A unique hemoglobin may help the baby kangaroo's journey to the mothers pouch
...rom Tammar Wallaby newborns and the red cells were broken up to release the hemoglobin. The hemoglobins were separated by ion exchange chromatography, and for each, the chains were separated by another chromatography process. The chains were digested by the proteolytic enzyme, trypsin, and the digested fra...Not drinking cows' milk blamed for children's fractures
...gh number of young children we saw who had already broken bones and by the fact that many were short and ov...d total body) and many of the children had already broken bones after trivial falls, though the average age of the group was only six years. Only eight per ce...New insight into how eyes become wired to the brain discovered by Salk, UT Southwestern scientists
...uthwestern researcher said. "If someone gave you a broken Maserati and said, 'Fix it,' you'd probably like to have a manual that shows how it was put together in the first place. We're trying to develop that manual for the wiring of the nervous system." The new research builds on a hypothesis, first suggest...New technique shows how cells interpret genetic information
...ed to bacteria), the protein-coding information is broken up into fragments called "exons" that are separate...rotein. "The coding sequences of our genes are all broken up and spread out, and there is a whole cellular machinery involved in patching it together so that ...Rare childhood bone disorder linked to gene deletion in two Navajo patients
...he team was able to pinpoint exactly where DNA had broken off in these two patients. Again, the results were startling: The genetic damage was identical in both patients. The researchers therefore conclude that these two patients likely share a common ancestor, perhaps dating back a century. "In a way, th...Physics tip sheet #21 July 10, 2002
...structure constant. So far, the experiment has not broken the record for precision but a plausible extension that is being constructed should equal or beat the particle physics result. Preprint: http://www.arxiv.org/abs/cond-mat/0202452 4) Nanotube diagnostic x-rays G. Z. Yue, Q. Qiu, Bo Gao, Y. Cheng...Physics tip sheet #20 July 3, 2002
...ing overly exotic but is a property of waves being broken down into component parts and being reassembled slightly differently. This phenomenon has now been predicted in Bose-Einstein condensates where atoms that are fired at a BEC seem to leave before they enter. As an atom hits the BEC, it is absorbed int...Possible gene for form of mental retardation, brain development identified
... resulted in a mutation in one of the genes on the broken X chromosome and that the mutation could have resu... they identified genes near the break point in the broken chromosome (candidate genes) and analyzed them to see if any of them were damaged or altered. Dr. S...Complex gene-swapping spawns a form of lymphoma
...air mechanisms malfunction. When DNA repair fails, broken chromosomes can persist and recombine inappropriat..., which looks for complementary strands on the two broken DNA ends. This repair pathway uses the complementary strands like splints to effect rejoining. "When...Molecular 'stop signs' may hold secret of nerve regeneration
...of nerve cells, the axons, might reestablish their broken connections, says Schnaar. The research team reports identifying brain chemicals that are involved in the ability of one of the inhibitors to prevent injured nerve cells from connecting to other nerves or muscles. By keeping the chemicals from inter...Wyoming chemist receives award for improving asphalt manufacturing process
...rmed when the large, heavy hydrocarbons in oil are broken down into the smaller, lighter molecules of gasoline and other chemicals. The American Chemical Societys Industrial Innovation Awards recognize individuals and teams whose discoveries and inventions contribute to the commercial success of their compa...First primate archaeological dig uncovers new tool development links
...s, chips of granite, laterite, feldspar and quartz broken from the hammers. Some of the stone by-products of the chimpanzee nut cracking are similar to what we see among the technologically simplest Oldowan [hominid] sites in East Africa, said rainforest archaeologist Julio Mercader of GWU, the lead author...Researchers uncover biochemical connection between high-fat diets and increased colon-cancer risk
...Those bile acids go to the small intestine and are broken down into secondary bile acids, one of which is lithocholic acid. Most secondary bile acids circulate to the liver, but only a little bit of lithocholic acid does so. Much of it remains in the small intestine, then moves into the colon, or large inte...Parasite or partner? Study suggests new role for junk DNA
...NE-1, or L1, elements can jump to chromosomes with broken strands of DNA, slip into the break and repair the damage. Transposable L1 elements make up 17 percent of our DNA, but very little is known about them, says John V. Moran, Ph.D., an assistant professor of human genetics and internal medicine in the ...American Cancer Society funds Space Station scientist who studies how good cells turn bad
... proteins manufacture DNA and remove or repair any broken strands. When proteins fail to repair damaged DNA, good cells may turn bad, resulting in a plethora of diseases, including cancer. Yearly mammograms and daily inspections for lumps make women intimately aware that bad cells form tumors. According t...Massive icebergs may affect Antarctic sea life and food chain
...g satellite data has shownlarge icebergs that have broken off from Antarctica's RossIce Shelf are dramatically affecting the growth of minuteplant life in the ocean around the region -- plant life vitalto the local food chain. Scientists say the icebergs appear to have caused a 40percent reduction in the si...Hurricanes impact carbon sequestration by forests
...ed from living to dead carbon pools when trees are broken or uprooted. Second, he explored what happened to the downed trees whether they were salvage logged, burned, or consumed by insects. Finally, he examined the long-term impacts of hurricanes on forest regeneration and productivity. McNulty found that...UNC geologist, students to unveil 221 million-year-old top N.C. fossil
... and 13 years. It appears to have had a history of broken toes. This discovery, the first substantial find of a rauisuchian on the East Coast of North America, was in a way a remarkable fluke, the geologist said. Ive been going to these areas for 25 years, and the most Ive found are little bits and pieces ...Next-generation biomaterials to help body heal itself
...cations. 'Resorbable' biomaterials that are slowly broken down and replaced by regenerating tissues appeared at the same time. However the authors state that survivability rates of skeletal prostheses and artificial heart valves show that a third to half of prostheses fail within 10-25 years, meaning that m......ing information from an intact DNA molecule to the broken DNA molecule. The careless manner is called "sticking" recombination. This repair mechanism comes into play when the same piece of DNA is present slightly further along the same DNA molecule. The cell removes the undamaged intermediate piece of DNA. ...