What are gravitational waves? - Amber L. Stuver
AdultsPhysicsScienceSpaceIn September 2015, scientists witnessed something never seen before: two black holes colliding. Both about 30 times as big as our Sun, they had been orbiting each other for millions of years. A fraction of a second before the crash, they sent a vibration across the universe at the speed of light that was picked up by the LIGO detector. So what are these ripples in space? Amber L. Stuver explains.
Why is this 2,500 year old shipwreck so well-preserved?
AdultsConstructionHistoryScienceDiscover the unique conditions that make the Black Sea host to dozens of shipwrecks that date back thousands of years.
How to Photograph the Night Sky | National Geographic
AdultsCreativityEducationHuman...NASCAR driver and photography enthusiast, Bubba Wallace, and National Geographic Photographer Babak Tafreshi demonstrate how to take nighttime photos of the sky. Paid Content for Columbia.
You could have a secret twin (but not the way you think) - Kayla Mandel Sheets
AdultsBiologyHumanScience...While searching for a kidney donor, Karen Keegan stumbled upon a mystery. After undergoing genetic testing, it turned out that some of her cells had a completely different set of genes from the others.
How the Kushites Took Over Egypt | Flooded Tombs of the Nile
AdultsHistoryHumanScience...The Kushites and the Egyptians have a long history that is often forgotten about. Archeologist excavating a Kushite tomb discuss just how interconnected the two cultures were as they discover new artifacts within the tomb.
Why You Should Want Driverless Cars On Roads Now
AdultsArtificial IntelligenceIndustryScience...How close are we to having fully autonomous vehicles on the roads? Are they safe? In Chandler, Arizona a fleet of Waymo vehicles are already in operation. Waymo sponsored this video and provided access to their technology and personnel. Check out their safety report here:
MinuteEarth Explains: How Did Whales Get So Big? | Book Trailer
AdultsAnimalsLifeNature...It’s packed with the clever explanations, adorable illustrations, and quirky humor you love from MinuteEarth – all in hard-cover form! Explore science and fun facts about animals, plants, microbes and more from all over Earth (and beyond).