From NOVA PBS Official. Black holes: they’re dense, elusive, light-absorbing pockets of spacetime that are critical to our understanding of the universe. Subscribe for free to get all episodes of NOVA Now on Apple Podcasts at https://apple.co/2U5GyYp But black holes are difficult to peer into, so there’s a lot scientists still don’t know. This leaves…

From NOVA PBS Official. If television shows and movies are any indication, we humans spend a lot of our time subconsciously preparing for UFOs carrying maleficent aliens to descend on Earth. Subscribe for free to get all episodes of NOVA Now on Apple Podcasts at https://apple.co/2U5GyYp But should we rush to create an intergalactic battle…

From NOVA PBS Official. An engineer used powerful lights, cameras, and computer software to digitally remove the varnish from the "Mona Lisa," allowing people today to see the painting as Leonardo da Vinci created it. PRODUCTION CREDITS: Excerpted from "Decoding da Vinci" Produced and directed by: Doug Hamilton Digital Production: Ahmin Thornhill © WGBH Educational…

From NOVA PBS Official. Satellites, space observatories, and supercomputers have shown astronomers the ingredients needed to form a galaxy. Spoiler: Dark matter is a must. Subscribe for free to get all episodes of NOVA Now on Apple Podcasts at https://apple.co/2U5GyYp When our ancestors looked up into the night sky, they too saw a great, glimmering…

From NOVA PBS Official. Subscribe for free to get all episodes of NOVA Now on Apple Podcasts at https://apple.co/2U5GyYp The process that powers our sun was still a mystery about 100 years ago. Bit by bit, scientists have worked out that the fusion of hydrogen at a star’s core can generate enough power to keep…

From NOVA PBS Official. A person who has been vaccinated against COVID-19 will have a slightly different immune response to the coronavirus than someone who was previously infected, researchers say. How long does immunity last—and is it all about antibodies? PRODUCTION CREDITS: Digital Producer: Emily Zendt Production assistance: Robert Boyd, David Condon, Shyla Duff, Christina…

From NOVA PBS Official. Green Toad Hemp Farm is the first Black-owned hemp farm in the state of Georgia. Here’s how it operates to provide customers with products that promote holistic health. In "The Cannabis Question," NOVA investigates the story of cannabis from the criminalization that has disproportionately harmed communities of color to the latest…

From NOVA PBS Official. Subscribe for free to get all episodes of NOVA Now on Apple Podcasts at https://apple.co/2U5GyYp You may think of insects as creepy-crawly pests. But for at least 2 billion people on the planet, they’re a source of nourishment. Entomophagy, the practice of eating insects, has been around for thousands of years.…

From NOVA PBS Official. Official Website: https://to.pbs.org/3BVQTqN | #NOVAPBS From crunchy crickets to nutty fly grubs, NOVA takes a tasty look at insect foods and how they could benefit our health and our warming planet. From Thailand to Texas, insect farmers are showing how the tiny critters stack up as an environmentally friendly alternative to…

From NOVA PBS Official. Are the chemical compounds found in cannabis, including CBD, a potential treatment for reducing anxiety? Here’s what one clinical study is finding—and the story of one of its patients. In "The Cannabis Question," NOVA investigates the story of cannabis from the criminalization that has disproportionately harmed communities of color to the…

From NOVA PBS Official. Subscribe for free to get all episodes of NOVA Now on Apple Podcasts at https://apple.co/2U5GyYp The internet revolutionized how we communicate and exchange information. Now, it’s causing the ways in which we invest and spend money to change, laying the foundation for cryptocurrency. How this digital currency functions—much like the inner…

From NOVA PBS Official. Witness a hungry, color-changing cuttlefish take part in an oddly adorable, psychological test. Following days of training, the cuttlefish is faced with the decision to strike and devour one of two tempting prey: Will it wait for the live crayfish or immediately strike the shrimp? Its intriguing behavior is challenging our…

From NOVA PBS Official. In this "Cannabis Question" extra, explore how cannabis can reverse the signs of brain aging in mice—and whether it may have the same effect in humans. In "The Cannabis Question," NOVA investigates the story of cannabis from the criminalization that has disproportionately harmed communities of color to the latest medical understanding…

From NOVA PBS Official. Subscribe for free to get all episodes of NOVA Now on Apple Podcasts at https://apple.co/2U5GyYp The cannabis industry has flowered into a billion-dollar industry in the last decade. Now, cannabis is easier than ever to legally access for medical or recreational use in the majority of U.S. states. But does legalization…

From NOVA PBS Official. Official Website: https://to.pbs.org/3AP3DP6 | #TheCannabisQuestion As state-legalized cannabis spreads, NOVA explores its little-known risks and benefits. NOVA investigates the story of cannabis from the criminalization that has disproportionately harmed communities of color to the latest medical understanding of the plant. What risks does cannabis pose to the developing brain? How much…

From NOVA PBS Official. On the night of Sept. 7, 2021, a magnitude 7.0 earthquake rocked southwest Mexico and ricocheted across social media. Online, people posted about strange flashes of light in the sky at the time of the quake. The hashtag #apocalipsis gained traction. What exactly was going on? Explore the theories behind Mexico’s…