logo
episode-header-image
Jan 2021
2m 11s

Comment produit-on l'acide citrique ?

Choses à Savoir
About this episode

Utilisé aussi bien dans le secteur alimentaire ou en médecine que dans la vie quotidienne, où il est employé comme nettoyant, l'acide citrique a d'abord été produit à partir du citron, puis d'un champignon...



Voir Acast.com/privacy pour les informations sur la vie privée et l'opt-out.


Hébergé par Acast. Visitez acast.com/privacy pour plus d'informations.

Up next
Yesterday
Deux personnes pourraient-elles repeupler la Terre ?
La question est fascinante, presque mythique : deux personnes seulement pourraient-elles repeupler la Terre après une catastrophe mondiale ? D’un point de vue scientifique, la réponse courte est non. Et la réponse longue est encore plus intéressante.Commençons par la génétique. P ... Show More
2m 54s
Jan 14
Pourquoi les détecteurs d'IA ne sont-ils pas fiables ?
Depuis l’explosion des outils d’intelligence artificielle générative, une nouvelle promesse est apparue : celle des détecteurs d’IA, censés distinguer un texte écrit par un humain d’un texte produit par une machine. Ces outils sont désormais utilisés dans l’éducation, le journali ... Show More
2m 46s
Jan 13
Les neutrinos sont-ils vraiment plus rapides que la lumière ?
En 2011, une annonce a fait l’effet d’une bombe dans le monde scientifique : des chercheurs affirmaient avoir mesuré des neutrinos allant plus vite que la lumière. Si cela avait été vrai, cela aurait remis en cause l’un des piliers de la physique moderne, hérité d’Albert Einstein ... Show More
3m 4s
Recommended Episodes
Apr 2025
A Disinfectant That’s More Powerful Than Bleach—And Safe for Your Skin
Hypochlorous acid is a promising disinfectant that is difficult to commercialize because it is not very shelf-stable. Senior features editor Jen Schwartz takes us through what the science of this nontoxic disinfectant is and explains why its popularity in the beauty aisle is only ... Show More
14m 25s
Oct 24
The Gut Healing Power of Microbes and Cruciferous Vegetables
Episode Summary Sue Ishaq, Ph.D., Associate Professor of Microbiomes at the University of Maine, discusses how gut microbes transform seemingly inert plant compounds—like glucosinolates found in broccoli—into powerful anti-inflammatory agents such as sulforaphane. Her research di ... Show More
42m 59s
Jun 2023
Why Are Fungi Such Great Decomposers?
Fungus gets a bad rap sometimes, but the fungi amongi do incredibly important work breaking down dead stuff. Learn more in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/life/cellular-microscopic/fungi.htmSee omnystudio.com/listener for priva ... Show More
6m 56s
Aug 2021
Episode 2: Maximizing Filter Life During CRRT – Best Practices on Anticoagulation and Citrate Use
Dr. Ravi Mehta and Dr. Ashita Tolwani discuss best practices on anticoagulation and citrate use, why circuit patency and integrity are important for CRRT, and how and when to use anticoagulation. They also discuss preferred methods for anticoagulation and the parameters that shou ... Show More
15m 44s
Aug 2025
Living Longer, Aging Smarter [Sponsored]
Life expectancy has risen dramatically since 1900, reshaping how we understand aging. Scientists now view skin not just as a surface indicator, but as a biological marker of systemic health. In this podcast episode, Scientific American Custom Media explores how longevity science ... Show More
8m 32s
Aug 2025
Living Longer, Aging Smarter [Sponsored]
Life expectancy has risen dramatically since 1900, reshaping how we understand aging. Scientists now view skin not just as a surface indicator, but as a biological marker of systemic health. In this podcast episode, Scientific American Custom Media explores how longevity science ... Show More
8m 32s
Jun 2024
How Do Pickles Work?
Pickled cucumbers are a simple snack favored by everyone from deli-goers to Cleopatra. Learn the science and history behind pickling in this episode of BrainStuff, based on this article: https://recipes.howstuffworks.com/food-science/pickle-history.htmSee omnystudio.com/listener ... Show More
6m 58s
Apr 2023
How We See
How do we see? What parts of the brain are responsible for vision? And how can gene therapy restore sight to people living with a visual impairment? In this episode of How We’re Wired, join evolutionary anthropologist Dr Anna Machin as she unpicks the neuroscience behind our sens ... Show More
36m 1s
Nov 12
How Science Can Hack Flavor
Will eating mint cancel out the feeling of spice in your mouth? How do you manipulate aroma compounds to mimic the taste of lemon? When it comes to the science of flavor, there is no shortage of questions to ask. On this episode, Dr. Samantha Yammine is joined by renowned flavor ... Show More
30m 20s
Sep 2022
How We Smell
How do we smell? What role does our sense of smell play in our closest relationships? And how are brands creating scents to keep us coming back for more? In this episode of How We’re Wired, join evolutionary anthropologist Dr Anna Machin as she unpicks the science of smell, from ... Show More
34m 8s