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The History Of Teeth, From Ancient Fish To Humans
Episode 848
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 y…
1 year, 6 months ago
Errors On Death Certificates May Be Skewing Mortality Data
Episode 847
According to the Centers for Disease Control and Prevention (CDC), the maternal mortality rate in the United States is very high compared to other we…
1 year, 6 months ago
Astronaut Cady Coleman On ‘Sharing Space’
Episode 846
There’s a phenomenon known as the “overview effect,” a changed perspective some people experience after seeing the Earth from space. Retired astronau…
1 year, 6 months ago
Protecting Sequoias From Wildfire Gets Tricky | Ancient Cave Art And Human Creativity
Episode 845
Sequoia National Park is largely designated as wilderness. That complicates efforts to protect its iconic trees from worsening wildfires. Also, archa…
1 year, 6 months ago
Plastic In Human Brains | Local Anesthetics Recommended For IUD Insertion
Episode 844
A new study measuring microplastics in organs of the recently deceased found that about two dozen brain samples were 0.5% plastic by weight. Also, ha…
1 year, 6 months ago
Don’t Just Walk In The Woods—Touch, Smell, and Taste Them, Too
Episode 843
It’s been a hot and rainy summer in many parts of the US, and it’s been hard to spend as much time in nature as many of us would like. Heat waves and…
1 year, 6 months ago
Are Space Elevators Really A Possibility?
Episode 842
The space elevator has been a staple of science fiction for decades, from The Fountains of Paradise by Arthur C. Clarke to the Apple TV show “Foundat…
1 year, 6 months ago
Could Light And Sound Therapy Treat Alzheimer’s?
Episode 841
A new potential Alzheimer’s therapy uses 40-hertz frequencies of light and sound to stimulate the brain. Research applying this treatment to mice sho…
1 year, 6 months ago
Dr. Fauci On A Life Of Medical Research And Public Service
Episode 840
Dr. Anthony Fauci has a long history with Science Friday. Ira first met him in the early 1980s while covering the HIV/AIDS epidemic. He has been a fr…
1 year, 6 months ago
Evidence For Liquid Water On Mars | Making Campsite Booking Fairer
Episode 839
Data from the Mars InSight lander points to the presence of liquid water underneath its crust. Also, some national and state parks are changing the w…
1 year, 7 months ago