Offspring whose parents have long lives appear to have lower heart risks in middle age
...r may have fewer risk factors for heart disease in middle age, according to a report in the March 12 issue o... more advantageous cardiovascular risk profiles in middle age compared with those whose parents died younger and that the risk factor advantage persists over ...Scientists uncover link between ocean's chemical processes and microscopic floating plants
...levels expected at the end of this century and the middle of the next one. The study, funded by the National Science Foundation (NSF), New Mexico Tech and the Comer Foundation, sheds light on how chemical processes that occur throughout the world's oceans help regulate Earth's climate. Other recent scientif...Transport interrupted -- Texas A&M biologists trace cause of early blindness to tissue defect
...een years and progressing to complete blindness by middle age. Using a line of mutant zebrafish developed by Rockefeller Universitys Jim Hudspeth, Perkins and Texas A&M biology graduate student Bryan Krock zeroed in on a specific protein, the Rab escort protein-1 (REP1), which helps regulate intracellular...Paper challenges 1491 Amazonian population theories
...sat either ends, and the majority of people are in middle but there's atendency of drifting toward the high end." For example, he says 1950s population estimates were 1 million, in the70s that estimate drifted up to 4 million; and in the 1990s drifted upto 10 million. "We've now got a polarized communit......ea thousands of square kilometres in extent in the middle of the Atlantic where the Earth's crust appears to be missing. Instead, the mantle - the deep interior of the Earth, normally covered by crust many kilometres thick - is exposed on the seafloor, 3000m below the surface. Marine geologist Dr Chris ...New DNA study helps explain unique diversity among Melanesians
...an incredible length of time, not quite out in the middle of the Pacific, but beyond Australia and New Guinea. During this time they developed this pattern of DNA diversity that is really quite extraordinary, and includes many genetic variants that are unknown elsewhere, that can be tied to specific island...Newborns with respiratory distress potentially have rare genetic disease
...out of the respiratory tract, including the lungs, middle ear and paranasal sinuses, have abnormal or no motion. As a result, the airways become obstructed and infected, which incites a destructive inflammatory process in those organs. Cilia are also present in the female reproductive system, central nervou...DNA ends: Common tool, different job
... Bank for relatives of Stn1, they dug up Rpa2, the middle subunit of the RPA complex. In particular, Stn1 and Rpa2 share similarities in a region known as oligonucleotide/oligosaccharide-binding fold or OB-fold, a protein fold that is commonly used to recognize and bind to either DNA or RNA. Based on the...International study points to new breast cancer-susceptibility gene
...pattern of the disease. "The mutation causes the middle portion of the PALB2 protein to be truncated," Xia remarked. "That seems to hinder its ability to bind to BRCA2, which, in turn, hinders DNA repair. The screening result suggests that carrying the mutation increases ones risk of breast cancer approxi...'Electric' fish shed light on ways the brain directs movement
...of time to avoid overshooting and ending up in the middle of a busy intersection," Fortune said. "Your brain has to do this all the time when controlling movement because your body and limbs, like a car, have mass. This is true for large motions that require planning, such as driving a car, but also for unc...NJIT awarded $1.1M NSF grant to change way inner-city students learn
...ering design. The NJIT professors realize that the middle and high school students may not be able to work on the same level, but note that kits can be adopted for other age groups. "We hope to make a difference in the lives of youngsters and teachers who, without this opportunity, might have no or minima...Nevada scientist part of team that discovers hybrid speciation in butterflies in Sierra
...e at their peak flight for only a few weeks in the middle of the summer," Forister said. The field work proved to be just as important as the laboratory work, as the team made important findings regarding the new species adaptive habits. Though the climate is extreme at high elevations and the flying seaso...Fish can determine their social rank by observation alone, study finds
...ments. In each test, a bystander was placed in the middle compartment between two sets of rivals that he had never seen together--A and E (AE), and B and D (BD). At this point in the experiment, all the rivals had recovered from earlier losses, so their physical appearance was similar, right down to the eye...Motor protein plays key role in connecting neurons
...osin is done. There are many cleavage sites in the middle and this typically large molecule can be cut down to a small molecule that actually inhibits axon growth function," Dr. Xiong says. She suspects that negative function surfaces when the spinal cord is cut and plans to examine whether the protein is...ACS News Service Weekly PressPac -- Jan. 17, 2007
...umbs-up conformation or into a shape involving the middle finger that conveys another sentiment altogether," Amato explains. The article discusses how new research is revealing that this phenomenon -- termed silent polymorphism -- may be quite vocal biologically. It is involved, for instance, in the mechan...Tears reveal some of their deepest secrets to researchers
...s over the surface of the eye. It keeps the watery middle layer in place, ensuring that our eyes stay moist. Finding these lipids may help scientists better understand the causes of eye-related disorders such as dry eye disease, which affects anywhere from 12 to 14 million Americans, said Kelly Nichols, t...'Speechless' and 'Mute' help break the silence of the leaves
...r gene, one they named Mute, that triggers the key middle step that decides when a cell will fully become a stomata. Earlier this year the Stanford group published findings about the gene that controls the final step in stomata development, called Fama. "In the last few months, we've gone from knowing surp...Maxine F. Singer to receive Public Welfare Medal
...D.C. third-, fourth-, and fifth-graders -- and now middle school students -- attend an innovative Saturday science school. Both programs continue to this day. "Dr. Singer is a champion of quality science and mathematics education and of the essential role of partnerships between scientists and educators i...Gene that makes people 'early to bed and early to rise' demystified
..., such as nurses who must care for patients in the middle of the night, to synchronize their internal clocks with their regular or changing daily routines, the researchers said. Someday "people with jet lag or shift work--some of the most common of sleep disorders--might take a pill and be back to normal a...... they will rarely occur in small plots even in the middle of vast undisturbed forest." The question is, does isolation aggravate this pervasive effect of size. It does for many species, but surprisingly not for many others. The main methodological difficulty of this study, say the authors, was that birds...