Science Friday
6 days ago · To find out how blood affects aging, scientists can surgically connect two animals and let blood circulate between them. Give a dollar for every Friday! Thank you for helping us continue making science fun for everyone. Science Friday® is produced by the Science Friday Initiative, a 501 (c) (3) nonprofit organization.
How Sexual Intercourse Was Invented, 385 Million Years Ago
Jun 3, 2022 · Our oldest evidence of penetrative intercourse is about 385 million years old and comes in the form of fossilized remains of the way too aptly named Microbrachius dicki. I know. I know! But believe it or not, M. dicki got its rather pointed moniker from Scottish baker-turned-botanist Robert Dick in the nineteenth century. Mr.
Paper Airplane Flight Challenge - Science Friday
Jun 18, 2021 · Paper Airplane Data Collection Worksheet. Before we start building, we need to prepare to test all of our designs. Find a space in your home where paper airplanes can fly safely. Grab a ruler and use tape to mark every 12 inches along the floor. Use the Paper Airplane Data Collection Worksheet to record the distance of multiple airplane flights.
Seeing The Patterns In Sound - Science Friday
Nov 7, 2016 · Vibrations of D. Credit: Louviere + Vanessa. In the late 18 th century, German physicist and musician Ernst Chladni demonstrated how vibrations could be used to create striking imagery. By spreading fine sand across the top of a metal plate and running a violin bow alongside, Chladni showed that the sand would settle into distinct patterns, depending on the frequencies of the sound waves ...
The Science Behind Cryptid Sightings - Science Friday
Oct 29, 2021 · This segment is part of the Spine-Chilling Science spotlight. People around the world have long been fascinated by the idea that there are strange creatures out there, ones that may or may not exist. Tales circulate about cryptids–animals whose existence can’t be proved—like Bigfoot hiding out in American forests, or sea serpents lurking ...
Podcasts - Science Friday
Science Diction. From the people who make Science Friday, we bring you Science Diction, a bite-sized podcast about words—and the science stories behind them.Hosted by SciFri producer and self-proclaimed word nerd Johanna Mayer, each episode of Science Diction digs into the origin of a single word or phrase, and, with the help of historians, etymologists, and scientists, reveals a …
The Oozy Physics Of Oobleck - Science Friday
Dec 15, 2023 · This kind of material is called an oobleck, and it’s a type of non-Newtonian fluid, meaning its viscosity changes under pressure or stress. Oobleck-like materials include human-made things like Silly Putty and paint, but are also found in nature; blood and quicksand are both non-Newtonian fluids. For a long time, it’s been hard to prove ...
Untangling The Long-Armed Mystery Of The Bigfin Squid
Jun 24, 2021 · In the two decades since, the “mystery squid” has been identified and given a scientific name, Magnapinna, better known as the bigfin squid. But its elbowed, slender arms and unearthly visage have also attracted other nicknames, like the “ long-arm squid ” and “ daddy long legs of the ocean,” and recently “ ghost of the sea,” as …
The Origin Of The Word ‘Helium’ - Science Friday
Mar 26, 2019 · Helium comes from the Greek word for sun, helios. That connection to the sun is the reason why, for nearly three decades after it was first observed, chemists dismissed the element that we use today for everything from filling party balloons to cooling the Large Hadron Collider—and now helium is rapidly diminishing. A Blazing Yellow Line.
The Science Of Sunlight And Shadows - Science Friday
Oct 27, 2022 · For 4.5 billion years, the Sun has generated energy to power the solar system. Visible light is the most obvious form of that energy. Every day the Earth turns, and the new day starts with sunlight. Here on Earth, the Sun’s light causes day and night, shadows, eclipses, and seasons. As the Earth moves on its journey around the Sun, the people ...