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Insight into our sight: A new view on the evolution of the eye lens
The critical component in focusing is the eye lens, and the physical properties that underlie the transparency of the lens, as well as its ability to precisely refract light, arise from the high concentrations of special proteins called crystallins found in lens cells. view more (2005-09-23)
Aging boosts chances that a family line will be long-lived
Scientists have puzzled over just why organisms evolved aging as a strategy, and now there appears to be an answer. Allowing one individual to carry all the cellular damage inflicted over time, rather than dividing it between two organisms during reproduction, increases the chances that the individual's line will continue to reproduce for many... view more... (2007-03-14)
Vanishing beetle horns have surprise function
The function of horned beetles' wild protrusions has been a matter of some consternation for biologists. Digging seemed plausible; combat and mate selection, more likely. Even Charles Darwin once weighed in on the matter, suggesting - one imagines with some frustration - the horns were merely ornamental. view more (2006-12-05)
New moth variety disarms plants guarded by selenium
In new work, researchers report that the ability of plants to defend themselves by accumulating high levels of a toxic element can be overcome by some insects, and that such adaptation potentially echoes in the food web as other predators and parasites may in turn evolve to deal with high levels of the toxic element. view more (2006-11-21)
Meat-eating dinosaur from Argentina had bird-like breathing system
The remains of a 30-foot-long predatory dinosaur discovered along the banks of Argentina's Rio Colorado is helping to unravel how birds evolved their unusual breathing system. view more (2008-09-30)
Dairy Farming, Cattle Milk Genes And Gene-Culture Co-Evolution
Cattle milk genes, the genetic capacity of humans to digest milk and the habit of using dairy products have evolved together in a unique process called gene-culture co-evolution says a team of researchers in the last issue of the journal Nature Genetics. Genes are for most species the only way to transfer information across generations but in some... view more... (2003-12-18)
How new diseases from insects hit people like the plague
Scientists have traced the first steps in the way some new diseases emerge, and how harmless bacteria living in insects become dangerous disease-causing bugs which can affect humans, like the plague or anthrax. Researchers from the University of Bath are presenting their results today (Wednesday, 08 September 2004) at the Society for General... view more... (2004-08-23)
Third primate genome, the rhesus macaque, helps illuminate what makes us human
Researchers have sequenced the genome of the relatively ancient rhesus macaque (Macaca mulatta), providing perspective into how humans are genetically different from our primate relatives. view more (2007-04-13)
Is there anybody out there?
Is there anybody out there? Probably not, according to a scientist from the University of East Anglia. A mathematical model produced by Prof Andrew Watson suggests that the odds of finding new life on other Earth-like planets are low, given the time it has taken for beings such as humans to evolve and the remaining life span of Earth. view more (2008-04-17)
Which came first: Primates' ability to see colorful food or see colorful sex?
The adaptive significance of the unique ability in many primates to distinguish red hues from green ones (i.e., trichromatic color vision) has always enticed debate among evolutionary biologists. view more (2007-06-27)
A new tribe at the BA festival
A new tribe is emerging from Mexico's scorched earth. A team of geoarchaeologists working on a programme investigating human evolution have found skeletal remains in the desert of the Baja California Peninsula that give rise to new theories on the colonisation of the Americas. view more (2004-09-03)
UF researchers devise way to calculate rates of evolution
"Survival of the fittest" has popularly described evolution for more than a century, but a new study published in the Royal Society journal Biology Letters provides further evidence that random genetic mutations over millions of years may also play a powerful role. view more (2007-10-05)
Oxygen triggered the evolution of complex life forms
Oxygen played a key role in the evolution of complex organisms, according to new research published in BMC Evolutionary Biology. The study shows that the complexity of life forms increased earlier than was thought, and in parallel with the availability of oxygen as an energy source. In the largest study to date that does not focus on vertebrates,... view more... (2004-01-22)
Dartmouth researchers find the root of the evolutionary emergence of vertebrates
Dartmouth College researchers and colleagues from the University of Bristol in the U.K. have traced the beginnings of complex life, i.e. vertebrates, to microRNA. The researchers argue that the evolution of microRNAs, which regulate gene expression, are behind the origin of early vertebrates. view more (2008-02-12)
Super-computer reaches for the stars
Scientists at the University of York have been awarded a £234,000 grant for a powerful computer, called Beowulf, that will help them model large and fundamental happenings in the universe - from the evolution of the stars to the way in which DNA works. They will be using the grant from the Engineering and Physical Sciences Research Council... view more... (2002-02-05)
Scientists retrace evolution with first atomic structure of an ancient protein
Scientists have determined for the first time the atomic structure of an ancient protein, revealing in unprecedented detail how genes evolved their functions. view more (2007-08-17)
Why cloning could wipe out species
Cloning on a grand scale could spell the end of species as they become progressively nastier, warn researchers at the University of Sussex. Evolutionary biologist Dr Joel Peck has produced a mathematical model that suggests that asexual reproduction -in which organisms are reproduced from a single parent without fertilisation - leads to... view more... (2004-04-26)
How E. coli evolves to adapt to changing acidity
Forthcoming in Physiological and Biochemical Zoology, a fascinating new selection of papers collects leading experimental research in evolution and artificial selection, providing insight into how organisms adapt to changing environmental conditions and fluctuations. view more (2007-05-30)
The turbidity of wine has an influence on the aroma of the ferment, but not on the accumulation of biogenic amines
The turbidity of red wine during its ageing in oak casks has an influence on the accumulation of volatile compounds and, thereby, on the wine's aroma, but not on the accumulation of biogenic amines. view more (2006-11-28)
Spitzer nets thousands of galaxies in a giant cluster
In just a short amount of time, NASA's Spitzer Space Telescope has bagged more than a thousand previously unknown dwarf galaxies in a giant cluster of galaxies. view more (2007-05-29)
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