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@ medickinso­n

Also known as Nanogirl, is an Auckland University nanotechno­logist who is passionate about getting Kiwis hooked on science. Tweet her your science questions with Herald science writer Jamie Morton @ jamienzher­ald

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As anyone who has driven a car or crossed a busy street knows, colours play a significan­t role in influencin­g people’s interactio­ns with the world around them.

And the colour red, in particular, elicits the highest level of compliance for conformity with social norms.

But according to new research co- written by a US expert in product developmen­t and marketing, under certain conditions, the colour red can arouse “noncomplia­nt behaviour” — basically, a rebellious streak — for a certain sensation- seeking segment of the population.

The widespread use of the colour red to signal danger, warn people or stop unwanted behaviour can actually be counter- productive for high sensation- seekers, according to the paper, to be published in the Journal of Consumer Psychology.

Across three experiment­s that tested their hypotheses, University of Illinois researcher­s from found the colour positively affects one’s attitude towards noncomplia­nce.

“The colour red is almost always used to stop people from doing something — to signal dangers, or to prevent someone from making a mistake or to induce compliant behaviour,” said study leader Professor Ravi Mehta.

“But if you’re someone who is high on the sensation- seeking scale — basically, someone who seeks thrills — the colour red elicits arousal.” What does the 1960s Beatles hit Girl have in common with Astor Piazolla’s tango compositio­n Libertango? Probably not much, to the casual listener — but in the mind of one famously eclectic singersong­writer, the two songs are highly similar. That’s one of the surprising findings of an unusual Canadian neuroscien­ce study based on brain scans of the musician, Sting ( pictured). The paper, published in the journal Neurocase, uses recently developed imagingana­lysis techniques to provide a window into the mind of a masterful musician, in a pre- concert experiment. It also represents an approach that could offer i nsights i nto how gifted i ndividuals find connection­s between seemingly disparate thoughts or sounds, in fields ranging from arts to politics or science. Scanning techniques, known as multivoxel pattern analysis and representa­tional dissimilar­ity analysis, showed which songs Sting found similar to one another and which ones dissimilar — based not on tests or questionna­ires, but on activation­s of brain regions. “These state- of the- art techniques really allowed us to make maps of how Sting’s brain organises music,” said the study’s lead author, Daniel Levitin, a cognitive psychologi­st at McGill University. “That’s important because at the heart of great musiciansh­ip is the ability to manipulate, in one’s mind, rich representa­tions of the desired soundscape.” If you want to predict which political party someone will support, take note of the person’s height.

The taller a person is, the more likely he or she is to support conservati­ve political positions, support a conservati­ve party and actually vote for conservati­ve politician­s, according to a new study using data from Britain.

“If you take two people with nearly identical characteri­stics — except one is taller than the other — on average the taller person will be more politicall­y conservati­ve,” said study coauthor assistant professor Sara Watson, of Ohio State University.

Using a detailed 2006 survey of nearly 10,000 Britons, the researcher­s found that a 2.5cm increase in height increased support for the Conservati­ve Party by 0.6 per cent and the likelihood of voting for the party by 0.5 per cent.

Yet the results aren’t as strange as they might appear, Watson said.

Many studies have found that taller people generally earn more than shorter people and researcher­s have thought income could be linked to voting.

 ?? Picture / Wikimedia Commons ??
Picture / Wikimedia Commons
 ??  ?? Don Brash — a tall politician.
Don Brash — a tall politician.

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