Psychologists have profiled the kind of person who is willing to confront anti-social behaviour

Psychologists have profiled the kind of person who is willing to confront anti-social behaviour

“Lower your music, you’re upsetting other passengers.” Without social sanction, society frays at the edges. But what drives someone to intervene against bad behaviour? One cynical view is that it appeals to those who want to feel better about themselves through scolding others. But research putting this to the test in British Journal of Social Psychology has found that interveners are rather different in character.

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A pill that staves off aging? It’s on the horizon

A pill that staves off aging? It's on the horizon

Scientists have long known that restricting calories can fend off physiological signs of aging, with studies in fruit flies, roundworms, rodents and even people showing that chronically slashing intake by about a third can reap myriad health benefits and, in some cases, extend lifespan. From a public health perspective, that advice would be impractical for many and dangerous for some.

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Artificial enzyme: Protein designed entirely from scratch functions in cells as a life-sustaining catalyst 

Artificial enzyme: Protein designed entirely from scratch functions in cells as a life-sustaining catalyst 

A dawning field of research, artificial biology, is working toward creating a genuinely new organism. At Princeton, chemistry professor Michael Hecht and the researchers in his lab are designing and building proteins that can fold and mimic the chemical processes that sustain life. Their artificial proteins, encoded by synthetic genes, are approximately 100 amino acids long, using an endlessly varying arrangement of 20 amino acids.

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Historic hull of 18th century ship washes ashore in Florida

Historic hull of 18th century ship washes ashore in Florida

The fascinating remains of a historic 18th century ship have washed ashore on a Florida beach. The 48-foot wooden hull of a gigantic shipwreck was discovered by Julie Turner and her son Patrick, eight, on Ponte Vedra Beach around 8am Tuesday. Little did the pair realize that the wreck was centuries old and has been hailed as the 'holy grail' of shipwrecks.

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What If A Drug Could Make Your Blood Deadly To Mosquitoes?

What If A Drug Could Make Your Blood Deadly To Mosquitoes?

A pesky mosquito sips some of your blood. Hours later, the blood-sucker drops dead, poisoned by the very blood it just slurped down. That may sound too good to be true, but it's a tantalizing possibility, according to research published this week in the journal The Lancet Infectious Diseases. The study points to a potential new tool to fight malaria: the medication ivermectin. Studies conducted in the 2000s, including one in 2010, show that malaria-carrying mosquitoes die after feeding on individuals who have ingested the drug.

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This is the environmental impact of your Easter egg

This is the environmental impact of your Easter egg

Those concerned about the rampant consumerism of religious holidays now have another thing to consider – the environmental impact of Easter eggs. Not only has Easter egg packaging been deemed excessive in a new report, analysis by a team of scientists at the University of Manchester has revealed the huge carbon footprint associated with chocolate production.

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