Why

Why do insects stop 'breathing'? To avoid damage from too much oxygen, say researchers

A new study investigating the respiratory system of insects may have solved a mystery that has intrigued physiologists for decades: why insects routinely stop breathing for minutes at a time. Challenging previous theories, researchers at UC Irvine and Humboldt University propose that insects such as grasshoppers, moths, butterflies, some types of fruit flies, beetles and bugs close off th...

Biologists discover why 10% of Europeans are safe from HIV

Biologists at the University of Liverpool have discovered how the plagues of the Middle Ages have made around 10% of Europeans resistant to HIV. Scientists have known for some time that these individuals carry a genetic mutation (known as CCR5-delta32) that prevents the virus from entering the cells of the immune system but have been unable to account for the high levels of the gene in Scandinavi...

Why are coyotes getting more aggressive?

Coyotes tend to avoid human contact. But recently, coyotes have been getting increasingly aggressive in the eastern United States, including southeastern New York state, attacking neighborhood pets on the fringe of urban and suburban areas. "This kind of aggressive behavior is usually the last stage before coyotes actually start attacking humans -- such as small children that are perceived...

Monkeypox mystery: New research may explain why 2003 outbreak in the US wasn't deadly

An outbreak of 72 cases of monkeypox in the United States during the summer of 2003 didn't produce a single fatality, even though the disease usually kills 10 percent of those infected. In this month's issue of Virology, researche...

New research shows why too much memory may be a bad thing

New research from Columbia University Medical Center may explain why people who are able to easily and accurately recall historical dates or long-ago events, may have a harder time with word recall or remembering the day’s current events. They may have too much memory ?making it harder to filter out information and increasing the time it takes for new short-term memories to be processed and store...

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Why can't your computer get frustrated, too?

Should the co...

Ready to leave? Why you shouldn't give two weeks' notice

The "Exit Stage Right" article on Why? Because giving two week's notice (let alone four week's notice) went out with nickel beers. The article also needs a reality check on some of its observations and assertions of how life is in today's corporate...

Why Google Matters

Last week Google, the ubiquitous Internet search engine company, set the business world abuzz with the announcement of its intention to go public. In doing so it released data about its financial performance that had Wall Street drooling and its competition fidgeting. Some analysts however, criticized the company and its founders for being arrogant, secretive and unrealistic in the conditions it...

Why IT change management is more important than ever

(PCAOB) will place a greater emphasis on change management within information systems. There are numerous studies, including our own, that show IT change management as a problem area. It is worth making the investment to fix your change management process...

Research explains why women lack equal access to angel capital

The research, conducted by Jeffrey Sohl, director of the at the University of New Hampshire, examined the equa...

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Why at Medicine News

Why running noses are a good thing

Doctors have a new clue to help sort out whether people with aches and coughs have the ominous first signs of inhaled anthrax or ordinary colds and flu: Anthrax victims don't have runny noses. In general, the first symptoms of inhaled anthrax are the same as the flu and other wintertime viruses -- fever, ache, cough, no energy. // As a result, some worry that doctors will prescribe lo...

Why cluster headaches?

Cluster headaches are characterised by a sudden excruciating pain on one side of the head around the eyes, temple or cheek, and can last for 20 minutes to 4 hours. Affecting 0.2% of the population - mainly men - they recur over a period of weeks or months before disappearing,// hence the name. A research suggests that this cluster headache could be due to abnormalities in the brain.Th...

Why skin sags

Scientists claim that just by looking at a person's face could unveil whether he or she is a smoker, the actuality is that smokers age faster than non smokers.A study by dermatologists, published in The Lancet, shows that smoking actuates the genes responsible for a skin enzyme that breaks down collagen in the skin.// Collagen is the main structural protein of the skin and maintains th...

Why a headache?

By the use of novel scanning methods doctors have found that cluster headaches are due to excessive gray cells in the brain. It is the section that governs the body clock, which could be responsible for the regularity of the headaches' aspect.// Cluster headaches are marked by a sudden tormenting pain on one side of the head around the eyes, temple or cheek, and can last for 20 minute...

Reasons why men die earlier

According to statistics, it is observed that women outlive men in Western countries, and scientists have traditionally pointed to riskier behavior on the part of men as the reason why.// A new study suggests that there may be more to it than that. Another reason for the earlier demise of men may be that they are more prone to parasitic infections. In a report on the study, Ian P. F. Ow...

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Why Is Polio Spreading in Pakistan?

LEWISVILLE, Texas, March 8, 2007--The World Health Organizationhas released new figures that show that polio cases are rising inPakistan. So is this another instance where, as leftist groups constantlyclaim, the pharmaceutical industry is denying important vaccines topoor populations? Um, apparently not. According to London’s Guardiannewspaper, “parents of 24,00...