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Scientists lay out why some origami won’t fold under pressure

Study could improve self-assembling structures like heart stents and satellite solar panels

Scientists and engineers are fascinated by self-folding structures. Imagine the possibilities: Heart stents that unfold in the right location or pop-up tents that assemble at the press of a button, as well as nanoscale versions for tiny machines. But sometimes these structures get stuck during the folding process, and scientists don’t know why. (more…)

Why ‘I’m so happy I could cry’ makes sense

By Guest PostNovember 16, 2014Health, Sciencearvind murugan, geschaedigte nervenzellen, happy, matthew pinson, menachem stern, michela deleidi, ways to fold, yale psychologist

The phrase “tears of joy” never made much sense to Yale psychologist Oriana Aragon. But after conducting a series of studies of such seemingly incongruous expressions, she now understands better why people cry when they are happy.

“People may be restoring emotional equilibrium with these expressions,” said Aragon, lead author of work to be published in the journal Psychological Science. “They seem to take place when people are overwhelmed with strong positive emotions, and people who do this seem to recover better from those strong emotions.” (more…)

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Scientists lay out why some origami won’t fold under pressure

Why ‘I’m so happy I could cry’ makes sense