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Science Friday is your trusted source for news and entertaining stories about science.
In Memory of Leonard Nimoy
The Star Trek actor died on February 27, 2015. He spoke to SciFri about science fiction in this archival interview.
The Hidden Beauty Of The Human Placenta
Though discarded after birth, the placenta builds the first vital connection between mother and fetus.
Should These Scientific Ideas Be Retired?
Two scientists consider the concepts of the universe and falsifiability.
A Hideous Fungus, A Nutritious Snack
A Canadian researcher is cultivating a ghastly looking fungal disease into a gourmet snack.
How a Bar Fight Paved the Way for Heart Surgery
An excerpt from “The Man Who Touched His Own Heart.”
This Valentine’s Day, Say ‘I Love You’ With Science
SciFri asked real scientists to write love notes. Now you can share them with that special someone.
An Unusual Rose Blooms in Northern California
This bubblegum-pink sea slug is cropping up in areas where it’s rarely seen in large numbers.
SciFri Book Club: David Grann Answers Your Questions
“The Lost City of Z” author David Grann answers questions from SciFri Book Club readers.
What’s Causing the Color Change in Yellowstone’s Morning Glory Spring?
The interplay of light, bacteria, and water depth influence the dramatic colors at Yellowstone’s famous pool.
From a Destitute Phoenix School, an Underwater Robotics Team Rises
An excerpt from Joshua Davis’ book “Spare Parts.”
How an Electric Eel Is Like a Taser
New research shows that the electric fish operates like a Taser to immobilize prey.
Belize’s Blue Hole Offers Clues To Mayan Collapse
Sediment cores from around the Yucatán Peninsula support a theory as to what could have led to the Mayans’ demise.
The SciFri Book Club Searches for Lost Cities
Journey into the Amazonian jungle with David Grann’s “The Lost City of Z.”
The Green Comet
You might be able to spot this bright, verdant comet with the naked eye.
Talking Darwin Over Dinner
An excerpt from the Science Guy’s new book, “Undeniable.”
When Egg Meets Sperm, Sparks Fly
The original meet-cute. When sperm and egg meet, sparks fly.
Make Your Own Fall Foliage With This Dad-Tested Experiment
Learn about why leaves change colors in different seasons.