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What is ”egg-shaped"? Host Joe Hanson discusses the shapes of eggs from many different bird species. Part of the "It's Okay to Be Smart" series.
(Source: DCMP)
A good story is not necessarily a true story. In this episode, host Joe Hanson takes a look at a few of the most famous incorrect factoids in science. He also gives some tips on how to not be fooled by scientific urban legends. Part of the "It's Okay to Be Smart" series.
In this episode, host Joe Hanson discusses how the human body is full of design flaws. He argues that these flaws are due to evolution and that the human body is still evolving. Part of the "It's Okay to Be Smart" series.
Can trees really combat climate change? For eons, nature has relied on photosynthesis as a means to keep carbon dioxide levels from getting out of control. This episode discusses ways trees can help solve climate change. Part of the “It’s Okay to Be Smart” series.
In this episode, host Joe Hanson discusses the science behind hot air balloons. He also explains the ideal gas law. Part of the "It's Okay to Be Smart" series.
What color is a banana? Duh, it’s yellow. But what is yellow? How do humans see color in the first place? This series of questions led host Joe Hanson down the path of trying to decode the visual system of humans. Part of the "It's Okay to Be Smart" series.
In this episode, host Joe Hanson and YouTuber Molly Burke, who is blind, discuss echolocation. They work through a series of active echolocation exercises to help the brain construct images of their environment. Part of the "It's Okay to Be Smart" series.
In biology, a chimera is a single organism whose body is made from parts of two or more genetically distinct individuals of the same species. Biological chimeras were once thought to be rare, but modern genetics has shown that these genetic mashups are more common than previously thought. Part of the "It's Okay to Be Smart" series. Please note this title discusses human reproduction.
It never gets dark anymore. Light pollution is not only making it more difficult to see the night sky, but it's also affecting human health. For the past century and a half, since the dawn of electric light, humans have been losing their connection to the night. In this episode, host Joe Hanson travels to McDonald Observatory in Texas, one of the darkest places in North America, to learn what people are doing in order to preserve dark skies. Part of the "It's Okay to Be Smart" series.
The monarch butterfly migration is one of nature’s greatest events. This orange-winged wonder travels up to 4,500 km from all over North America to spend the winter hanging from oyamel fir trees in central Mexico’s mountain forests. But how does an animal with a brain the size of a sesame seed navigate to this one special place? Part of the "It's Okay to Be Smart" series.
A chart of exponential growth shows that some things change faster over time. Back in 1798, Thomas Malthus noticed that not everything grows this way. This caused people to worry, and they were sure it would lead to massive death, starvation, and famine. However, the Green Revolution kept this from happening, and scientists are currently working to produce enough food for the current exploding population. Part of the “It’s Okay to Be Smart” series.
A massive new study has just been released showing that human activities are threatening Earth’s other life-forms in some very bad ways. One million species may be at risk of extinction. Part of the "It's Okay to Be Smart" series.
Butterfly metamorphosis is still a bit of a mystery. What happens inside a chrysalis to turn a caterpillar into a beautifully painted butterfly? In this episode, host Joe Hanson interviews Dr. Arnaud Martin, who uses the CRISPR genetic modification technology to learn about how genes build butterfly wings. Part of the "It's Okay to Be Smart" series.
Every year, hundreds of millions of people voluntarily turn their lives upside down by setting their clocks forward one hour in the spring and back one hour in the autumn. This is mandated by the government and varies depending on where one lives. However, individuals are beginning to ask if the supposed advantages for springing forward and falling back still hold up? Part of the “It’s Okay to Be Smart” series.
Why are trees and other plants green? Seems like a simple question, but the answer is full of surprises. Using a special camera that can pick up light just beyond the visible range, into the near-infrared, viewers get to see trees like never before. These otherworldly images can reveal not only why trees are green on Earth, but what color photosynthetic life on other planets might be. Part of the "It's Okay to Be Smart" series.
People say insects are the food of the future. They’re more environmentally sustainable and more humane than other sources of animal protein. Can eating insects really catch on in Western diets? In this episode, host Joe Hanson tries a variety of foods made from insects and along the way learns that eating bugs isn’t really that new for humans. Part of the "It's Okay to Be Smart" series.
If everyone would just put more in the recycling bin instead of the trash can, the world would be a better place. Right? In this episode, host Joe Hanson discusses the current state of recycling and offers ways to enhance the current methods of recycling. Part of the "It's Okay to Be Smart" series.
Earth’s climate is changing in a big way, and it’s because there's more carbon dioxide in the atmosphere than at any point in human history. But Earth’s climate has changed before. How are scientists studying the impact of human behavior on climate? They are collecting ice cores and analyzing the tiny bubbles of ancient atmosphere trapped in the cores. Part of the "It's Okay to Be Smart" series.
The freezing and melting of water affects so much of the world. Ice crystals in thunderclouds create lightning. It is also powerful enough to crack boulders, float stones, and alter entire landscapes. Ice is a common substance, but it has some secrets and weird properties scientists have only just begun to understand. Part of the "It's Okay to Be Smart" series.
Fifty years ago, NASA sent the first astronauts to walk on the moon’s face. The astronauts returned with a collection of moon rocks. In this episode, host Joe Hanson visits NASA’s lunar sample vault to learn more about the solar system through the study of these specimens. Part of the "It's Okay to Be Smart" series.
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Resources related to vision
A collection containing 12 resources, curated by Charles LaPierre
