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Kellen McGee
Exploradio OriginsEpisodes
Kellen McGee
Exploradio Origins
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You may know semiconductors from computers: they’re a material somewhere between an electrical conductor and an electrical insulator that can be used as an extremely fast switch. However, semiconductors are also what we have to thank for the re
"There are technologies that we can use now like next generation sequencing where it allows us to take a really teeny tiny piece of DNA or RNA and generate thousands if not millions of measurements. And then we sort of look at each other like,
“It's known that the universe is expanding; of course it's been known since the 1920s. The surprise we were hit with in the 1990s is that the expansion is accelerating, and so it's a big mystery, what causes that to happen,” Harsh Mathur said.
The fishermen of Iceland became concerned around a decade ago. The capelin, a small fish that’s a staple catch, and a crucial link in the ocean ecosystem, stopped migrating like they used to. To whom did they turn? A team of mathematicians.
Some of you may have heard of SETI: the Search for Extraterrestrial Intelligence. The idea is that if there's an advanced alien civilization, they’d try to contact us using radio. So we should look for radio signals from space that look like me
A research group at Case Western Reserve University, led by professor of biomedical engineering Dustin Tyler, works with neural implants in people who’ve lost limbs to restore not only motion with prosthetics, but also the sense of touch.
"If we find life on another planet, it's likely going to be microbial," said Ashley Manning-Berg, assistant professor in geology at The University of Tennessee in Chattanooga.
Epilepsy is a condition that we usually think of as being in the brain. Doctors typically identify it by measuring brain activity. However, new evidence has emerged showing that the brain may not be the only place we can see epilepsy.
In the early 20th century, physicists discovered cosmic rays- energetic particles zooming through deep space.
The schistosome worm causes schistosomiasis, which just might be the biggest parasitic disease you’ve never heard of. “You get it walking in water that's infected with infectious snails,” said Emmitt Jolly, associate professor of biology at Cas
“Cultural geology in my eye is the interface of geology and human culture,” Joe Hannibal said.
When we think about it, we usually remember to breathe when we’re awake. But who’s at the controls when we’re sleeping?
To live and function, we know cells have to eat and reproduce. But, they also have to take out the trash. What seems like a simple chore to us is actually a matter of life or death for the cell, and drug designers are finding this useful in the
Mathematics and biology sound like pretty distant relatives, but for Wanda Strychalski, an assistant professor of mathematics at Case Western Reserve University, they’re a perfect match.
Humans have had to live with malaria for a long time. So long, in fact, that we even see changes in our genome that protect us from the disease.
It seems our brains are never truly quiet. We dream when we are asleep, and in sensory deprivation experiments, participants start hallucinating within 15 minutes. Where does this spontaneous activity in our brains come from?
When we cool things down, classically, we can think of the atoms moving around inside the material getting slower and slower until they stop moving. That should make really cold things really boring, right?
“People always want to know where they came from, right? They get excited by new discoveries of dinosaurs, but they become curious by the discovery of early human fossils.”
Each time our cells grow and divide, they have to perfectly copy out almost a billion elements of genetic code. Of course, perfect almost never happens. So as soon as there was a genetic code, life had to evolve a way to fix DNA mismatches. But
In order to function, the cells in our bodies need to coordinate and pass information, say, if we need a burst of energy to flee a threat. But, without eyes, ears, or even radios, how do they signal this information reliably?
Scientists have spent centuries studying how matter works. They’ve boiled it, they’ve frozen it, and they’ve even thrown it into particle colliders and smashed it up. They’ve learned a lot about what matter does in these conditions, but--that’s
When Dr. Robert Brown started teaching physics at Case Western Reserve University, he had no idea he’d be using his expertise in magnetic fields to hunt malaria. The earlier malaria is diagnosed, the more likely you are to survive, but most lab
What if I described a plant that has nutrient-rich beans, protein-rich roots, produces high quality oil, and, grows in desert regions where rural communities desperately need a drought-resistant crop? Sound too good to be true? Maybe not. I’ve
How do embryos know how to become male or female? Prof. Mike Weiss, chair of the Department of Biochemistry and Molecular Biology at Indiana University, is studying how one protein, known as the sex-determining protein Y, or “SRY,” can program
In 1916, Einstein made a bold prediction- that gravity actually travels in waves. These “gravitational waves” would be ripples in the fabric of space a bit like ripples on a pond, and would slightly stretch and squash the distances between thin
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