Ever Wonder? from the California Science Center

Hosted by California Science Center

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Episodes

105

Latest episode

Jun 2025

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EN-US

About the show

At the California Science Center, we love to wonder and be curious about the world around us. In each new episode, join host Perry Roth-Johnson as he chats with scientists, engineers, museum professionals, and others to find answers to questions you might have wondered. New episodes every other Wednesday.

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60 recent

June 30, 2025Episode 2029 min

...why we like to be scared? (with Arash Javanbakht)

Horror movies, roller coasters, bungie jumping! Why do we sometimes enjoy the things that scared us?In this episode we chat with Arash Javanbakht, leading psychiatrist & neuroscientist at Wayne State University, who explains to us how fear can be treated and even be used as a motivator.Arash gives us insight into how fear and anxiety can actually work for us, the reasons behind fear, and even tackles the questions of why we sometimes enjoy being frightened. Do you ever wonder why we like to be scared?On today's episode we learn that fear and anxiety are both emotions that are engrained in our genetics going all the way back to the first humans. And for those traumatic experiences where fear gets the best of us, Arash shows us how exposure therapy through augmented reality can be a great form of treatment. Have a question you've been wondering about? Send an email or voice recording to everwonder@californiasciencecenter.org to tell us what you'd like to hear in future episodes.Follow us on Twitter (@casciencecenter), Instagram (@californiasciencecenter), and Facebook (@californiasciencecenter).Support the show

October 30, 2024Episode 1922 min

REBROADCAST...why it's important to study monarch butterflies? (with Isis Howard)

As we reach the end of the year, the fall migration of monarchs brings ecological and cultural significance to the people of California and Mexico. Butterflies are a common symbol for life and death in many places and it is believed that monarchs guide the spirits of our ancestors back during the day of the dead, better known as Día de los Muertos. But monarch butterflies can tell us so much more. Ever wonder why it’s important to study monarch butterflies?On today’s episode I have the honor of chatting with Isis Howard, who works at the Xerces Society for Invertebrate Conservation. Isis is going to explain to us the difference between Western and Eastern populations of monarchs AND she’s going to tell us how scientists tag butterflies! So, join me in my conversation with Isis Howard. Have a question you've been wondering about? Send an email or voice recording to the podcast team to tell us what you'd like to hear in future episodes. Subscribe to our show on Apple Podcasts, Spotify, or Google Podcasts. To see a full list of episodes, visit our show’s webpage.Support the showSupport the show

October 16, 2024Episode 1822 min

...what divers do at the California Science Center? (with Andrew Solomon)

Here at the California Science Center in our Ecosystems gallery lies our kelp forest, holding 188,000-gallon tank with over 800 species! This kelp forest represents the type of ecosystem that you will find off the California coast and who better to help bring this kelp forest to life than our divers! Do you ever wonder what divers do at the California Science Center? In this episode we chat with the Marine Operations Manager, Andrew Solomon, who gives us an insight on how the dive teams not only help in bringing to life the kelp forest but also how they work together with other departments to maintain them. Andrew also gives us an idea on what it takes to be a diver and the risks that come with diving. Have a question you've been wondering about? Send an email or voice recording to everwonder@californiasciencecenter.org to tell us what you'd like to hear in future episodes.Follow us on Twitter (@casciencecenter), Instagram (@californiasciencecenter), and Facebook (@californiasciencecenter).Support the show

September 11, 2024Episode 1735 min

REBROADCAST... why California has so many wildfires? (with Jared Dahl Aldern)

Last fall, we opened a brand-new exhibit called Fire! Science & Safety, which invites our guests to explore Casa Del Fuego, Apartment 911 as a fire danger detective, seeking out fire and burn hazards to make their families, pets, and homes safer—both inside the home, as well as outside threats like wildfires.It’s been pretty rainy in California lately, so wildfires have largely faded from the headlines. But throughout 2020 and 2021, we heard about one giant catastrophic megafire after another. It seemed like our state was always burning.Ever wonder why California has so many wildfires?There are many factors at play here—climate change, drought, dead trees, longer fire seasons—but we can also learn a lot about what’s happening today by looking at our past. We talked to Dr. Jared Dahl Aldern (@JaredDahlAldern), an environmental historian and a fire practitioner, who has a wealth of experience researching the history of fire in California, as well as learning from and working with Indigenous people who use fire to take care of the land. He walked us through some important events in our state’s history—from the Gold Rush to the formation of the National Forest Service—that help explain why there’s so much fire today.Have a question you've been wondering about? Send an email or voice recording to everwonder@californiasciencecenter.org to tell us what you'd like to hear in future episodes.Follow us on Twitter (@casciencecenter), Instagram (@californiasciencecenter), and Facebook (@californiasciencecenter).Support the showSupport the show

August 28, 2024Episode 1619 min

REBROADCAST ...how doctors keep people healthy during pregnancy and childbirth? (with Dr. Kimberly Gregory)

This summer, we opened a brand-new exhibit called Life! Beginnings in our World of Life gallery. Life! Beginnings invites our guests to discover how humans and all living creatures reproduce, develop, and pass on their genes in order to bring new life into the world.Through interactive and immersive experiences, guests can explore the human journey from conception to birth, see how a mother’s body changes throughout pregnancy, and learn about reproductive health.Do you ever wonder how doctors help keep people healthy during pregnancy and childbirth?Dr. Kimberly Gregory is an OB-GYN and professor at Cedars-Sinai, as well as a scientific advisor for our exhibit Life! Beginnings. Dr. Gregory is on a mission to make childbirth a safer and more positive experience for everyone. She came on the show to tell us more about her work and share some useful advice for creating your own reproductive life plan.Have a question you've been wondering about? Send an email or voice recording to everwonder@californiasciencecenter.org to tell us what you'd like to hear in future episodes.Follow us on Twitter (@casciencecenter), Instagram (@californiasciencecenter), and Facebook (@californiasciencecenter).Support the Show.Support the show

August 14, 2024Episode 1512 min

REBROADCAST...how keepers form relationships with animals? (with Josh Hestermann)

Folks often say that dogs are a human's best friend. The Science Center doesn't have any dogs on display (well at least not since our temporary Dogs! exhibit closed), but we sure do have lots of other terrestrial animals to take care of. And our keepers--the folks who do that work--really care about our animals. Do you ever wonder how keepers develop a relationship with the animals they take care of?Josh Hestermann leads the team who takes care of everything that lives on land at the Science Center. He shares what it's like to gain the trust of a military macaw and what goes into taking care of all the terrestrial animals you might see when you visit.Have a question you've been wondering about? Send an email to everwonder@californiasciencecenter.org to tell us what you'd like to hear in future episodes.Follow us on Twitter (@casciencecenter), Instagram (@californiasciencecenter), and Facebook (@californiasciencecenter).Support the Show.Support the show

July 31, 2024Episode 1423 min

REBROADCAST...who drives a Mars rover? (with Hallie Abarca)

When this episode airs, NASA will be just one day away from landing another rover on Mars. On February 18, the Perseverance rover will reach the surface of the Red Planet, capping off a journey that started with a rocket launch last July.In an earlier episode, we talked with Matthew Frost about Perseverance’s robot arm, and how it works to collect samples from the Martian surface. But that robot arm becomes a lot more useful when you can drive it around Mars. And that takes a whole team of dedicated rover drivers back here on Earth.Do you ever wonder who drives a Mars rover?We were lucky to chat with Hallie Abarca, a former Mars rover driver and software engineer on the Perseverance rover at NASA JPL. She talks about what it was like to drive other Mars rovers, working on “Mars time,” and a new JPL website where you can virtually drive across the surface of Mars from your home.Have a question you've been wondering about? Send an email to everwonder@californiasciencecenter.org to tell us what you'd like to hear in future episodes.Follow us on Twitter (@casciencecenter), Instagram (@californiasciencecenter), and Facebook (@californiasciencecenter).Support the show

July 17, 2024Episode 1320 min

...what creatures live in the deep sea? (with Brittany Munson)

The deep sea is a mysterious place full of many different life forms! Some that may seem strange yet incredibly amazing to us. But how can we learn more about these creatures if the deep sea can be so hard to explore!?   Do you ever wonder what creatures live in the deep sea?   In today’s episode the Science Center interns; Nathan Arriaza, Gerardo Martinez, Jose Cornejo, and Jason Mejia have a conversation with Senior Educator here at the California Science Center, Brittany Munson. She tells us all about her month-long deep-sea exploration on the ship Nautilus, studying deep sea ecosystems and some of the cool living things she encountered! Have a question you've been wondering about? Send an email or voice recording to the podcast team to tell us what you'd like to hear in future episodes. Subscribe to our show on Apple Podcasts, Spotify, or Google Podcasts. To see a full list of episodes, visit our show’s webpage. Support the show

June 19, 2024Episode 1213 min

REBROADCAST...who writes the stuff you read in an exhibit? (with Jennifer Lawrence)

For the first few episodes of this podcast, we'll take you behind the scenes of the California Science Center to meet some of the people who design and develop exhibits.Imagine for a minute that you're visiting a science center or a museum. You're looking at an exhibit and… you probably have questions. Good thing there's some text posted nearby to help explain what's going on.These bits of interpretive text are called exhibit labels, and you can find them all over museums. If you've been to a museum, you've read a label. Do you ever wonder who writes them?In this episode, we talk to Jennifer Lawrence, the senior exhibit developer at the California Science Center whose job it is to write pretty much everything you read while looking at and playing with our exhibits.Have a question you've been wondering about? Send an email to everwonder@californiasciencecenter.org to tell us what you'd like to hear in future episodes.Follow us on Twitter (@casciencecenter), Instagram (@californiasciencecenter), and Facebook (@californiasciencecenter).Support the show

June 5, 2024Episode 1125 min

REBROADCAST:......if robots can be biased? (with Ayanna Howard)

The field of robotics has advanced a LOT over the past couple of decades, and part of that has to do with advances in the fields of computer science and artificial intelligence. Algorithms that help robots function and interact with the world are all around us, from the search engines we use to the facial recognition function in our phones.But these algorithms can have problems. This past September, for example, Twitter users discovered that photo previews, which use machine learning to crop photos to the most interesting part, appeared to favor white faces over Black faces.We know that humans aren't perfect, but… Do you ever wonder if robots can be biased?Ayanna Howard (@robotsmarts) is a roboticist, professor, director of the HumAnS Lab, and chair of the School of Interactive Computing at Georgia Tech. She is a leader in the field and has many accomplishments, but one area of her work that caught our eye is her research on how algorithms and robots can be biased.Have a question you've been wondering about? Send an email to everwonder@californiasciencecenter.org to tell us what you'd like to hear in future episodes.Follow us on Twitter (@casciencecenter), Instagram (@californiasciencecenter), and Facebook (@californiasciencecenter).Support the Show.Support the show