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Science Friday

Fridays 1 - 3 p.m.
  • Hosted by Ira Flatow

Science Friday is a weekly science talk show, broadcast live over public radio stations nationwide from 2-4 p.m. Eastern time. Each week, we focus on science topics that are in the news and try to bring an educated, balanced discussion to bear on the scientific issues at hand. Panels of expert guests join Science Friday's host, Ira Flatow, a veteran science journalist, to discuss science -- and to take questions from listeners during the call-in portion of the program.

To participate, call 1 (844) 724-8255 or Twitter users can tweet questions @scifri.

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Caught On Video: How DNA Replicates

4 hours ago

Baby Boxes, Singing Fish, And E-DNA

4 hours ago

Getting To Know The Placenta

4 hours ago

Kepler Unveils A New Crop Of Exoplanets

4 hours ago

Tired of jogging? There’s an exosuit for that.

Jun 20, 2017

Talk about suiting up for a jog — researchers have developed an exosuit that helps runners use less energy.

The ensemble is no stiff, Iron Man-style exoskeleton — it looks more like a pair of belted spandex shorts. In the study, recently published in Science Robotics, researchers say that wearing the suit can cut the metabolic cost of a treadmill run by 5.4 percent.

For fish, the good and bad of warming ocean waters

Jun 19, 2017

As ocean temperatures rise, what will happen to the fish we eat?

According to a recent study published in “Progress in Oceanography,” some fish species will thrive in warmer waters — and others, not so much.

Using a detailed climate model and historical observation data, researchers at NOAA and The Nature Conservancy modeled the shifting thermal habitats of over 50 species along the Atlantic coast, from North Carolina to the Gulf of Maine.

How to make bionic limbs feel more natural

Jun 18, 2017
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Juan Carlos Ulate/Reuters

When you flex your bicep, your muscle sends information to your brain, allowing you to feel your muscle contract without even having to glance at it. But if you have a bionic limb, you don’t get that same sensory feedback.

“When I move my bionic ankles, I don’t feel the movement of the ankles, and when the torque increases on my bionic ankle joints, I don’t feel that torque,” says Hugh Herr, who co-directs the Center for Extreme Bionics at MIT, and whose legs are amputated below the knee.

Just how much science is in forensic science?

Jun 17, 2017
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<a href="https://www.flickr.com/photos/westmidlandspolice/7170656948/">West Midlands Police</a>/<a href="https://creativecommons.org/licenses/by-sa/2.0/">CC BY-SA 2.0</a>

On TV crime shows, forensic science always just manages to pinpoint the criminal in the span of a televised hour — and with 100 percent accuracy. But in real life, forensic science doesn’t always work so smoothly.

The Mindset For A Milkshake

Jun 17, 2017

Can The Great Lakes Stay Great?

Jun 17, 2017

The story of Magnus Hirschfeld, the ‘Einstein of sex'

Jun 14, 2017

Decades before Alfred Kinsey developed his scale for human sexuality, there was Magnus Hirschfeld — a doctor who dedicated his career to proving that homosexuality was natural.

Hirschfeld’s reasoning was simple: In turn of the 20th century Germany, where he lived, a law called Paragraph 175 made so-called “unnatural fornication” between men punishable by prison time.

Have you gotten your hands on a fidget spinner yet?

The brightly colored device can be spun, flipped and even tossed in one hand, and it’s been turning up in schools across the country.

Manufacturers say the fidget spinners can help relieve stress, but the toys have already been banned as distractions in some classrooms, sending kids back to the Stone Age of clicking pens and squeezing stress balls.

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