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.
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.
Here's What You Need To Know About Microwave Safety
Jul 25, 2017 · The bottom line: Your microwave is (probably) safe. The National Fire Protection Association reported that out of the annual average of 166,100 home fires caused by cooking equipment between 2010 and 2014, only 4 percent were caused by microwave ovens. And, only 2 percent of injuries were from microwave oven-related fires.
Why Are Honeycomb Cells Hexagonal? - Science Friday
Sep 1, 2017 · Scientists use their observations to make sense of the world we live in. When scientists come across a phenomenon and are puzzled by what they observe, such as the hexagonal shape of a honeycomb cell, they will often ask questions and try to understand the phenomenon by forming a “claim.” You have made several observations of honeycomb cells.
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 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 ...
How Oppenheimer’s Bombs Compare To Today’s Nukes - Science …
Aug 4, 2023 · A mushroom column from the Trinity test in 1945. Credit: Los Alamos National Laboratory/Flickr/CC BY-NC-ND 2.0 On the day the film Oppenheimer came out, Science Friday discussed the history of the Manhattan Project, including the legacy of the Trinity Test, where the world’s very first nuclear weapon was detonated in the desert of New Mexico. We also heard from a survivor of the Hiroshima ...
Helpful Or Harmful? How AI Shaped Education In 2023 - Science …
Dec 12, 2023 · Two things have become clear: This technology is already transforming education—and people have many questions. Science Friday hosted a virtual conversation with experts in AI and education in October 2023 to understand the potential AI holds for education and some of the pitfalls to be confronted as it comes to schools across the country.
Name That Call: Test Your Animal Sound Trivia - Science Friday
Mar 6, 2020 · SciFri’s digital producer D Peterschmidt teamed up with Google Earth to create an interactive quiz that hops you around the world and highlights the many (sometimes surprising) sounds that species make. Daniel challenges Ira to an animal sound showdown. Test your knowledge and explore the wide world of screeches, howls, and growls with the ...
Is Each Fingerprint On Your Hand Unique? - Science Friday
Feb 2, 2024 · Credit: Gabe Guo, Columbia Engineering. We often think about each fingerprint as being completely unique, like a snowflake on the tip of your finger. But a new study shows that maybe each person’s fingerprints are more similar to each other than we thought. Researchers trained artificial intelligence to identify if a thumbprint and a pinky ...