Beyond batteries: Storing power in a sheet of paper
...er, which means theres nothing in the batteries to freeze or evaporate. This lack of water allows the paper energy storage devices to withstand extreme temperatures, Kumar said. Along with use in small handheld electronics, the paper batteries light weight could make them ideal for use in automobiles, air...First case of successful ovarian tissue transplantation between two, nonidentical sisters
...ve hope to women who had not had an opportunity to freeze either their eggs or their ovarian tissue, and it emphasised the importance of leaving at least one ovary in place during any treatment because the ovary offered an excellent site for a subsequent transplant of ovarian tissue. This method is an opt......ing--the memory of the foot shock and continued to freeze in fear. Conversely, in mice whose Cdk5 activity was inhibited, the bad memory of the shocks disappeared when the mice learned that they no longer needed to fear the environment where the foot shocks had once occurred. "In our study, we employ mi...The origin of perennial water-ice at the South Pole of Mars
... the form of water vapour, to then re-condense and freeze on the surface. Up to 1 millimetre of water ice was deposited at the South Pole every year. After Mars has spent more than 10 000 years in that climatic configuration, this accumulation led to a layer up to 6-metre thick. About 10 000 years ago th...Germany's embryo protection law is 'killing embryos rather than protecting them'
... when they are no more than a collection of cells, freeze any surplus embryos and transfer no more than one ...h eggs are being collected from the first cycle to freeze for use at a later date if the first cycle using the fresh eggs fails. This is much better for the h...First baby is born after oocytes were matured in the lab and frozen
...s from unstimulated ovaries, mature them in vitro, freeze and thaw them and then achieve pregnancies and live births, without the risk of aggravating the patients hormone-sensitive disease, delaying their treatment for cancer or re-instituting a metastatic malignant disease, he concluded. ...Extracting eggs from pre-pubertal cancer patients brings hope for future fertility
... Scientists in Israel have been able to obtain and freeze eggs from the ovarian tissue of girls as young as ...s not possible, and the method normally used is to freeze the ovarian cortex, which contains the egg-producing follicles, for transplantation at a later date....Arctic spring comes weeks earlier than a decade ago
...ticwith just three to four months from snowmelt to freeze up at our Zackenberg study site in northeast Greenland, Hye said. They also found considerable variation in the response to climate change even within species, he added, with much stronger shifts in plants and animals living in areas where the snow...A new wrinkle in evolution -- man-made proteins
...he distinct advantage over nature of being able to freeze the evolution of our lab-evolved proteins at different time points to begin to tease apart this random process and relate it to the final protein function," said Chaput. Next, Chaput plans on further expanding his efforts to evolve proteins with ne...Freeze! Scientists film proteins at work by freezing them at different states
...the team used the ESRF-IBS Cryobench laboratory to freeze the protein in three different states while the reaction took place. In order to make sure that they trapped the right intermediate states, the researchers used the technique of Raman spectroscopy. This technique provided them with strong evidence th...Mutation improves memory, may lead to memory-enhancing pill
...ad experience is determined based on how much they freeze in response to the "scary" place or sound 24 hr later. Importantly, the researchers also showed that treatment of animals with a small molecule that increases eIF2a's phosphorylation led to poorer performance on the memory tests. These data stren...Physicists reveal water's secrets in journal Science
...om puddles to oceans, might boil during the day or freeze solid at night, regardless of the season. Water's unique characteristics are directly related to its molecular structure and the ability of water molecules to form hydrogen bonds with other water molecules. The hydrogen side of the water molecule...Cold storage solution for global warming?
...t look like normal ice and form when gas and water freeze together at low temperature and high pressure. They are made of a cage of frozen water molecules with the gas molecules trapped inside." Although gas hydrates were first discovered two centuries ago, the possible use of carbon dioxide hydrate as a...Rural America more prepared for disaster -- also more vulnerable
...reactive than proactive; we wait for the first big freeze to go out to buy shovels, flares for the car and plastic to cover windows," said Flint. "Before disaster strikes, CERTS can do a lot in a community to be proactive by building awareness, educating and training. In rural communities, they may do work...Annual plants may cope with global warming better than long-living species
... out today and collect a large number of seeds and freeze them, they will be a resource available to the next generation of scientists," Weis said. "Because of global warming, the evolution explosion is already under way. If we act now, we'll have the tools necessary to determine in the future how species r...Durable critters providing insight for human egg preservation
... cryopreservation is relatively successful, but to freeze oocytes, we have to overcome many hurdles," he say...e protective, exterior jelly coat of an egg doesnt freeze well. The jelly coat protects the egg from mechanical stress and serves as a receptor for sperm. Spe...ACS News Service Weekly PressPac -- Oct. 18, 2006
...heir potential as a new energy resource and a deep freeze to store greenhouse gases like carbon dioxide. Methane hydrates are literally ice that burns frozen methane (the main component of natural gas) found in vast natural deposits beneath the seafloor in coastal areas of the United States and certain o...Fossilized liquid assembly: Nanomaterials research tool
...ll be able to build complex dynamic structures and freeze them into solid form, studying self-assembly under the microscope. "How do you take a snapshot of shampoo in action?" asks physicist Jason Benkoski, first author of the paper. "We can now directly observe these small, mobile, delicate structures." ...What animals can tell us about hemorrhage, organ transplants and aging
...og through wetlands, studying frogs that literally freeze during the winter, then hop away in the spring as though nothing unusual occurred Comparative physiologists study all kinds of animals -- bears, frogs, snakes, squirrels, seals, oysters and a host of other animals to answer the question "How do th......t out uranium's hiding place in contaminated soil, freeze the dirt and zap it with a black light, an environmental scientist reported Tuesday at the American Chemical Society national meeting. Scientists have long known that uranium salts under ultraviolet light will glow an eerie greenish-yellow in the da...