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Tag: "satellite" at biology news

FDA approves child-friendly AIDS medicine

...Data, agricultural operations, as well as maps and satellite images of schools, neighborhoods, and medical facilities, that will help assess the short and long effects of Katrina on the Gulf region. "With a disaster of this magnitude, people need many things, including easy access to science based informatio...

NIEHS launches website with information for assessing environmental hazards from Hurricane Katrina

...Data, agricultural operations, as well as maps and satellite images of schools, neighborhoods, and medical facilities, that will help assess the short and long effects of Katrina on the Gulf region. "With a disaster of this magnitude, people need many things, including easy access to science based informatio...

NASA satellite data provides rapid analysis of Amazon deforestation

Editor : Be sure to check out all the satellite images showing areas of deforestation on the NASA...ntinues to advance and a new study shows that NASA satellite images can allow scientists to more quickly and accurately assess deforestation in the Amazon. Rese...

Disappearing arctic lakes linked to climate change

...ing Arctic Lakes" is the result of a comparison of satellite data taken of Siberia in the early 1970s to data f...g in Siberia," said Hinzman, who has also compared satellite data of tundra ponds on the Seward Peninsula near Council, Alaska and found that the surface pond ar...

Sensor web simulation investigates technique to improve prediction of pollution across the globe

... the needs of the team members. The sensors on one satellite react to data and information sent to it from other sensors on other satellites that have different but complementary capabilities. The sensors then change their observing strategy accordingly, to target and then collect data for a particular event."...

Study uncovers dirty little secret: Soil emissions are much-bigger-than-expected component of air pollution

...dioxide, part of the nitrogen oxides family. Other satellite instruments can detect large fires and the resulti...ozone-monitoring experiment, Jaeglé said. But the satellite also picks up other nitrogen oxide signals not attributable to fuel combustion or burning, and those...

Carnegie Mellon cyLab researchers work to develop new red tide monitoring

...to track harmful ocean objects from NASA's SeaWiFS satellite images and NOAA's oceanographic data. These harmful ocean objects, known as red tide, include a naturally occurring microscopic algae Karenia brevis, which form only in the Gulf of Mexico and release toxins deadly to fish and marine mammals. The red ...

Lands surface change on Alaska tundra creating longer, warmer summers in Arctic

...ceable increase in shrubs. This is observable from satellite data and by observations on the ground. Native American people in the region and nearby areas also have noted the changes in weather and vegetation." Because there is a shorter period of snow on the ground, solar radiation is absorbed by the land su...

MERIS monitoring tracks planetary photosynthesis levels

...elated FAPAR algorithms developed by JRC for other satellite sensors, including NASA's MODIS and SeaWiFS, intended to ensure the availability of a long time series of global products. The latter are essential to assess environmental trends, guide policy making and support sustainable development. "Considerab...

Woods Hole Research Center plans controlled burn in Amazon rainforest

...ollaborators at Stanford University are collecting satellite data prior to and after the burn for each of the 3...ever possible, our burns are also scheduled during satellite overpasses, to allow collection of remotely sensed thermal data for comparison with our detailed gro...

New defibrillator signals doctor of patient's irregular heartbeat or device malfunction

...hich automatically signals the doctor via wireless satellite transmission if the patient's heart beats abnormal...rdioverter defibrillator (ICD) sends a signal to a satellite via a small transmitter that can be placed on a nightstand, worn on a belt or kept in a purse. In a...

Young Blood Revives Aging Muscles, Stanford Researchers Find

...ndo and his group studied specialized cells called satellite cells, the muscle stem cells, that dot muscle tiss...ey do in young mice and humans. In older mice the satellite cells hold the same position, but are deaf to the muscle's cry for help. In the Nature study, Rando ...

Scientists analyze chromosomes 2 and 4

...rized by a type of DNA duplication, known as alpha satellite repeats, that is a hallmark of centromeres. In addition, the tract is flanked by an unusual abundance of another type of DNA duplication, called a segmental duplication. "These data raise the possibility of a new tool for studying genome evolution. ...

Hydrogen and methane provide raw energy for life at 'Lost City'

... Girls Clubs across the nation will have access to satellite transmissions during the journey. Although nobody has yet found another field like Lost City, Kelley says she's 100 percent sure others exist because there are so many other places mantle rock has been thrust up through the seafloor, exposing it to ...

Innovative collaboration brings Arctic science into the classroom

...mmunications with students and the public, using a satellite phone hooked to a laptop computer for internet communications. According to Holmes, "Getting kids excited about science is the most important thing. If they realize that science is an exciting process as opposed to a bunch of boring facts to memorize...

Finding hidden invaders in a Hawaiian rain forest

...ve the forest canopy using traditional aircraft or satellite approaches, but the new methods are sensitive to its high water content. In addition, the aircraft-based analysis discovered that ginger reduces the amount of nitrogen in the Metrosideros forest canopy--a discovery that was later corroborated by grou...

Oceans more vulnerable to agricultural runoff than previously thought, study finds

...han was previously assumed. The study is based on satellite imagery of Mexico's Gulf of California, also known... analyzed a series of images from an orbiting NASA satellite called SeaWiFS, which is equipped with special light-sensitive instruments that can detect phytoplan...

Researchers discover underwater volcano

...nd a research vessel with the help of HiSeasNet, a satellite communications system that provides continuous Internet connectivity for oceanographic research vessels at sea. ...

NASA study finds snow melt causes large ocean plant blooms

...t Boothbay Harbor, Maine. Goes and colleagues used satellite observations of ocean color to show phytoplankton concentrations in the Western Arabian Sea have increased by more than 350 percent over the past seven years. The study is in this week's SCIENCE magazine When winter and spring snow cover is low over...

Marburg haemorrhagic fever in Angola update

...nitial expectations. Needs, which have ranged from satellite telephones and hand-held radio sets to vehicles, protective equipment, disinfectants, and specialized staff, have been rapidly communicated and immediately met. WHO and its partners are nonetheless prepared and organized to continue the outbreak res...

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