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...
info_outline
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...
info_outline
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:...
info_outline
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:...
info_outline
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]...
info_outline
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...
info_outline
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...
info_outline
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...
info_outline
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:...
info_outline
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]...
info_outlineSustainability 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 episode, we cover:
•[00:00] Introduction
•[01:19] Rodolphe Barrangou explains the potential opportunities and challenges for plant-based meat alternatives to help mitigate the environmental impact of meat.
•[03:18] Marco Springmann compares plant-based meat and milk alternatives with both animal-sourced foods and unprocessed plant-based foods across multiple metrics.
•[05:16] Bill Aimutis highlights the potential environmental impact of producing plant-based proteins.
•[07:04] Ute Weisz finds significant variability in the amino acid scores and functional properties of commercially available plant protein ingredients.
•[08:51] Zachary Neuhofer analyzes trends in plant-based meat alternative consumption, based on two years of grocery store scanning data.
•[10:16] Evelyne Selberherr analyzes the microbial communities found in plant-based meat alternative products.
•[11:56] Matin Qaim analyzes the impact of animal-sourced foods on child nutrition in five Sub-Saharan African countries.
•[13:59] Final thoughts and conclusion.
About Our Guests:
Rodolphe Barrangou
Todd R. Klaenhammer Distinguished Professor
North Carolina State University
Marco Springmann
Senior Researcher | Professorial Research Fellow
University of Oxford | University College London
Bill Aimutis
Executive Director
North Carolina Food Innovation Lab
Ute Weisz
Professor
Technical University of Munich
Zachary Neuhofer
PhD Candidate
Purdue University
Evelyne Selberherr
Assistant Professor
University of Veterinary Medicine Vienna
Matin Qaim
Schlegel Professor of Agricultural Economics
University of Bonn
View related content here: https://www.pnas.org/doi/full/10.1073/pnas.2400495121
https://www.pnas.org/doi/full/10.1073/pnas.2319010121
https://www.pnas.org/doi/full/10.1073/pnas.2319003121
https://www.pnas.org/doi/full/10.1073/pnas.2319019121
https://www.nature.com/articles/s41598-022-16996-5
https://www.nature.com/articles/s41538-024-00269-8
https://www.pnas.org/doi/full/10.1073/pnas.2319009121
Follow us on Spotify, Apple Podcasts, or wherever you get your podcasts for more captivating discussions on scientific breakthroughs!
Visit Science Sessions on PNAS.org: https://www.pnas.org/about/science-sessions-podcast
Follow PNAS:
Twitter/X
Facebook
LinkedIn
YouTube
Sign up for the PNAS Highlights newsletter