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Covering everything about science and technology -- from the outer reaches of space to the tiniest microbes in our bodies -- Science Friday is your source for entertaining and educational stories and activities. Each week, host Ira Flatow interviews scientists and inventors like Sylvia Earle, Elon Musk, Neil deGrasse Tyson, and more.
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In early June, New York Governor Kathy Hochul blocked a congestion pricing plan from going into effect in New York City. This plan would have charged a fee for cars to enter the central business district of Manhattan, and it would have been the first congestion pricing plan to be fully implemented in the United States. While congestion pricing can …
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In early June, New York Governor Kathy Hochul blocked a congestion pricing plan from going into effect in New York City. This plan would have charged a fee for cars to enter the central business district of Manhattan, and it would have been the first congestion pricing plan to be fully implemented in the United States. While congestion pricing can …
  continue reading
 
As the James Webb Space Telescope marks two years of operations, NASA unveils a new image of two galaxies interacting. And, new research shows that cats’ tendency to scratch is affected by stress, certain kinds of play, and how active they are at night. Galaxies ‘Dance’ In Stunning New JWST Image The James Webb Space Telescope, the most powerful te…
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As the James Webb Space Telescope marks two years of operations, NASA unveils a new image of two galaxies interacting. And, new research shows that cats’ tendency to scratch is affected by stress, certain kinds of play, and how active they are at night. Galaxies ‘Dance’ In Stunning New JWST Image The James Webb Space Telescope, the most powerful te…
  continue reading
 
There’s a little bit of Neanderthal in most of us. Neanderthals and Homo sapiens had a long history of intermingling, before the former went extinct about 40,000 years ago. That mixing means most modern humans have some amount of Neanderthal DNA—and it accounts for up to 3% of the genome in some people. While these genetic remnants don’t have much …
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There’s a little bit of Neanderthal in most of us. Neanderthals and Homo sapiens had a long history of intermingling, before the former went extinct about 40,000 years ago. That mixing means most modern humans have some amount of Neanderthal DNA—and it accounts for up to 3% of the genome in some people. While these genetic remnants don’t have much …
  continue reading
 
Climate change is having a profound effect on agriculture. Farmers over the past decade have faced intensifying drought and heat stress on crops, leading many to wonder, what will agriculture look like 50 years from now? In May, at SciFri Live at Iowa State University in Ames, Iowa, Ira Flatow discussed the future of agriculture, and potential solu…
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Climate change is having a profound effect on agriculture. Farmers over the past decade have faced intensifying drought and heat stress on crops, leading many to wonder, what will agriculture look like 50 years from now? In May, at SciFri Live at Iowa State University in Ames, Iowa, Ira Flatow discussed the future of agriculture, and potential solu…
  continue reading
 
These days, the 4th of July is known for its fireworks and cookouts. But the holiday commemorates the ratification of the Declaration of Independence, one of the most important founding documents of the United States. The Declaration of Independence, alongside the Emancipation Proclamation, the Constitution, and countless other documents, is housed…
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These days, the 4th of July is known for its fireworks and cookouts. But the holiday commemorates the ratification of the Declaration of Independence, one of the most important founding documents of the United States. The Declaration of Independence, alongside the Emancipation Proclamation, the Constitution, and countless other documents, is housed…
  continue reading
 
Earlier this year, the Smithsonian National Zoo in Washington announced that pandas would be returning to the capitol. This news was met with great fanfare because the zoo’s resident pandas had returned to China last fall, leaving the District panda-less for the first time in more than 50 years. After the pandas left D.C. in the fall, SciFri produc…
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Earlier this year, the Smithsonian National Zoo in Washington announced that pandas would be returning to the capitol. This news was met with great fanfare because the zoo’s resident pandas had returned to China last fall, leaving the District panda-less for the first time in more than 50 years. After the pandas left D.C. in the fall, SciFri produc…
  continue reading
 
It’s officially summertime, and a new season of reading is here! Two science writers and voracious readers have compiled their summer reading recommendations, just for Science Friday fans. Before you head out for a week at the beach, start packing for that road trip, or stock up for a long staycation, we’ve got the list of science-y summer reads, s…
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It’s officially summertime, and a new season of reading is here! Two science writers and voracious readers have compiled their summer reading recommendations, just for Science Friday fans. Before you head out for a week at the beach, start packing for that road trip, or stock up for a long staycation, we’ve got the list of science-y summer reads, s…
  continue reading
 
In a conversation from 2014, Ira talks marinade myths, charcoal chemistry, and the elusive “smoke ring”—the science behind barbecue and grilling. Are marinades a myth? How does the elusive “smoke ring” form? And can the debate over gas versus charcoal be settled at last? In this episode of our “Food Failures” series, barbecue and grilling expert Me…
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In a conversation from 2014, Ira talks marinade myths, charcoal chemistry, and the elusive “smoke ring”—the science behind barbecue and grilling. Are marinades a myth? How does the elusive “smoke ring” form? And can the debate over gas versus charcoal be settled at last? In this episode of our “Food Failures” series, barbecue and grilling expert Me…
  continue reading
 
When you think about Earth, you might think of a giant rock, floating around in space, making laps around the sun. A rock that just happens to have critters, plants, and people crawling around its surface. A new book by Ferris Jabr called Becoming Earth: How Our Planet Came to Life argues otherwise: Life doesn’t just exist on Earth, but life is Ear…
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When you think about Earth, you might think of a giant rock, floating around in space, making laps around the sun. A rock that just happens to have critters, plants, and people crawling around its surface. A new book by Ferris Jabr called Becoming Earth: How Our Planet Came to Life argues otherwise: Life doesn’t just exist on Earth, but life is Ear…
  continue reading
 
If you have teenagers in your life, you may have noticed that kids these days seem to be getting their periods earlier than previous generations did. It’s not just in your head: A recent study from Harvard’s T.H. Chan School of Public Health confirms what many people have assumed, as well as additional findings about period regularity in younger ge…
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If you have teenagers in your life, you may have noticed that kids these days seem to be getting their periods earlier than previous generations did. It’s not just in your head: A recent study from Harvard’s T.H. Chan School of Public Health confirms what many people have assumed, as well as additional findings about period regularity in younger ge…
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Most scientific studies that get published have “positive results,” meaning that the study proved its hypothesis. Say you hypothesize that a honeybee will favor one flower over another, and your research backs that up? That’s a positive result. But what about the papers with negative results? If you’re a researcher, you know that you’re much more l…
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Most scientific studies that get published have “positive results,” meaning that the study proved its hypothesis. Say you hypothesize that a honeybee will favor one flower over another, and your research backs that up? That’s a positive result. But what about the papers with negative results? If you’re a researcher, you know that you’re much more l…
  continue reading
 
China’s Chang’e 6 return capsule landed in Mongolia, carrying samples from the far side of the moon. Also, Paris has invested $1.5B in cleaning up the Seine for open-water swimming events, but recent tests indicate it’s not yet safe. A Sample From The Far Side Of The Moon Lands On Earth This week, the return capsule from China’s Chang’e 6 lunar mis…
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China’s Chang’e 6 return capsule landed in Mongolia, carrying samples from the far side of the moon. Also, Paris has invested $1.5B in cleaning up the Seine for open-water swimming events, but recent tests indicate it’s not yet safe. A Sample From The Far Side Of The Moon Lands On Earth This week, the return capsule from China’s Chang’e 6 lunar mis…
  continue reading
 
The larger Pacific striped octopus is unusually social. But it wasn’t recognized by scientists until 2015, despite one man’s efforts. And, a deep-sea squid in the family Gonatidae was filmed cradling large eggs for its body size, which suggests it’s an entirely new species. Why It Took Decades For This Octopus To Be Recognized Octopus mating behavi…
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