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GEN videos are informative, entertaining, and encompass all aspects of biotechnology.

Chikungunya Virus Contracted in U.S. for First Time

While the mosquito-borne virus has spread throughout Central American and the Caribbean, it's only in southern U.S. states so far.

  • Chikungunya Virus Contracted in U.S. for First Time

    While the mosquito-borne virus has spread throughout Central American and the Caribbean, it's only in southern U.S. states so far.

  • Is Fluoride in Drinking Water Safe?

    Fluoride is found in our tap water, toothpaste, and tea. It's helped fight cavities in children for decades. 70 years after Grand Rapids, Michigan, became the first city to fluoridate its drinking water, the practice remains controversial. Some still worry that fluoridated drinking water can lead to health issues. What is the scientific consensus? 

  • Paving Roads with Pig Manure

    A new replacement for petroleum is coming from an unlikely source, i.e., pig manure. It turns out that pig waste is particularly rich in oils that are very similar to petroleum. And while these oils are too low grade to produce gasoline, they may still work where the rubber meets the road.

  • Sparkler Chemistry

    Sparklers are a classic crowd-pleaser, and this video looks at the chemistry of these July 4th mainstays in super slow-motion.

  • Innate Lymphoid Cells

    Along with the skin, the gut mucosa represents the first line of defense against environmental factors. In the gut mucosa, a recently discovered type of lymphocytes called innate lymphoid cells (ILCs) maintain tissue homeostasis, orchestrate tolerance to food or commensal bacteria and contribute to immune responses to pathogens.

  • Hobbit Histories: The Origins of Homo Floresiensis

    The origins of the species known as “the hobbit,”  a human relative only a little over a meter tall, have been debated ever since its discovery in 2004. Now new fossils may reveal the ancestors of this strange species and help us to understand its history.

  • Why Do Onions Make You Cry?

    Common in cuisine all around the globe, onions are renowned for their ability to make us all look like crybabies. This American Chemical Society video gets to the bottom of this teary phenomenon and reveals exactly what chemical mechanisms trigger it. The video also features a few chemistry-backed tips you can try at home to stop the tears before they start.

  • Is There a Reproducibility Crisis in Science?

    Reproducibility is a hot topic in science at the moment, but is there a crisis? Nature asked 1,576 scientists this question as part of an online survey. Most agree that there is a crisis and over 70% said they'd tried and failed to reproduce another group's experiments.

  • Cancer Close-Up: Single-Cell Approach Provides Detailed Look Inside Tumors

    Members of the Klarman Cell Observatory at the Broad Institute and the Joint Center for Cancer Precision Medicine (CCPM) at the Dana-Farber Cancer Institute, Brigham and Women’s Hospital, and the Broad have embarked on an effort to use single-cell genome analysis to explore the diverse cellular environments of cancer tumors in finer detail than ever before. In this video, researchers involved in a pilot study that looked at melanoma – the most deadly form of skin cancer -- describe their methods, their findings, and their hopes for how their approach might inform patient care in the years to come.

  • Does Homeopathy Work?

    The use of homeopathic remedies have gone on for nearly 200 years, but so has the progress of science. And that progress has shown us that the foundations of homeopathy are bunk.

  • The Brain Dictionary

    Where exactly are the words in your head? Scientists have created an interactive map showing which brain areas respond to hearing different words.

  • DNA: Past to Present

    GEN celebrates DNA Day with a video retelling of the still-unfolding DNA story, from early structural revelations, to innovative technologies, to life-altering applications.

  • Better Coffee through Chemistry

    Science can help you get the perfect cup of coffee. Not all coffee is the same. How you brew it, as well as the water and the beans you use, can determine your perfect cup.

  • 3D Printing an Artificial Kidney

    Vanderbilt University Medical Center researchers have bioprinted an implantable artificial kidney, with microchip filters and living kidney cells that will be powered by a patient’s own heart.

  • Genetic Test Aims to Improve Diabetes Diagnosis

    An inexpensive, fast, genetic test could help doctors more easily distinguish between type 1 and type 2 diabetes when diagnosing patients.

  • Why Are People Allergic to Peanuts?

    Eating a peanut butter and jelly sandwich could be potentially fatal for 1 to 2 percent of the global population. What makes peanut allergies so lethal, and why is the number of peanut-allergy sufferers on the rise?

  • Earlier Neanderthal Presence in Europe

    An analysis of ancient DNA suggests Neanderthals were living in northern Spain around 430,000 years ago. The finding pushes the previous assumptions of Neanderthal presence in Europe by at least 30,000 years.

  • How Bacteria Make a Grappling Hook for Propulsion

    Many bacteria, including important pathogens, move by projecting grappling-hook-like extensions called type IV pili from their cell bodies. After these pili attach to other cells or objects in their environment, the bacteria retract the pili to pull themselves forward.

  • Teeth Reveal the Secrets of Human Evolution in Latest Research

    New research led by scientists at Monash University has shown how by studying teeth of our ancestors can reveal some of the secrets of human evolution.

  • What Bats Might Reveal About Your Brain

    Researchers think a bat's brain might give us clues on how human brains are able to decide on which particular sounds are deserving of their attention.