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Algae provide new clues to cancer
A microscopic green alga helped scientists at the Salk Institute for Biological Studies identify a novel function for the retinoblastoma protein (RB), which is known for its role as a tumor suppressor in mammalian cells.   view more (2006-10-13)

Century of data shows intensification of water cycle but no increase in storms or floods
A review of the findings from more than 100 peer-reviewed studies shows that although many aspects of the global water cycle have intensified, including precipitation and evaporation, this trend has not consistently resulted in an increase in the frequency or intensity of tropical storms or floods over the past century.   view more (2006-03-16)

'Birth control' for centrioles
Like DNA, centrioles need to duplicate only once per cell cycle. Rogers et al. uncover a long-sought mechanism that limits centriole copying, showing that it depends on the timely demolition of a protein that spurs the organelles' replication.   view more (2009-01-26)

AN INTELLIGENT COMBINATION OF MATHEMATICS AND CELL BIOLOGY COULD SPELL DEATH TO BRAIN TUMOURS
Combining two separate observations of cells in brain tumours could enable doctors to improve the success rate of radiotherapy. Speaking today (23 January) at the Institute of Physics Simulation and Modelling Applied to Medicine conference in London, chemical engineer Dr Norman Kirkby from the University of Surrey will explain how using the... view more... (2002-01-23)

Nitrogen retained through loss
The nitrogen cycle plays a major role in seagrass fields. Dutch researcher Arie Vonk studied the nitrogen dynamics of seagrasses in Indonesia. He discovered that the interaction between seagrasses, animals and microorganisms results in an efficient nitrogen cycle in tropical seagrass fields. Consequently the nitrogen lost from seagrasses is still... view more... (2008-05-23)

LSUHSC research may benefit diabetes by increasing understanding of how to control islet cell growth
Michael Lan, PhD, Professor of Pediatrics and Genetics at LSU Health Sciences Center New Orleans, is the senior author of a paper revealing the molecular mechanism of how a protein determines the fate of the cells that make and release insulin.   view more (2009-02-18)

Global structures of the DE3 tide
Researchers from LAGEO , the Institute of Atmospheric Physics, has shown that the DE3 tide can propagate up to above 110 km height and exhibits 2-year cycle oscillation. Among all the diurnal tides in the upper atmosphere, this tide is the most prominent component other than the migrating diurnal tide.   view more (2008-12-30)

Mechanism for Epstein-Barr virus protein's role in blood cancers discovered
Earlier this year, researchers at the University of Pennsylvania School of Medicine identified a link between a critical cancer pathway and an Epstein-Barr Virus (EBV) protein known to be expressed in a number of EBV-associated cancers.   view more (2005-12-27)

First-ever 'State of the Carbon Cycle Report' finds troubling imbalance
The first "State of the Carbon Cycle Report" for North America, released online this week by the U.S. Climate Change Science Program, finds the continent's carbon budget increasingly overwhelmed by human-caused emissions.   view more (2007-11-15)

Math model accurately mimics cell division in carbon-cycling bacterium
Scientists from the Department of Biological Sciences and the Virginia Bioinformatics Institute (VBI) at Virginia Tech have developed a quantitative, mathematical model of DNA replication and cell division for the bacterium Caulobacter crescentus.   view more (2009-08-14)

Clues to breast cancer hidden inside stem cells
Stem cells and how to boost them is hot on the research agenda. But stopping them could be critical too, as evidence implicating stem cells in cancer is mounting.   view more (2006-04-25)

University of Warwick Wins Lottery Funds to Preserve UK Cycling Heritage
The University of Warwick has won £37,350 from the Heritage Lottery Fund to preserve a vital archive of material on the UK cycle industry and the history of cycling as a hobby. The grant will ensure the National Cycling Archive, the largest collection of cycling archives and books in the UK, is preserved. 'On yer bike', a one-year project,... view more... (2002-09-23)

An intelligent combination of mathematics and cell biology could spell death to brain tumours
Combining two separate observations of cells in brain tumours could enable doctors to improve the success rate of radiotherapy. Speaking today (23 January) at the Institute of Physics Simulation and Modelling Applied to Medicine conference in London, chemical engineer Dr Norman Kirkby from the University of Surrey will explain how using the... view more... (2002-01-16)

SLU scientists have identified the first gene regulating programmed cell death in plant embryos
A research team at the Swedish University of Agricultural Sciences, SLU, has succeeded in isolating a novel gene that regulates cell death in plant embryos. This is a world first. The team consists of scientists from the Department of Plant Biology and Forest Genetics, headed by Peter Bozhkov and Sara von Arnold. The team has discovered... view more... (2004-06-01)

Rockefeller researchers discover a biological clock within a clock
Just as a pocket watch requires a complex system of gears and springs to keep it ticking precisely, individual cells have a network of proteins and genes that maintain their own internal clock - a 24-hour rhythm that, in humans, regulates metabolism, cell division, and hormone production, as well as the wake-sleep cycle.   view more (2006-01-13)

Adding up renewable energy
Do the overall efficiencies of renewable energy sources, such as wind, solar, and geothermal add up in terms of their complete life cycle from materials sourcing, manufacture, running, and decommissioning" Researchers in Greece have carried out a life cycle assessment to find the answer.   view more (2007-08-14)

Emissions irrelevant to future climate change?
Climate change and the carbon emissions seem inextricably linked. However, new research published in BioMed Central's open access journal Carbon Balance and Management suggests that this may not always hold true, although it may be some time before we reach this saturation point.   view more (2008-04-28)

Penn researchers enlist proteins to 'switch on' heart tissue repair system in animal models
Researchers at the University of Pennsylvania School of Medicine are utilizing a protein to "switch on" the ability to repair damaged heart tissue.   view more (2006-07-10)

Concern over rise in pedestrian and cyclist injuries
Admission to hospital for severe injuries to young pedestrians and cyclists increased between 1992 and 1997, but admission rates for other transport injuries fell, say researchers in this week's BMJ. The study involved children up to 14 years old who were admitted to hospital for pedal cycle, pedestrian, or other transport injuries in the Trent... view more... (2003-09-10)

Researchers propose new molecule to explain circadian clock
The internal clock in living beings that regulates sleeping and waking patterns -- usually called the circadian clock -- has often befuddled scientists due to its mysterious time delays. Molecular interactions that regulate the circadian clock happen within milliseconds, yet the body clock resets about every 24 hours.   view more (2007-08-28)
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