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3.237 afleveringen, van nieuw naar oud
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Birth of a Planet
25 mei 2010 · 14 min
To most people, planets are one of the most familiar of astronomical objects. After all, we do live on one. But how do these massive spheres get their start? Tune in to learn more about the birth of planets -- including our own -- in this podcast. Lees meer
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A Star is Born
20 mei 2010 · 15 min
Like most things in the universe, stars begin as particles floating around in massive clouds of dust and gas. But what forces these particles to coalesce and form a star? Tune in and learn more about the birth of stars in this podcast. Lees meer
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Why Science Fiction Matters
18 mei 2010 · 33 min
Even people who don't care for science fiction know about the genre -- thousands of new science fiction stories come out every year. But why does science fiction matter? Tune in and learn the answer in this podcast. Lees meer
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Toilets in Space
13 mei 2010 · 22 min
Every astronaut knows that life in space requires numerous adjustments -- after all, things just aren't the same without gravity. So how exactly does a toilet work in space? Learn more about the science behind space's supertoilets in this podcast. Lees meer
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Immunocontraception and You
11 mei 2010 · 19 min
Immunocontraception is a humane type of birth control that's used to control wild animal populations. In this episode, Allison and Robert discuss the pros and cons of immunocontraceptives -- and whether they'll ever be used to control human reproduction. Lees meer
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Regenerate This!
6 mei 2010 · 15 min
According to Richard J. Goss, "If there were no regeneration, there could be no life. If everything regenerated, then there could be no death." But how does this process work? Join Robert and Allison as they explore the science behind regeneration. Lees meer
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Save the Bats!
4 mei 2010 · 18 min
As the only flying mammals, bats play unique roles in our world's ecology. Yet in caves across North America more than a million bats have fallen prey to a mysterious affliction known as white nose syndrome. Tune in and learn more in this podcast. Lees meer
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Death By Volcano
29 april 2010 · 25 min
People often think of volcanoes as conical mountains erupting ash, smoke and lava into the air. But how do they work? Why are they so dangerous? Listen in to learn more about volcanoes (and all the ways they can kill an unlucky bystander) in this podcast. Lees meer
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How old is that artifact in the window?
27 april 2010 · 18 min
Carbon dating is a way of determining the age of organic matter up to 50,000 years old. But how does it work? Listen in as Allison and Robert explore the uses of carbon dating, as well as the controversial artifacts dated by this method. Lees meer
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What drugs are astronauts on?
22 april 2010 · 18 min
Make no mistake: Space is a very hostile environment. Astronauts in orbit suffer from conditions caused by the lack of gravity, small living quarters and other factors. So how do these astronauts cope? Tune in to learn more about the drugs used in space. Lees meer
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The Virtues of Venom
20 april 2010 · 24 min
Sure, venom could kill you -- but it could also cure you. The medicinal use of venom dates back thousands of years and continues to the present day. Tune in as Allison and Robert break down the science behind venom and medicine in this podcast. Lees meer
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Tetris vs. PTSD
15 april 2010 · 20 min
Everyone knows that video games are entertaining -- but could they have therapeutical value? Tune in and learn how Tetris may help victims of post-traumatic stress syndrome. Lees meer
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Velociraptor Awareness Day
13 april 2010 · 14 min
Dinosaur appreciation days are few and far between -- but the Velociraptor is a special case. Listen in as Allison and Robert explore the amazing abilities and physiology of the Velociraptor in this podcast. Lees meer
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Black Hole Bonanza
8 april 2010 · 12 min
A black hole forms when a star's core collapses, increasing in density until its gravitational pull becomes too powerful for light to escape. This creates a singularity -- and it happens in less than a second. Learn more about black holes in this podcast. Lees meer
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Weapons that Changed the World
6 april 2010 · 18 min
Here's the crazy thing about war: It breeds innovation. Since the dawn of civilization, human beings have searched for ways to kill each other. Join Robert and Allison as they explore the weapons that changed the world, from the horse to nuclear weapons. Lees meer
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What can gravity do for you?
1 april 2010 · 22 min
Gravity is a pervasive and ambiguous force -- we still don't understand everything about it. Yet every physical act on our planet involves gravity. Join Allison and Robert as they explore exactly how gravity affects the average person in this podcast. Lees meer
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Book Sniffers and You
30 maart 2010 · 12 min
You can learn a lot from a book's smell. For example, the books of heavy smokers tend to smell of smoke. When you smell a book, you're encountering more than 200 individual components combining to produce an olfactory fingerprint. Tune in to learn more. Lees meer
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5 Strange Things Written in Your Genes
25 maart 2010 · 14 min
Genetic polymorphism describes a basic fact of human life -- that every set of genes is unique. However, scientists have been able to detect many physical traits from genetic markers. Tune in to learn more about five fascinating genetic markers. Lees meer
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Weighing the Human Soul
23 maart 2010 · 14 min
In the early 1900s, Duncan Macdougall set out to prove the existence of the soul. By placing consumption patients on a scale as they died, he tried to find a difference between the weight of a person before and after death. Learn more in this podcast. Lees meer
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How To Get Lost in the Bermuda Triangle
18 maart 2010 · 19 min
Stretching from Miami to Bermuda and Puerto Rico, the notorious Bermuda Triangle has a bad reputation for wrecking ships and planes. But how much of this legend is based on science? Tune in and learn more in this episode. Lees meer
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Are you smarter than a dolphin?
11 maart 2010 · 21 min
Dolphins are one of Earth's smartest animals. In fact, scientists still aren't sure exactly how smart a dolphin is in relation to the average human being. Join Robert and Allison as they break down the science behind dolphin intelligence in this podcast. Lees meer
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Why do whales beach themselves?
9 maart 2010 · 20 min
When whales or other aquatic mammals wash onto the shore, they are usually unable to return to the sea without help. What exactly causes a whale to beach, and how can scientists prevent it? Tune in and learn more in this episode. Lees meer
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Running with Parasites
4 maart 2010 · 16 min
Are you a fan of running outside without shoes? Many people enjoy walking barefoot, especially in warmer weather. Yet there's a dark side to the joy of a shoe-free life: parasites. Listen in and learn more about parasites in this episode. Lees meer
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How Hurricane Killing Works
2 maart 2010 · 14 min
When hurricanes hit land, they can cause enormous damage over a short span of time -- but how can scientists stop these roving natural disasters? The answers may surprise you. Listen in and learn more in this episode. Lees meer
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Topsy Rides the Lighting
25 februari 2010 · 8 min
What do Edison, Tesla and an unfortunate elephant named Topsy have in common? They were all involved in "The War of Currents," an ongoing battle over the standardization of electricity. Tune in and learn more about Topsy's fate in this episode. Lees meer
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Fight Fire with Fire
23 februari 2010 · 10 min
We've all heard the saying "fight fire with fire," but could it actually work? Tune in as Robert and Allison break down the ways in which firefighters actually do use fire and explosives to fight fires in this episode. Lees meer
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Those Crazy Komodos
18 februari 2010 · 16 min
Located in Indonesia, Komodo dragons are one of nature's fiercest living reptiles. They're also the world's largest lizard. Tune in as Robert and Allison investigate the unique lifestyle -- and brutal dining habits -- of the Komodo dragon. Lees meer
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How well do you know the T. Rex?
16 februari 2010 · 16 min
The Tyrannosaurus rex is one of history's most well-known, feared and misunderstood dinosaurs. Children often learn that this dinosaur was a ferocious predator ... but this might not be the whole story. Listen in and learn more in this podcast. Lees meer
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What exactly is a gene bank?
11 februari 2010 · 16 min
A gene bank is a repository used to preserve genetic material for the future. Gene banks are not a modern concept -- the idea dates back thousands of years. Tune in as Allison and Robert explore gene banks, from Noah's Ark to the Doomsday Vault. Lees meer
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What can blood spatter tell us?
9 februari 2010 · 10 min
To forensic scientists, a bloodstain is more than just a grisly ornament at a crime scene -- so what exactly do they do with it? Turn in and learn more about bloodstain pattern analysis in this episode. Lees meer
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Dinner in Space!
4 februari 2010 · 16 min
Let's say you're an astronaut: Each day you wake up, conduct research and make adjustments to your orbit. Eventually you grab some chow -- but what kind of food do you eat, and why? Join Robert and Allison as they explore the science behind space food. Lees meer
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Do I live next to a Grow House?
2 februari 2010 · 18 min
When drug dealers want to grow marijuana without getting caught, they often set up a "grow house." These buildings look like any other building, and they often fool bystanders. Tune in and learn how to tell if your neighbors are running a grow house. Lees meer
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Are we better off in the dark?
28 januari 2010 · 18 min
Most city dwellers are familiar with contaminated water and smoggy air -- but have you heard of light pollution? Listen in as Allison and Robert explore the effects of light pollution -- and whether humans are better off in the dark. Lees meer
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Mining the Moon
26 januari 2010 · 12 min
Since helium-3 can be used to power the fusion reactors of the future, it may be one of the world's most important fuel sources. It's rare on Earth, but experts believe the moon may have an abundant supply. Tune in and learn more about moon mining. Lees meer
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How Exploding Lakes Work
21 januari 2010 · 14 min
During 1986, an unusual thing happened in Cameroon: Lake Nyos exploded, expelling a toxic cloud that killed roughly 1700 people. How could this happen? More importantly, could it happen again? Learn more about exploding lakes in this episode. Lees meer
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How Fighting Asteroids Works
12 januari 2010 · 18 min
Asteroid impacts are inevitable. As they hurtle toward Earth, experts race against the clock to build an effective asteroid deterrent. Will they succeed in time? Learn more about asteroid fighters -- and their plans to save the world -- in this episode. Lees meer
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Amazing Infestations!
12 januari 2010 · 25 min
From hordes of caterpillars in Liberia to the Australian mice plagues, infestations can occur in almost any part of the world. Join Robert and Allison as they explore some of the world's largest -- and strangest -- infestations. Lees meer
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