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Articles sur Scientific experiments

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When you imitate the speech of others, there’s a thin line between whether it’s a social asset or faux pas. Franklin McMahon/Corbis via Getty Images

What makes us subconsciously mimic the accents of others in conversation

We often imitate styles of speech we hear – what’s known as ‘linguistic convergence.’ But a researcher wanted to see if we alter our speech based on the mere expectation of how someone will sound.
After great popularity, the idea of power poses came under fire. Choreograph/iStock via Getty Images Plus

The idea that power poses boost your confidence fell from favor – but a new review of the research calls for a second look

For a while it was all the rage to adopt Wonder Woman’s famous stance and other body positions that allegedly pumped up your confidence – until more studies of the phenomenon failed to find the connection.
This Bioculture System will let biologists learn about how space impacts human health by studying cells grown in the microgravity environment of the International Space Station. NASA/Ames Research Center/Dominic Hart

Why are scientists trying to manufacture organs in space?

Why are scientists trying to grow organs at the International Space Station? People live on Earth not in zero-gravity. A stem cell expert explains why it is useful to do these experiments in space.
The jury at the Weinstein trial will have to check their biases about consent. Aleutie/Shutterstock.com

Weinstein jurors must differentiate between consent and compliance – which research shows isn’t easy

As the Harvey Weinstein trials start, a psychology scholar explains why jurors may be biased on the question of consent. While the situations examined in these studies are not equivalent to sexual assault, they illustrate a pervasive psychological bias.
Little is known about what’s happening in Mozambique’s labour market, except that jobs are scarce for young people. Shutterstock

Nobel prize in economics: experiments are no substitute for diagnosis

The 2019 Nobel Prize in economics recognises the contribution of practical experimental work to development, but the value of putting diagnosis before treatment shouldn’t be lost.

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