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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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Kids and teens are back in school, and the battle over the smartphones in their pockets is becoming more prominent. For years, teachers and parents have lamented about the distractions these devices cause in and out of the classroom. Last year, the US surgeon general declared a youth mental health crisis, citing social media as a significant factor…
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Kids and teens are back in school, and the battle over the smartphones in their pockets is becoming more prominent. For years, teachers and parents have lamented about the distractions these devices cause in and out of the classroom. Last year, the US surgeon general declared a youth mental health crisis, citing social media as a significant factor…
  continue reading
 
SpaceX Crew Completes First Citizen Spacewalk Big news in the world of commercial space flight: On Thursday morning, Jared Iasaacman and Sarah Gillis, members of SpaceX’s Polaris Dawn mission, became the first civilians to complete a spacewalk. The mission is a collaboration between Elon Musk’s SpaceX and Isaacman, a billionaire tech entrepreneur. …
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SpaceX Crew Completes First Citizen Spacewalk Big news in the world of commercial space flight: On Thursday morning, Jared Iasaacman and Sarah Gillis, members of SpaceX’s Polaris Dawn mission, became the first civilians to complete a spacewalk. The mission is a collaboration between Elon Musk’s SpaceX and Isaacman, a billionaire tech entrepreneur. …
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Samples of 2.5 billion-year-old mantle rocks found at spreading ocean ridges could put bounds on models of how the planet formed. And, researchers decreased the amount of lignin in poplar tree wood, making it stronger and slower to deteriorate. ‘Time Capsule’ Rocks Provide Clues About Earth’s Mantle If you’re looking to really learn about the histo…
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Samples of 2.5 billion-year-old mantle rocks found at spreading ocean ridges could put bounds on models of how the planet formed. And, researchers decreased the amount of lignin in poplar tree wood, making it stronger and slower to deteriorate. ‘Time Capsule’ Rocks Provide Clues About Earth’s Mantle If you’re looking to really learn about the histo…
  continue reading
 
If you’ve ever seen a cute cow video on social media, you might notice they seem to have a lot in common with dogs. They can wag their tails, they love to gobble down tasty treats, and if you’re lucky, they might flop over for a nice belly or neck scratch. Cows are clearly emotional animals, but how smart are they exactly? That’s the question that …
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If you’ve ever seen a cute cow video on social media, you might notice they seem to have a lot in common with dogs. They can wag their tails, they love to gobble down tasty treats, and if you’re lucky, they might flop over for a nice belly or neck scratch. Cows are clearly emotional animals, but how smart are they exactly? That’s the question that …
  continue reading
 
Shark fishing is alive and well, but the fishermen who do it are increasingly prioritizing conservation. And, an unknown ant was spotted in Manhattan in 2011, and it quickly spread through New York City. We now know what it is. Fishing For—And Saving—Sharks off the Jersey Shore At an undisclosed beach at 5:30 p.m. in New Jersey, shark fisherman AJ …
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Shark fishing is alive and well, but the fishermen who do it are increasingly prioritizing conservation. And, an unknown ant was spotted in Manhattan in 2011, and it quickly spread through New York City. We now know what it is. Fishing For—And Saving—Sharks off the Jersey Shore At an undisclosed beach at 5:30 p.m. in New Jersey, shark fisherman AJ …
  continue reading
 
You might be familiar with a gigabyte, one of the most popular units of measure for computer storage. A two-hour movie is 3 gigabytes on average, while your phone can probably store 256 gigabytes. But did you know that your body also stores information in its own way? We see this in DNA, which has the instructions needed for an organism to develop,…
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You might be familiar with a gigabyte, one of the most popular units of measure for computer storage. A two-hour movie is 3 gigabytes on average, while your phone can probably store 256 gigabytes. But did you know that your body also stores information in its own way? We see this in DNA, which has the instructions needed for an organism to develop,…
  continue reading
 
ESA officials said it was only the ninth time an asteroid was spotted before reaching Earth’s atmosphere. And, as the climate changes and summer temperatures linger, educators are increasingly worried about keeping kids safe from heat exhaustion. An Asteroid Impact, Spotted In Advance On Wednesday, an asteroid named 2024 RW1 burned up in the atmosp…
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ESA officials said it was only the ninth time an asteroid was spotted before reaching Earth’s atmosphere. And, as the climate changes and summer temperatures linger, educators are increasingly worried about keeping kids safe from heat exhaustion. An Asteroid Impact, Spotted In Advance On Wednesday, an asteroid named 2024 RW1 burned up in the atmosp…
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A new study suggests that the asteroid that killed the dinosaurs may have originated from the outer parts of the solar system. And, invasive spotted lanternflies often lay eggs on vehicles and shipped goods. Now researchers are training dogs to sniff them out before they hatch. Asteroid That Killed The Dinosaurs Was A Carbon-Rich Rock Around 66 mil…
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A new study suggests that the asteroid that killed the dinosaurs may have originated from the outer parts of the solar system. And, invasive spotted lanternflies often lay eggs on vehicles and shipped goods. Now researchers are training dogs to sniff them out before they hatch. Asteroid That Killed The Dinosaurs Was A Carbon-Rich Rock Around 66 mil…
  continue reading
 
Eels have fascinated humans for thousands of years, even captivating big thinkers like Aristotle and Freud. Despite having been around for some 200 million years, eels are still rather mysterious creatures. For example, scientists still aren’t sure exactly how they spawn. But those unanswered questions haven’t stopped humans from wanting to eat the…
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Eels have fascinated humans for thousands of years, even captivating big thinkers like Aristotle and Freud. Despite having been around for some 200 million years, eels are still rather mysterious creatures. For example, scientists still aren’t sure exactly how they spawn. But those unanswered questions haven’t stopped humans from wanting to eat the…
  continue reading
 
Did you know that almost every star you see in the night sky has at least one planet orbiting it? Here’s something even wilder: There are some celestial bodies that look a lot like planets, but just float around freely in the cosmos, unattached to any particular star. They’re called rogue worlds. With data from the James Webb Space Telescope, astro…
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Did you know that almost every star you see in the night sky has at least one planet orbiting it? Here’s something even wilder: There are some celestial bodies that look a lot like planets, but just float around freely in the cosmos, unattached to any particular star. They’re called rogue worlds. With data from the James Webb Space Telescope, astro…
  continue reading
 
You might have noticed that the seasons don’t quite behave like they used to. In some places, fall and spring seem to fly by, while winter and summer are much longer and feel more intense. This shift is known as season creep, where the timing of the seasons starts to shift. This phenomenon is mostly due to climate change creating temperature imbala…
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You might have noticed that the seasons don’t quite behave like they used to. In some places, fall and spring seem to fly by, while winter and summer are much longer and feel more intense. This shift is known as season creep, where the timing of the seasons starts to shift. This phenomenon is mostly due to climate change creating temperature imbala…
  continue reading
 
Several states have reported cases of the rare but serious mosquito-borne illness eastern equine encephalitis. And, the new sci-fi movie "Slingshot," about an astronaut’s mental breakdown, prompts questions about how to prepare humans for long-term space travel. Mosquito-Borne Diseases Are Spreading As Temperatures Rise This week, a New Hampshire m…
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Several states have reported cases of the rare but serious mosquito-borne illness eastern equine encephalitis. And, the new sci-fi movie "Slingshot," about an astronaut’s mental breakdown, prompts questions about how to prepare humans for long-term space travel. Mosquito-Borne Diseases Are Spreading As Temperatures Rise This week, a New Hampshire m…
  continue reading
 
Your teeth don’t just chew your food—they connect you to the deepest of deep history on Earth. Teeth have existed, in some form, for half a billion years, making them more than 250 million years older than dinosaurs. They came before the evolution of warm bloodedness, eggs, and even limbs. From that very first set of chompers emerged a bewildering …
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