Posts

October 18, 2014

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4:00 PM | Crowd-sourcing Science on the High Seas
Oceanographers are interested in recruiting blue-water sailors to sample rarely traveled parts of the world's oceans....
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4:00 PM | Question Period - Counting Stars
In our occasional feature, a listener asks how many stars can be seen in the sky?...

October 17, 2014

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7:11 PM | Ebola spreads slower, kills more than other diseases If you...
Ebola spreads slower, kills more than other diseases If you haven’t heard, people are worried about ebola. Some of them should be: care workers who have come into contact with people infected with ebola, for example. Most people shouldn’t be. There have been a lot of great graphics and explainers about ebola over the past few weeks, but this one might be my favorite so far. This little animation from the Washington Post shows just how fast ebola spreads, and how many […]

October 16, 2014

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12:00 AM | Molting effects oxygen consumption in a common mayfly
Molting mayflies hold their breath, have their lungs ripped out and then gasp for breath.

October 15, 2014

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9:12 PM | TWiM #89: Microbial handoffs
Vincent, Michele, and Michael discuss how a gene from bacteria protects a tick from plant cyanide poisoning, and enhanced transmission of Streptococcus pneumoniae by influenza virus co-infection in mice.
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8:53 PM | Let's Get Small: A Panel on Nanoscience
Scientific American senior editor Josh Fischman joins nanoscience researchers Shana Kelly, Yamuna Krishnan, Benjamin Bratton and moderator Bridget Kendall from the BBC World Service program The... -- Read more on ScientificAmerican.com
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7:35 PM | Could The Pill be Killing our Fish?
Every day in Canada, estrogen, from millions of birth control pills, is flushed down the toilet and into our rivers and lakes. And according to a new Canadian study, it could be killing our fresh water fish. Researchers put estrogen into an experimental lake, and it led to the near-extinction of the fathead minnows.

October 14, 2014

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10:10 PM | StarTalk SoundBite: Where Do Heavy Elements Come From?
Where do heavy elements come from? If you said “the ground” move to the back of the class. Never fear, the answer is in this StarTalk SoundBite with Prof. Neil Tyson and Teaching Assistant Leighann Lord. If you enjoyed this SoundBite or just want to learn more about Astrophysics in general, be sure to check out the full episode here: https://soundcloud.com/startalk/cosmic-queries-general-astrophysics-101
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3:39 AM | Episode 207 – Drop Bears of South America
00:00:00 – Dr. Robert McAfee joins Ryan to discuss all things sloths! Finally, Ryan gets to just cut loose. First up on the docket, were giant ground sloths sneaking meat meals in between the leaves? There’s some evidence to suggest that they were, but do these two slothologists believe it? 00:29:29 – No good sloth discussion […]

October 13, 2014

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2:47 PM | BacterioFiles 186 - Matched Mice, Mismatched Microbiota
This episode: Gut microbes can be different even in genetically identical mice in similar conditions! Download Episode (7.4 MB, 8 minutes)Show notes:Journal Paper Other interesting stories: Bacteria could make building materials using less energy Even in placenta bacteria can be important for health Seeing if algae (and thus, plants) can survive in space Bacteria can make plastic out of methane gas Some fungi could adapt to Mars-like conditions within a few days (paper) Post questions or […]

October 12, 2014

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6:51 PM | The Ig Nobel Prize
Neil deGrasse Tyson and co-host Leighann Lord dive into the strange world of the Ig® Nobel Prize for research that first makes you laugh, and then makes you think. Read more and listen to the full episode at http://www.startalkradio.net/show/the-ig-nobel-prize

October 11, 2014

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4:00 PM | Quirks & Quarks for Oct. 11, 2014
This week, we speak to the latest winner of the Nobel Prize in Chemistry; we look at how birds decorate for survival; we learn why walking is the cheetah's problem; we find out how fossil fuel exploration leads to wilderness...
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4:00 PM | Nobel for Seeing the Invisible
The 2014 Nobel Prize in Chemistry is awarded for an innovation in optical "nanoscopy."...
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4:00 PM | Birds Colour Match Their Nests
Zebra finches select nest materials to camouflage their nests....
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4:00 PM | Cheetahs Are Walking, Not Running, to Extinction
A study of cheetah energetics suggests that human activity is making their hunting more difficult....
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4:00 PM | Oilpatch Ozone Pollution
Fossil fuel extraction leads to surprising smog in rural wilderness areas....
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4:00 PM | Physics Breakthrough Breaks Down
The claim that gravity waves were detected last spring might have been mistaken....

October 10, 2014

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7:53 PM | Exploring Ocean Tectonics from Space
Ever wondered what’s under the ocean? Well now you can take a super detailed tour, thanks to a team from UCSD and their . This map is far more detailed than previous ocean floor maps, and the science behind it was recently published in the journal Science. I just lost about an hour exploring some of my favorite dive sites topographies, so beware. »Rose
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11:38 AM | Episode One Hundred And Ninety – On Psychic Awareness Month – Interview With Michael Marshall
In March of this year, the UK charity Good Thinking was contacted by Mark Tilbrook. Mark is a skeptical activist who had been planning to hand out leaflets to people on their way to attend a range of psychic shows. Both during and after the events, Mark had to deal with ...
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10:17 AM | Beepcast, September 2014
Dieter Hochuli from the University of Sydney, tells me what life’s like for a caterpillar, and how one has evolved a cool mechanism to avoid being attacked. I find out how personality might influence your decision making, if you’re a stickleback. And in the scientific spark, I talk to Leigh Simmons who is managing editor of the scientific journal Behavioral Ecology, and Professor at, and Director of, the Centre for Evolutionary Biology at the University of Western Australia, about […]
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6:00 AM | How the brain navigates: science Nobel prize special podcast
We speak to the three winners of the 2014 Nobel Prize in Physiology or Medicine, who discovered 'the brain's GPS' Continue reading...

October 09, 2014

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6:13 PM | Karen Hopkin: Who's The Donor?
A panicked day leads Karen Hopkin to wonder if her sperm donor really is the father of her child. Karen Hopkin is a freelance writer and the creator of the Studmuffins of Science calendar. Karen received a PhD in biochemistry in 1992, and then traded in her test tubes for a keyboard. A former producer for NPR's Science Friday, Karen currently voices stories for Scientific American's daily podcast, 60-Second Science. She is a coauthor of the textbook Essential Cell Biology and has written for […]
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5:58 PM | Cosmic Minute: “You Cannot Leave” – Dr. Martin Luther King Jr.
Nichelle Nichols, Star Trek's Lt. Uhura, describes how Dr. Martin Luther King Jr. personally responded to her desire to leave the show. Listen as she recounts history in the making to Neil deGrasse Tyson. If you like this track, check out the whole StarTalk Radio “A Conversation with Nichelle Nichols” episode at http://www.startalkradio.net/show/a-conversation-with-nichelle-nichols/.
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2:02 PM | Seeing What Can't Be Seen
The Nobel Prizes were awarded this week, and the Chemistry Prize went to a physicist and engineer who, along with two colleagues, has developed new microscopes capable of seeing individual molecules in a living cell - something thought to be impossible only a decade ago. We'll speak to the new Laureate.

October 08, 2014

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5:30 PM | Building A Better Microscope: 2014 Nobel Prize in Chemistry
The 2014 Nobel Prize in Chemistry is awarded to Eric Betzig, Stefan Hell and William Moerner for the development of super-resolved fluorescence microscopy. The winning work is explained by chemistry... -- Read more on ScientificAmerican.com
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3:24 AM | SoT 163: The 2014 Ig Nobel Prizes
The Ig Nobel Prizes honour achievements that first make us laugh, then make us think. We take a look at this year’s winners: from banana peels to people dressed as polar bears! PHYSICS PRIZEA team from Japan for measuring the amount of friction between a shoe and a banana skin, and between a banana skin and the floor, when a person steps on a banana skin that's on the floor.Banana peel slipperiness wins IgNobel prize in physics NEUROSCIENCE PRIZEScientists from China and […]

October 07, 2014

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11:01 PM | Sarah Boseley asks if the latest guidelines on drugs for MS sufferers are good news or bad
With Nice announcing its latest guidelines on drugs and clinical care, the Guardian's health editor is joined by an expert panel to discuss the implications for those who suffer from MS Continue reading...
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8:10 PM | StarTalk SoundBite: Is Earth Weightless?
Did you know that you are heavier than the Earth? Host Neil deGrasse Tyson breaks down the difference between mass and weight on a planetary scale, as well as discussing the Sun, Earth, asteroids, orbits, and freefall with Leighann Lord. If you enjoyed this SoundBite or just want to learn more about Astrophysics in general, be sure to check out the full episode here: https://soundcloud.com/startalk/cosmic-queries-general-astrophysics-101
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4:53 PM | Blue Light Special: 2014 Nobel Prize in Physics
The 2014 Nobel Prize in Physics goes to Isamu Akasaki, Hiroshi Amano and Shuji Nakamura for the invention of efficient blue light–emitting diodes, which has enabled bright and energy-saving... -- Read more on ScientificAmerican.com
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12:13 PM | BacterioFiles 185 - Bacteroid Builds Beta-lactam Buffer
This episode: Antibiotic-degrading probiotics protect mouse gut microbes from hostile pathogen takeover after antibiotic treatment! Download Episode (7.8 MB, 8.5 minutes)Show notes:News item/Journal Paper Other interesting stories: Insect bacterial symbionts can pass to offspring through sperm (paper) Studying human history thru microbes in fossilized feces Fungi can clean up composting-resistant pollutants in soil Microbes could make useful product from industrial wastewater Bacterial […]
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