Multiple factors affect flight power curves among species
...lish that physical structure, body mass, force and flight style all have major effects upon the magnitude an...ght into how muscles are used to produce power for flight at different speeds. Knowledge of flight capabilities would be useful in natural environment studie...New study suggests missing link that explains how dinosaurs learned to fly
...f the report, the transition from ground travel to flight may have required a "ramp-up" phase in which rapid...hool, which favored the arboreal theory, held that flight originated in tree-dwelling animals that leapt from limb to limb and eventually developed gliding st...Walking sticks lost wings, then re-evolved them
...olve a complex trait. "For complex functions like flight or sight, the idea in evolution has always been that organisms either use it or lose it," said Whiting, referring to Dollo's Law, which, as cited in the "Encyclopedia of Evolution," is "the principle that organs or complex structures cannot return to...'Moss in space' project to test how plants grow 'up'
...weeks in the dark during that flight produced elaborate clockwise spirals. We suspect that those spirals resulted from a residual spacing mechanism intended to control colony growth and the distribution of branches, Sack sa...Researchers link melanopsin gene to unexplored light detection system within the eye
...our internal body clocks to local time following a flight across time-zones." A deeper understanding of these photoreceptors may provide new ways to overcome jet-lag and treatments for disorders such as SAD (Seasonally Affective Disorder) that can be caused by a lack of light, particularly during the winter...AAAS Science Project/Unisys prize encourages student-led scientific inquiry on flight to soar
...uild their own flying craft while they examine how flight has shrunk the world's borders; Orlando, Florida... in a small aircraft as part of their studies into flight mechanics and the future of flight; and Students from Chicago's Young Women's Leadership Charter S...USC scientists uncover secrets of feather formation
...rachis, much like downy feathers are formed before flight feathers when a chicken grows up. Under the genera...to refine the process, to transform a scale into a flight machine. There were many, many intermediate stages. "While Darwin's theory has explained the 'why' o...From moon rocks to space food: UH research spans 40 years
...ehicles. UH researchers will be working to improve flight and mechanical performance and safety of future ai...raft, as well as fabricating new nanomaterials for flight vehicles that are stronger and lighter than conventional materials. One of the key players in UH's ...Colorado U. to fly hardware, experiments on space shuttle, space station
...ters for Space Commercialization with active space flight programs. The experiments, which will take place in sophisticated hardware and devices designed and built by BioServe engineers and students, are being undertaken in cooperation with research groups in both the public and private sectors. Three cell...U of C researcher tracks path of flying snake
... side to side. The Nature article, titled "Gliding flight in snakes," also describes the three-dimensional kinematics of gliding by the paradise tree snake. More specifically, the snake changes its undulation pattern while airborne: the amplitude, or height of the waves, is two to three times larger, and th...Low hemoglobin means high risk for mobility problems in elderly women
...bility tasks like walking a few blocks, climbing a flight of stairs or doing heavy housework, Chaves says: "When they have difficulty, they become more sedentary. They often lose their independence and develop substantial social and health care needs. It's a major public health problem." For the study, ...DuPont to launch soybeans into space
...soybean plants in space during NASAs space shuttle flight scheduled for takeoff Thursday, May 30. The research will determine whether plants grow differently in space and examine the effects of zero-gravity on plant growth and development. The soybeans-in-space launch is the first initiative to grow a comp...From nanotechnology to raspberries, Virginia Tech inventions and creations can improve our lives
... capable of rapid maneuvering over a wide range of flight conditions. These aircraft are equipped with redundant control surfaces to enhance maneuvering capability. It is important to find the most effective combinations of these surfaces so that the aircraft is not carrying unnecessary weight and complex h...Basic motion measuring technology may be alternative to more expensive testing procedures
...ese largest of warships have more than 11 decks, a flight deck area measuring four-and-one-half acres, and more than 3,000 rooms and compartments throughout. Todays sailors, male and female, expend considerable energy walking about these ships. Accordingly, their energy needs must be supported by a diet th...New indicators for predicting hypertension in African-American males
... pressure, and breathing rates to a given fight or flight challenge. Sympathetic nervous system activity may be representative of stress, while the parasympathetic branch may be defined as the ability to slow heart rate and blood pressure. In the normal aging process, autonomic function becomes altered and......ut supplemental oxygen. The emergency oxygen masks flight attendants show airline passengers how to use at the start of every flight are there to prevent hypoxia should the cabin lose pressure at high altitude. Learning to recognize ...New dinosaur related to Triceratops
...les. Instead, it probably relied on concealment or flight to defend itself." Liaoceratops ate plants, possibly ginkgo, horsetails or conifers. Evidence of these plants is preserved in the same rock unit in which the dinosaur was found. Its teeth were built primarily for slicing and shearing rather than grin...Scientists conduct first DNA field tests on Antarctic soil microbes
...nds research outpost on Antarctica, to catch their flight back home. At the end of 13 days of field work, the scientists had run six successful experiments that provided valuable information on the samples they were collecting. The beauty of doing this testing on site is that we can be sure that we get the ......ht and compact and integrating the system with the flight suit and helmet. Similar systems could be incorporated easily into existing equipment and into future technologies to provide cooling for ground troops, firefighters and hazardous materials emergency responders.......cholocation is the method bats use to direct their flight and avoid solid objects. The creatures emit high-pitched cries, which are inaudible to human ears but are heard by bats as reflected echoes from objects in their path. The primary auditory cortex is key to the pallid bats ability to perform frequency...