetite suppressors up to 60 percent for 4 hours
...uts, which have been part of our diet since before ancient Greek and Roman times, stimulated two well-known appetite suppressing peptide hormones at the same time that overweight women reported significantly less desire to eat only 30 minutes after ingestion," compared with an olive oil placebo. In a paper b...New Arctic fossils fill evolutionary gap between fish and limbed animals
...kably well preserved fossils from a new species of ancient fish provides a key marker in the evolutionary transition of fish to limbed animals. In two related articles highlighted on the April 6 cover of the journal Nature, Dr. Ted Daeschler of The Academy of Natural Sciences in Philadelphia, co-leader of th...Newly found species fills evolutionary gap between fish and land animals
...a glimpse into the right time period and the right ancient environments to provide the potential for finding ...ll limbed animals, including humans--albeit a very ancient step." The new fossils were collected during four summers of exploration in Canada's Nunavut Territo...Evolution of 'irreducible complexity' explained
...pril 4, 2006)Using new techniques for resurrecting ancient genes, scientists have for the first time reconstr...aid Thornton. "New techniques allow us to see how ancient genes and their functions evolved hundreds of millions of years ago. We found that complexity evolv...Conservation International & Disney discover new species in the 'Realm of the Yeti'
... only once since it was described in 1933; and two ancient plant species, including one that is an important source for cancer drugs (Taxus wallichiana). Adding an additional element of danger, the team was also forced to dodge the Giant Asian Hornet (Vespa mandarinia), which local villages have named the 'Y...Ants are surprisingly ancient, arising 140-168 million years ago
...ound that most individual ant subfamilies are more ancient than had been previously proposed, and that the modified stingers found in some ants arose independently at two different points in the course of ant evolution, in the subfamilies Formicinae and Dolichoderinae....Young researchers recognised for scientific achievements
...sity of Freiburg Jonas Grethlein, a classicist and ancient historian, throws new light on ancient texts. His doctoral thesis was entitled "Asylum and Athens. The Construction of a Collective Identit...Bile acids, receptor key in regenerating livers
... important thing in medicine for the physicians of ancient Greece and Rome. Yellow bile and black bile are half of the four humors that they believed made up the body, along with blood and phlegm. In their view, restoring health required correcting imbalances in these four components. Studies by research...New mechanism for essential genome-wide gene silencing identified
...e've discovered what looks to be an evolutionarily ancient mechanism for broadly repressing and protecting the genome," says Shelley L. Berger, Ph.D., the Hilary Koprowski Professor at The Wistar Institute and senior author on the study. "We believe it to be the first identified mechanism of its kind." The n...Ancient DNA provides clues to the evolution of social behavior
...ly and her colleagues are using DNA extracted from ancient teeth-some more than 10,000 years old-to unravel t...tally different from anything anyone has done with ancient DNA,'' says Hadly, an associate professor of biological sciences and co-author of the study. ''What ...