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PNAS Science Sessions

Latest episodes

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Dec 5, 2022 • 10min

Cultural identity in sperm whales

Taylor Hersh explores how patterns of clicks produced by sperm whales suggest the exchange of cultural information between the whales.
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Nov 14, 2022 • 19min

Tuning into nature’s music

Researchers discuss what animal soundscapes can tell us about the health of ecosystems.
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Oct 31, 2022 • 10min

Point sources of methane emission

Daniel Cusworth discusses combining aircraft-based and satellite-based measurement to identify methane emission point sources.
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Oct 17, 2022 • 11min

How climate warming releases ocean methane

Syee Weldeab describes what researchers can learn from ancient global warming about the risks posed by ocean floor methane hydrates.
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Oct 3, 2022 • 10min

U-turn in occupational gender segregation

Ling Zhu and David B. Grusky explore intergenerational factors influencing occupational gender segregation in the United States.
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Sep 19, 2022 • 10min

Activated patients reduce implicit bias

Izzy Gainsburg and Veronica Derricks discuss how patient activation can disrupt implicit bias in physician-patient interactions.
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5 snips
Sep 6, 2022 • 10min

How bumblebees respond to noxious stimuli

Matilda Gibbons, Lars Chittka and Jonathan Birch discuss the possibility that bumblebees may feel pain.
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Aug 15, 2022 • 21min

Science of Misinformation

Researchers explore how misinformation spreads and what can be done to stop it.
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Aug 1, 2022 • 9min

Bias and the placebo effect

Lauren Howe and Alia Crum explore the interactions of societal biases with the placebo effect.
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5 snips
Jul 18, 2022 • 13min

Epigenetic clocks for humans and dogs

Steve Horvath and Elaine Ostrander explain the usefulness of epigenetic clocks in humans and dogs.

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