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Sustainability of plant-based meat alternatives show art Sustainability of plant-based meat alternatives

PNAS Science Sessions

Sustainability of plant-based meat alternatives Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, researchers discuss the environmental, health, and economic tradeoffs that limit the potential benefits of plant-based meat alternatives. In this...

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Plumeworld ocean and snowball Earth show art Plumeworld ocean and snowball Earth

PNAS Science Sessions

How Snowball Earth melted Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Shuhai Xiao explores how the Earth emerged from a planetwide glaciation called Snowball Earth. In this episode, we cover: •[00:00] Introduction •[00:48] Geobiologist...

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The curious case of the comb jelly show art The curious case of the comb jelly

PNAS Science Sessions

Reverse development in a comb jelly Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Joan Soto and Patel Burkhardt introduce us to a comb jelly with the ability to reverse its development to an earlier stage of life. In this episode, we cover:...

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Air pollution and economic mobility show art Air pollution and economic mobility

PNAS Science Sessions

Air pollution and upward mobility Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Luca Merlo and Francesca Dominici explore whether childhood exposure to air pollution can impact economic upward mobility as an adult. In this episode, we cover:...

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Long-term impact of wildfire smoke pollution show art Long-term impact of wildfire smoke pollution

PNAS Science Sessions

Nationwide effects of smoke-related air pollution Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Kai Chen explains the nationwide health effects of smoke-related fine particulate matter air pollution. In this episode, we cover: •[00:00]...

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Indigenous communities and subsistence whale hunting show art Indigenous communities and subsistence whale hunting

PNAS Science Sessions

Indigenous hunting and beluga populations Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Max Friesen, Eline Lorenzen, and Mikkel Skovrind explore beluga population dynamics in relation to subsistence hunting by Indigenous communities in northern...

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Perceiving musical boundaries show art Perceiving musical boundaries

PNAS Science Sessions

The neuroscience of music perception Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Petri Toiviainen, Ibi Burunat, and Daniel Levitin describe the neuroscience of how musicians and non-musicians perceive boundaries within pieces of music. In this...

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How python hearts grow and shrink show art How python hearts grow and shrink

PNAS Science Sessions

How python hearts grow and shrink Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Leslie Leinwand, of the University of Colorado in Boulder, and Claudia Crocini, of Charité – Berlin University of Medicine in Germany, describe how the hearts of...

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Neighborhood travel and racial segregation show art Neighborhood travel and racial segregation

PNAS Science Sessions

How people travel to racially different neighborhoods Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Mario Small talks about patterns of people's travel to neighborhoods racially different than their home neighborhood. In this episode, we cover:...

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Ocean voyages and disease spread show art Ocean voyages and disease spread

PNAS Science Sessions

How pathogen stowaways traversed the oceans Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Jamie Lloyd-Smith and Elizabeth Blackmore describe how they modeled the epidemiology of pathogens on ocean voyages. In this episode, we cover: •[00:00]...

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More Episodes

Animal’s eye view of the ocean

Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us.

In this episode, researchers use animal-borne video cameras to explore foraging behaviors of animals in the open ocean.

In this episode, we cover:
•[00:00] Introduction
•[00:46] Taiki Adachi, an ecologist at the National Institute of Polar Research in Japan, observed how elephant seals use their whiskers to locate prey in the dark depths of the ocean
•[02:13] Carey Kuhn, an ecologist at the Alaska Fisheries Science Center in Seattle, Washington, explored how the size of prey affected the foraging behavior of northern fur seals.
•[03:43] Ryan Logan, an ecologist at California State University Long Beach, recorded a solitary sailfish hunting in the open ocean and estimated its energy expenditures.
•[05:05] Simone Videsen, an ecologist at Aarhus University in Denmark, performed a similar analysis of the energetic efficiency of humpback whales.
•[06:12] Takuya Maekawa, an engineer at Osaka University in Japan, designed a device to detect and automatically record rare behaviors performed by streaked shearwaters.
•[07:56] Final thoughts and conclusion.

About Our Guests:

Taiki Adachi 
Assistant Professor
National Institute of Polar Research

Carey Kuhn 
Researcher
Alaska Fisheries Science Center

Ryan Logan 
Postdoctoral Research Fellow
California State University Long Beach

Simone Videsen 
Postdoctoral Researcher
Aarhus University

Takuya Maekawa 
Associate Professor
Osaka University

View related content here: https://www.pnas.org/doi/full/10.1073/pnas.2119502119
https://www.frontiersin.org/articles/10.3389/fmars.2022.1015594/full
https://www.nature.com/articles/s41598-023-28748-0
https://www.science.org/doi/10.1126/sciadv.ade3889
https://academic.oup.com/pnasnexus/article/3/1/pgad447/7517476

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