Parsing Science Newsletter The unpublished stories behind the world's most compelling science, as told by the researchers themselves.

Transmitting Placebo Effects – Luke Chang

Can your doctors’ beliefs about the efficacy of a treatment affect how you experience pain? In episode 65, we’re joined by Luke Chang from the Department of Psychological & Brain Sciences at Dartmouth College. He talks with us about his research into socially transmitted placebo effects, through which patients can pick up on subtle facial cues that reveal their doctor’s beliefs about how effective a treatment will be.

The week's top science news from @ParsingScience ...

Lead exposure and adolescent brain volume

Poverty can exacerbate cognitive and brain development impairment associated with lead exposure in childhood.

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Relatedly: Today's biggest contributors to IQ loss

The leading causes of decline in IQ are fire retardants & pesticides, not heavy metals anymore.

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“Marshmallow Test” redux

Children found more likely to control their immediate impulses when they and a peer rely on each other to get a reward than when they’re left to their own willpower.

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Allergic "memory serum"

Long-term exposure to allergens gets stored in our bone marrow.

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How much sleep do you really need?

28-year long sleep study shows no differences in gray matter volume (and, by inference, cognition) between people sleeping 5, 6, 7 or 8 hours.

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Living machines

Neither a traditional robot nor a known species of animal: scientists create world's first living, programmable, self-healing machines from frog stem cells.

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Immune to influence

Whether pro or con, people with strong views on vaccination tend to hold their ground and refuse to pick up dissenting opinions, even when confronted with contradictory information online.

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Upcoming guests

Katherine Wood from the University of Illinois joins us to discuss her open-access article with Daniel J. Simons, "Now or never: Noticing occurs early in sustained inattentional blindness" [airing January 21, 2020].

Temple Grandin from Colorado State University's Department of Animal Sciences joins us to discuss her open-access article "Crossing the divide between academic research and practical application of ethology and animal behavior information on commercial livestock and poultry farms" [airing February 4, 2020].

Royel Johnson from Pennsylvania State University's Department of Education Policy Studies discusses his article "The state of research on undergraduate youth formerly in foster care: A systematic review of the literature" [airing February 18, 2020].

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