The researchers reveal the role of the innate immune cells, especially the dendritic cells, that cause the activation of the killer T-lymphocytes whose action is directed against the p pancreatic cells. The results obtained in mice make it possible to consider new ways of regulating the auto-immune reaction generated by the innate immune cells.
Heavens
Washington, D.C.— An international team of scientists, including Carnegie's Paul Butler, has discovered that Tau Ceti, one of the closest and most Sun-like stars, may have five planets. Their work is published by Astronomy & Astrophysics and is available online.
Washington, D.C.— An international team of scientists, including Carnegie's Paul Butler, has discovered that Tau Ceti, one of the closest and most Sun-like stars, may have five planets. Their work is published by Astronomy & Astrophysics and is available online.
Planetary nebulae represent a final brief stage in the life of a star like the Sun. While consuming the last of the fuel in its core, the star expels a large portion of its outer regions, which then heats up and glows brightly, showing intricate structures that scientists are still trying to fully understand. The structure visible within NGC 5189 is particularly dramatic, and Hubble's image of the nebula is by far the most detailed yet made of this object [1].
Alexandria, VA – In 1859, the largest recorded coronal mass ejection (CME) from the sun, known as the Carrington Event, disrupted what little electrical technology was used at the time. Back then, that meant the temporary disruption of the telegraph system. Today, without an effective warning mechanism in place, a solar storm of that magnitude could wreak havoc on our technology-dependent world. And with the solar maximum predicted to occur later this year, scientists and policymakers are scrambling to prepare us for when the next big solar storm hits.
Researchers from North Carolina State University have created conductive wires that can be stretched up to eight times their original length while still functioning. The wires can be used for everything from headphones to phone chargers, and hold potential for use in electronic textiles.
To make the wires, researchers start with a thin tube made of an extremely elastic polymer and then fill the tube with a liquid metal alloy of gallium and indium, which is an efficient conductor of electricity.
Researchers from the University of Southampton have called in to question a 40 year-old theory explaining the periodic speeding up or 'glitching' of pulsars.
A pulsar is a highly magnetised rotating neutron star formed from the remains of a supernova. It emits a rotating beam of electromagnetic radiation, which can be detected by powerful telescopes when it sweeps past the Earth, rather like observing the beam of a lighthouse from a ship at sea.
Daejeon, Republic of Korea, December 18th, 2012—Cell phones are becoming ever smarter, savvy enough to tell police officers where to go to find a missing person or recommend a rescue team where they should search for survivors when fire erupts in tall buildings. Although still in its nascent stages, indoor positioning system will soon be an available feature on mobile phones.
Cyclone Evan is one of the strongest cyclones to affect Fiji in almost two decades, and NASA satellites are analyzing the storm and providing data on rainfall, cloud height, temperature data and more to forecasters.
According to NBC News, over 3,500 people in Fiji went to emergency shelters. Today, Dec. 17, Evan is lashing Fiji, just days after battering Samoa where it killed at least three people and left thousands homeless.
The radar on NASA's Tropical Rainfall Measuring Mission (TRMM) satellite had observed Tropical Cyclone Evan four times as of Sunday, Dec. 16, and two of those overflights merit a closer examination.
TORONTO, Dec. 17, 2012—New research has answered one of the most common questions parents ask their doctors: How much milk should I be giving my children? The answer is two cups per day.
"We started to research the question because professional recommendations around milk intake were unclear and doctors and parents were seeking answers," said Dr. Jonathon Maguire, a paediatrician at St. Michael's Hospital and the lead author of the study.
Imagine riding in an airplane as the plane is jolted back and forth by gusts of wind that you can't prove exist but are there nonetheless.
Similar turbulence exists in space, and a research team led by the University of Iowa reports to have directly measured it for the first time in the laboratory.
A new stem cell-derived system for screening experimental drugs for cardiotoxicity could identify dangerous side effects early in the development process, thereby potentially saving time, lives and money, according to Evan F. Cromwell, PhD, of Molecular Devices, LLC, Sunnyvale, CA, in a presentation at the American Society for Cell Biology's Annual Meeting, Dec 17 in San Francisco.
Current special education laws are geared towards integrating special-needs children into the general classroom environment from a young age, starting as early as preschool. Prof. Tova Most of Tel Aviv University's Jaime and Joan Constantiner School of Education and the Department of Communications Disorders at the Stanley Steyer School of Health Professions says that these laws present a unique set of challenges for children with hearing loss, and that a sense of isolation may inhibit a successful education.
Alexandria, VA – For more than 35 years, scientists from the Antarctic Search for Meteorites (ANSMET) program have been scouring glacial landscapes in search of meteorites. Since 1976, teams of physicists, meteorite specialists, and mountaineers have recovered thousands of untouched specimens from meteoroids, the moon and even Mars. Despite subzero temperatures and razor-sharp winds, scientists are lining up for the chance to experience the ultimate hunt for alien objects in the alien environment.