Tag: "astronauts" at biology news
American Cancer Society funds Space Station scientist who studies how good cells turn bad
... crystals float in their solutions - much like the astronauts
float through the Station. On Earth, the heavy crystals sediment, or sink, to the bottom of flasks and often stick together. This sometimes results in small, cracked, poorly formed crystals. Borgstahl and Snell got their first taste of success on the...
Brookhaven Lab scientist wins Environmental Mutagen Society Award
...to estimate the magnitude of mutations in sperm of astronauts
resulting from exposure to high-energy cosmic rays in outer space. They are using fish native to Japan, called medaka. Male fish are exposed to energetic nuclei from Brookhavens particle accelerator, the Alternating Gradient Synchrotron, and mated wi...
Gene discovery linked to muscle atrophy in numerous conditions
...idden to those losing muscle while in a cast. Even astronauts
on long missions, who lose muscle while in space, will need a means to control muscle loss. "If you could inhibit atrogin-1 or block a cell's ability to make it, you could reduce muscle wasting," Goldberg said. "Atrogin-1 is an attractive target for ...
Stanford scientist seeks participants in NASA hypergravity study
...r wanted to experience the sensation space shuttle astronauts
feel during liftoff and landing - or if spinning a...flexes and our bones. Interesting things happen to astronauts
when they are weightless for long durations. They become de-conditioned - that is, their tolerance f...
UT Southwestern space researchers pinpoint mechanism involved in loss of consciousness after space flight
...oss of consciousness and lightheadedness that many astronauts
experience in the upright posture after space flig...edicine, both in space and on earth. Two-thirds of astronauts
experience orthostatic intolerance after space flight. Symptoms include lightheadedness, dizziness, ...
Gender issues related to spaceflight: A NASA perspective
...d conclusions about gender-specific differences in astronauts
or to determine their impact on the health of male...pecific physiological changes and health issues in astronauts
for future consideration and in light of the expectation that the number of female astronauts
Science steps up on International Space Station with new experiments, fresh crew to operate them
...rch. The three new Expedition Four crew members - astronauts
Carl Walz and Dan Bursch and cosmonaut Yuri Onufrienko -- will devote about 300 hours to research during their stay on the Space Station. The ground team at the Marshall Center will plan, operate and monitor science operations for five months, until ...
HFES honors 2001 awardees at 45th Annual Meeting
...he Glovebox and restraints are designed for use by astronauts
conducting experiments in the microgravity environment of low-Earth orbit. Whitmore is manager of the Human Engineering Integration Team and Usability Testing and Analysis Facility at the NASA Johnson Space Center, Houston, Texas. Charles J. Lloyd R...
Space Research Briefs - Sept./Oct. 2001
...and on Earth HOUSTON - Bone loss is a problem for astronauts
spending months or years in space. National Space ...owing these measurements while in space will allow astronauts
to either increase exercise or take medications to counter the loss of bone and muscle mass due to l...
New science investigations, a fresh team ready for Expedition Three on International Space Station
... link Earth-bound researchers with experiments and astronauts
aboard the Space Station. "Science is happening on the station 24-hours a day-- even when the crew is sleeping," said Ray Echols, the lead payload operations director who heads the cadre working in the science control center at Marshall. "Allocation ...
NASA helps conservation biologists get the big picture
...h -- from satellite images to photographs taken by astronauts
-- can give conservation biologists the big pictur...ational Park. Nearly 400,000 photographs taken by astronauts
since the late 1960s are available in a searchable database at http://eol.jsc.nasa.gov/sseop . This...
New study questions role of ginseng as mood enhancer
...ing ploys used to push ginseng promoted its use by astronauts
and professional athletes, and claimed it did everything from easing childbirth to working as an aphrodisiac. The study by Cardinal and Hermann J. Engels of Wayne State University focused only on the alleged psychological properties of ginseng. The ...
High-flying UC Berkeley students ride "vomit comet" in search of better way to cut bone loss in space
... proposed to test an improvement to the treadmills astronauts
pound regularly in space to prevent bone loss and ...tential injury. Without such high-impact exercise, astronauts
can lose as much as 2-3 percent of their bone mass per week. With the help of NASA scientists and a ...
Researchers study muscle cell damage that occurs when astronauts return from space
...is more akin to time spent as a couch potato. When astronauts
return and reload muscles B particularly with acti...we might be able to promote it and, in the case of astronauts
or trauma victims or other people with massive muscle damage, we might be able to facilitate the rep...
UC Davis science newstips Feb 01
...ration," said department chair Chuck Fuller. When astronauts
are weightless for more than a short time, bones lose calcium, muscles wither, and blood moves from the legs to the face and head. The heart becomes weaker, because it has less resistance to push against. There are also changes in circadian rhythms, ...
New NASA web site features women's contributions to NASA's Microgravity Research Program
...ny roles in microgravity research. They range from astronauts
who design experiments and conduct them in space -- to scientists who have made ground-breaking discoveries -- to engineers who are designing major facilities for the International Space Station, the first permanent, international space laboratory. ...
Meet Conan the Bacterium
...ld be genetically altered to produce medicines for astronauts
in the short-term, rather than hauling an entire pharmacy along on the trip, and restructuring Mars for human habitation in the long-term. With R. Sridhar of Howard University Medical Center in Washington, D.C. and Dr. Michael J. Daly of the Unifo...
Clemson forum may help decide design of future space suits
... initial flight itself will take three years, with astronauts
expected to stay on the planet1s surface for up to...issions to the moon. Gravity will also subject the astronauts
to a greater potential for fatigue, which means that suits must be far lighter and more ergonomic th...
Astronauts blame their space station symptoms on bad air
...ome? That'swhat NASA officials are wondering after astronauts
who ventured inside earlierthis year suffered head...docked with the International SpaceStation in May, astronauts
spent hours inside installing equipment. NASAisn't giving out many details, citing medical pr...
Center For Ion Mobility Spectrometry Established At INEEL
...mponent of rocket fuel, hydrazine, in the air that astronauts
breathe withinthe Space Shuttle. INEEL's expertise, said Atkinson, spans all of these areas. "We can dosome of the things that they can't do, and the universities offer some thingsthat the national lab can't do," he said. "We were already w...
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