Mosquitos and Smell, Fermentation, Model Rocket Launch. July 12, 2019, Part 2
Science Friday12 Juli 2019

Mosquitos and Smell, Fermentation, Model Rocket Launch. July 12, 2019, Part 2

If you’ve ever tried brewing your own beer or raising your own sourdough, then you know that the process of fermentation isn't easy to get right. How do you control the growth of mold, yeast, or bacteria such that it creates a savory and delicious new flavor, and not a putrid mess on your kitchen counter? David Zilber is Director of Fermentation at the restaurant Noma, and he tells his fermentation secrets.

The human scent is made up of a combination of 100 odor compounds. Other mammals such as guinea pigs also emit the same odor compounds—just in different blends. And even though human odor can also differ from person to person, mosquitoes can still distinguish the scent of a human from other mammals. We'll talk about how mosquitos have evolved to hunt for the prey of their choice.

Next week marks the 50th anniversary of the Apollo moon landing. But before astronauts could take that one small step on the moon, they had to take off from Earth. On Tuesday, July 16, in commemoration of the 9:32 am launch of the Saturn V rocket carrying the Apollo 11 crew, model rocketeers from around the world will conduct a global launch event—by firing off thousands of rockets planet-wide.

Plus, download the SciFri VoxPop app for iPhone or Android and contribute to the show all week long.

Subscribe to this podcast. Follow our show on Instagram, TikTok, Facebook, and Bluesky @scifri and sign up for our newsletters. Got a science question that’s keeping you up at night? Call us: 877-472-4374


Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

Det här avsnittet är hämtat från ett öppet RSS-flöde och publiceras inte av Podme. Det kan innehålla reklam.

Avsnitt(1380)

Colorado’s snow drought deals a major blow to recreation

Colorado’s snow drought deals a major blow to recreation

Winter in Colorado looked very different this year. Many parts of the state experienced record-high temperatures and record-low snowpack, which had downstream effects on farming, sports, tourism, and ...

17 Aug 11min

How do you find a ‘lost’ species?

How do you find a ‘lost’ species?

The earth is facing a biodiversity crisis, and there’s a lot of attention on species that are threatened, or at risk of dying out completely. But, there’s another critter category that’s a little more...

14 Aug 18min

What we get wrong about vaccine hesitancy

What we get wrong about vaccine hesitancy

President Trump has signed an executive order calling for a change to the childhood vaccination schedule. Specifically, he wants to separate the MMR vaccine, which protects against measles, mumps, and...

13 Aug 12min

Why this lab studies the speed of bug pee and other curiosities

Why this lab studies the speed of bug pee and other curiosities

In a lab in the Rocky Mountains, a group of scientists is hard at work trying to find answers across biology, physics, and engineering: They’re looking into things like the hydrodynamics of insect pee...

12 Aug 18min

Some primates undergo even more extreme childbirth than humans

Some primates undergo even more extreme childbirth than humans

Human childbirth is often difficult and incredibly painful—just ask anyone who’s been through it. And for a long time, childbirth seemed to be uniquely difficult for humans. But a new study suggests t...

11 Aug 11min

Deb Haaland is a politician, and proud of it

Deb Haaland is a politician, and proud of it

Former Interior Secretary Deb Haaland, a member of the Laguna Pueblo tribe, was the first Native person to hold a cabinet position. Now she’s running to be governor of New Mexico.  Haaland joins Host ...

10 Aug 17min

Sitting all day is terrible for us. Moving a little can help

Sitting all day is terrible for us. Moving a little can help

Keeping your butt in a seat for hours a day increases the risk of heart attacks, diabetes, psychiatric conditions, and more. But in our tech-filled world, many of us lead sedentary lives, whether beca...

7 Aug 18min

A Nagasaki survivor and physician recounts his life's work

A Nagasaki survivor and physician recounts his life's work

Dr. Masao Tomonaga was only 2 years old when the United States bombed his home city of Nagasaki. He survived, and grew up to become a physician for other survivors, known as hibakusha. He also studied...

6 Aug 18min

Populärt inom Vetenskap

p3-dystopia
dumma-manniskor
allt-du-velat-veta
hacka-livet
bildningspodden
rss-vetenskapsradion
medicinvetarna
rss-ufobortom-rimligt-tvivel
sexet
ufo-sverige
rss-vetenskapsradion-2
halsorevolutionen
paranormalt-med-caroline-giertz
svd-nyhetsartiklar
det-morka-psyket
vetenskapsradion
ufo-sverige-2
rss-spraket
dumforklarat
rss-kriminologerna