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Oldest stars may shed light on dark matter, researchers report in Science
09-13-2007 · EurekAlert!The universe's earliest stars may hold clues to the nature of dark matter, the mysterious stuff that makes up most of the universe's matter but doesn’t interact with light, cosmologists report.
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- Study sheds new light on early star formation in the universe
09-13-2007 · EurekAlert!
A groundbreaking study has provided new insight into the way the first stars were formed at the start of the universe, some 13 billion years ago. Cosmologists from Durham University, publishing their results in the prestigious international academic journal, Science, suggest that the formation of the first stars depends crucially on the nature of "dark matter," the strange material that makes up most of the mass in the universe.
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- Testing delays cause severe AIDS complications, Einstein researchers find
11-02-2007 · EurekAlert!
Despite the availability of life-saving antiretroviral treatment, people infected with HIV continue to die and suffer from complications of AIDS, mainly due to delayed diagnosis and initiation of treatment. A researcher at the Albert Einstein College of Medicine of Yeshiva University and colleagues at Yale University have shed light on why this problem persists. They report their findings in the November issue of the journal Medical Care.
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- Biological markers of prostate cancer shed light on cancer burden faced by African-American men
11-29-2007 · EurekAlert!
Researchers based at Tulane University report the discovery of biological markers of prostate cancer which are involved in the growth of tumor cells, shedding light on the genetic basis for the prostate cancer burden faced by African-American men. The research is being presented today at the American Association for Cancer Research conference on The Science of Cancer Health Disparities in Racial/Ethnic Minorities and the Medically Underserved, being held Nov. 27-30.
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- A unique arrangement for egg cell division
08-09-2007 · EurekAlert!
Using a powerful microscope, researchers from the European Molecular Biology Laboratory have now revealed how the molecular machinery functions that is responsible for chromosome reduction of egg cells in mice. In the current issue of Cell they report the assembly of this machinery, which is very different from what happens in all other cells in the body. The process is likely conserved across species, and the new insights might help shed light on defects occurring in human egg cell development.
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- Intergalactic 'shot in the dark' shocks astronomers
12-18-2007 · EurekAlert!
A team of astronomers has discovered a cosmic explosion that seems to have come from the middle of nowhere -- thousands of light-years from the nearest galaxy-sized collection of stars, gas, and dust. This "shot in the dark" is surprising because the type of explosion, a long-duration gamma-ray burst, is thought to be powered by the death of a massive star.
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- Asymmetric ashes
11-30-2006 · EurekAlert!
Astronomers are reporting remarkable new findings that shed light on a decade-long debate about one kind of supernovae, the explosions that mark a star's final demise: Does the star die in a slow burn or with a fast bang? From their observations, the scientists find that the matter ejected by the explosion shows significant peripheral asymmetry but a nearly spherical interior, most likely implying that the explosion finally propagates at supersonic speed.
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- Star light, star bright: FSU facility duplicating conditions of supernovas
08-14-2007 · EurekAlert!
How is matter created? What happens when stars die? Is the universe shrinking, or is it expanding? At Florida State University, a new facility known as RESOLUT is helping physicists conduct experiments that may help provide answers to just such questions.
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- BCM, Rice scientists map flu's chemical key
10-15-2007 · EurekAlert!
Scientists from Baylor College of Medicine and Rice University have developed the first 3D, molecular map of the protein that allows influenza B to infect healthy cells with viral DNA. The research appears online this week in the Proceedings of the National Academy of Science. By studying influenza B, which affects only humans, researchers hope to shed light on the genetic mutations that would allow bird flu to spread among humans.
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- New research sheds light on 'Hobbit'
09-20-2007 · EurekAlert!
An international team of researchers led by the Smithsonian Institution has completed a new study on Homo floresiensis, commonly referred to as the "hobbit," a 3-foot-tall, 18,000-year-old hominin skeleton, discovered four years ago on the Indonesian island of Flores. This study offers one of the most striking confirmations of the original interpretation of the hobbit as an island remnant of one of the oldest human migrations to Asia. The research is being published in the Sept. 21 issue of Science.
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- Researchers shed light on shrinking of chromosomes
06-11-2007 · EurekAlert!
Now researchers from the European Molecular Biology Laboratory for the first time tracked chromosome condensation in mammalian cells over the entire course of cell division. In this week's advanced online publication of Nature Cell Biology they report crucial new insights into timing, function and molecular basis of chromosome condensation.
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