Climate change plus human pressure caused large mammal extinctions in late Pleistocene
.... Another suggestion, dubbed "sitzkrieg" after the term for a "sitting" war that shows slow or no progress, is that humans caused extinction through long-term habitat alteration. Barnosky and his colleagues found sparse evidence outside Australia that humans were the sole cause of extinction. Data are ske...'Dead zone' area shrinking, Texas A&M prof says
...e areas that were previously hypoxic - a technical term for extremely low dissolved oxygen concentrations in water - had broken up and appeared to pose little threat to marine life, while in other areas the hypoxia appeared to have moved further off shore. Hypoxia can result in fish kills and can adversel...New study indicates arsenic could be suitable as first-line treatment in type of leukaemia
...mia. It is already licensed as an orphan drug (the term for drugs intended to treat rare conditions) for patients who have relapsed after initial therapy for acute promyeloctytic leukaemia (APL). But now, a research team led by Dr. Ardeshir Ghavamzadeh and Dr. Kamran Alimoghaddam at Tehran University of M...Half-million dollar landmark achieved for the Methuselah Mouse Prize
...l of $500,000 in funding commitments with the long term support commitment from an anonymous supporter making his donation in the name of the X PRIZE Foundation, the multi-million-dollar bounty which has successfully encouraged the development of private passenger space travel. "We've seen how prizes suc...DNA barcode finds four new bird species
...pecies the sequence varies slightly. He coined the term DNA barcode for this idea, analogous to the supermarket barcodes that allow quick identification of millions of items. The technique depends on analyzing a portion of a gene called cytochrome c oxidase I (COI) that is found in the power s...Pig-human transplantation not PERVerted
...mstances where human cells are exposed over a long term to similar amount of pig tissue. Yong-Guang Yang and colleagues, from Massachusetts General Hospital/Harvard Medical School, provide new data that indicate the dangers of such viral transmission may be extremely low and that pigs may be a safer sour...Purdue study finds antioxidant protects metal-eating plants
...hysiology in Purdue's horticulture department. The term antioxidant generally refers to a broad class of compounds that protect cells from damage otherwise caused by exposure to certain highly reactive compounds. Understanding the mechanism behind nickel tolerance provides an important tool for researcher...JCI table of contents: 1 September, 2004
...mstances where human cells are exposed over a long term to similar amount of pig tissue. Yong-Guang Yang and colleagues, from Massachusetts General Hospital/Harvard Medical School, provide new data that indicate the dangers of such viral transmission may be extremely low and that pigs may be a safer sourc...The future of HIV therapeutics is brightening, according to Gladstone Institutes Director
...for HIV-infected patients. Prospects in the longer term are also bright, with the recent discovery of natural antiviral factors that are very active against specific forms of HIV. "The single most exciting new area of HIV basic research with strong therapeutic implications involves a host-encoded antivira...Nevada researcher re-ignites mammal reproduction debate
... the number of female offspring, while in the long term the same result may be accomplished through diet. Such a study would be able to show whether mammal populations in different regions could be increased or decreased, based on the needs of those areas, she said. In eastern Nevada, for example, declin...Illustrated guidebook published for Chinese biomedical scientists and students
...ms commonly used in laboratory life. Each tool and term is named in both simple and complex Chinese. The book also contains useful travel information for visitors to the U.S. And on an associated website ( http://chinese-english.cshl.org ), each of the English terms used in the book can be listened to, as...Newcastle scientists get UK's first stem cell license
...y competitive field which may provide immense long term benefits for people worldwide and boost the British economy. We are extremely proud that this work is being done on our site." In principle (ES) cells can be used to make any cell type in the body and so replace cells that have been lost as a r...New hypoxic event found off Oregon coast
...e El Nio/La Nia cycle, the influence of the longer term Pacific Decadal Oscillation can't be ruled out at this point," said Barth. The possibility that other climatic forces such as global warming could be causing the change in ocean circulation which sets the initial conditions for the dead zone - is po......al phenomena to be uncovered in recent years. *The term "Argonaute" refers to the squid-like appearance of the leaves of Arabidopsis mutants lacking AGO1 gene function (Bohmert et al., 1998). See also the Greek myth Jason and the Argonauts and the squid, Argonauta argo....Ocean scientists assess impact of seismic pulses in effort to protect whales
...perations may "harass" marine mammals, an industry term describing any activity that alters a mammal's normal behavior. The Service issues guidelines as to the radius in which sound pulses might be received at various high decibel levels. In the past, these radii were calculated with computer models. The ...New framework for biodiversity conservation
...y actually be counter-productive to achieving long term protection of plants and animals. Author Sandy Andelman says "Conservation agencies are spending ten's of millions of dollars on systematic planning, but it doesn't translate to saving wildlife". "We need to reallocate dollars spent on 'perfect worl...Reading hexametric rhyme supports cardiac synchronization, especially after a heart attack
... baroreflex sensitivity, which is a favorable long term prognostic factor in cardiac patients. Thus, some have endorsed recitation of specific poetry as a means to control breathing patterns. Many features of the cardiorespiratory control during recitation of poetry are still unknown. Recently, with ...Researchers identify gene for a primary form of sudden infant death sydrome (SIDS)
...a year in the US. SIDS has long been a catchall term for infants that die unexpectedly of unknown causes before their first birthday. By discovering a gene linked to some of these deaths, a team of researchers led by Dr. Dietrich Stephan, director of neurogenomics at TGen, and the paper's senior author...Carnivore extinction risk determined more by biology than human population density, says study
...hreatened could be more cost-effective in the long term than postdecline attempts to rescue them from the brink of extinction," they conclude. They suggest pre-emptive action including the establishment of population monitoring programs, or listing species under national species protection laws on the bas...Leading scientists design new framework for biodiversity conservation
...y actually be counter-productive to achieving long term protection of plants and animals. "Conservation agencies are spending ten's of millions of dollars on systematic planning, but it doesn't translate to saving wildlife," says author Sandy Andelman, Deputy Director of the National Center for Ecologic...