A small leak will sink a great ship
...sacks and the innermost whorl holds carpels, which later give rise to the fruit and seeds. This basic architecture is comparable in higher plants prompting the question after common components of a genetic 'masterplan.' Scientists in the group of Zsuzsanna Schwarz-Sommer investigated a mutant of snapdrago...A new system for collaboration in cell communication
...ight into how these mechanisms work so that we can later manipulate and control them. Many of these pathways and signalling systems have been observed throughout evolution and hence, studies with models such as the fruit fly, can provide further insight into how these signalling mechanisms work in humans...Pregnancy nausea/vomiting may indicate lower risk of breast cancer
... 30 percent lower risk of developing breast cancer later in life than mothers-to-be who experience nine nausea-free months, a new study by epidemiologists at the University at Buffalo suggests. Although the exact mechanism responsible for causing nausea and vomiting during pregnancy has yet to be pinpoin...Gene therapy study shows safety and statistically significant improvement in Parkinson's disease
...nning a larger Phase 2 study in Parkinsons disease later this year. Moreover, the results also provide a solid foundation for the development of our other therapeutic programs, including epilepsy where we plan to initiate a Phase 1 gene therapy study this year. Study Design The study included 12 pati...Mathematics reveals genetic pattern of tumor growth
...n early stages of development and become stable in later stages. In other words, tumors thrive when cancero... of tumor growth, instability is advantageous, and later on it becomes an impediment. This explains why many tumors exhibit a high level of instability at fi...UN issues analysis of global investors' sustainable energy 'gold rush'
...d of post-2012 climate change-related negotiations later this year, the report clearly shows that, amid much discussion about the technologies of tomorrow, the finance sector believes the existing technologies of today can and will decarbonize the energy mix provided the right policies and incentives are i...A faster way to recover from chemotherapy and marrow transplant
...lls to a plate then checking each embryo 24 hours later to monitor its development and count its blood stem cells. The screen identified 82 chemicals that markedly increased or decreased gene activity. Of these, 10 turned out to affect the prostaglandin pathway: five increased the formation of blood ste...Arctic spring comes weeks earlier than a decade ago
...s and animals living in areas where the snow melts later in the year. That variation could lead to particular problems by disrupting the complex web of species interactions, Hye said....Children born after PGD as healthy as those born after conventional IVF treatment
...aires were sent during pregnancy, at delivery, and later on to the patients, their gynaecologists, and paediatricians. Children were examined at 2 months and 2 years old. After embryo transfer, 563 children of the 583 were liveborn, 20 were stillborn, and 9 died neonatally. It seems that the perinatal...CSHL scientists successfully target tumor microenvironment to stop cancer growth
...f EPCs in tumors were probably looking for them in later stages of tumor progression when EPCs are diluted by host endothelial cells. The new results show that EPCs are only present in the earliest stages of tumor progression, before the formation of blood vessels. We found that the role of EPCs is to dir...Pendulum love, science class gender gaps, musical mind mirrors, and unparticle physics
...nergy proton collider due to come online in Europe later this year. The odds of any unparticle stuff turning up at the LHC are extraordinarily slim, but if it does, we'll know it by an unusual signature. It will appear as though some of the energy from the collider's high energy experiments is carried aw...Human activities increasing carbon sequestration in forests
...he atmosphere, instead of sequestration as they do later on. The end result is a highly variable forest carbon cycle that appears to be heavily influenced by the footprint of humans, one way or another. Its a complicated process with powerful driving forces that were poorly understood, said scientists fr...UVa-led team uncovers important secret in gene replication
...ere chromatin is dense, these genes are replicated later and are not expressed. Our work showed that by ...s or the biotech firms. We are all anxious because later this summer we will find out if we will receive the money to study the remaining the 99 percent of t...Study shows lizard moms dress their children for success
...y edition of the journal Ecology Letters (and in a later print issue), the researchers reported that female side-blotched lizards give an extra dose of the hormone estradiol to their eggs in certain social circumstances. The extra hormone affects the back patterns of lizards that hatch from those eggs, cre...Cancer stem cells can go it alone
...e like normal adult stem cells. But it wasnt until later that we could demonstrate that a single LA7 cell can also form heterogenous tumors and behave also as a cancer stem cell, remembers Zucchi. The fact that tumor cells and stem cells share many properties has been known for quite some time. The abili...Researchers shed light on shrinking of chromosomes
...bergs lab, we think that the super condensation at later stages helps to disentangle such chromosomes and acts as a back-up mechanism to rescue separation defects. The EMBL researchers found that an enzyme called Aurora kinase is crucially involved in this process. Blocking this enzyme abolishes late conde...Ancient DNA traces the woolly mammoth's disappearance
...ingle population. The DNA further suggests that no later than forty thousand years ago, one of the groups died out, leaving only the second alive at the time of the mammoths last gasp. At a time when we should be very concerned about the potential extinction of many existing large mammals, studying those...QUT microgravity tower attracts global scientific community
...n hemispheres only microgravity tower is completed later this year. The microgravity tower will allow scientists to study, in a reduced-gravity environment, many diverse phenomena in many fields including nanomaterials, new materials, fire-safety, metallurgy, biotechnology and combustion. The towers ...Satellite images show destroyed and threatened villages in Darfur
...hotographed at the end of 2004. An image two years later shows the near total destruction of the village, with 1,171 homes classified as "definitely destroyed." Most of the huts have disappeared, Bromley said, and homestead areas have become overgrown with vegetation. Photos in 2004 of an area called Is...