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

Monkeys Can Make Stone Tools Too

Stone flakes made by capuchin monkeys look remarkably similar to stone tools made by early humans 2-3 million years ago, raising questions about the archaeological record.

  • Monkeys Can Make Stone Tools Too

    Stone flakes made by capuchin monkeys look remarkably similar to stone tools made by early humans 2-3 million years ago, raising questions about the archaeological record.

  • CRISPR-Cas9 ("Mr. Sandman" Parody)

    Pat Ballard wrote “Mr. Sandman," which was subsequently recorded by a group known as the The Chordettes. It topped the charts for seven weeks in 1954 and turned out to be their first hit.

  • Where To Put the Next Billion People

    The world's population is set to increase by one billion by 2030. Where on Earth are they all going to live?

  • Optical Defibrillation

    Light tames lethal heart disorders in mice and virtual humans. In lab tests, researchers halt arrhythmias with gentle beams, not harsh electric shocks.

  • Climate Drivers of Early Human Migration

    A new study in Nature by Axel Timmermann and Tobias Friedrich combines models of climate variations with human migration models to find new estimates for the timing of migration waves of early Homo sapiens out of Africa.

  • Elephant Tranquilizer Might Be Exacerbating Heroin Epidemic

    Carfentanil is designed to knock out animals like elephants and moose, but drug dealers are lacing heroin with it. 

  • Genetically Modified Humans? CRISPR/Cas 9 Explained

    Fans of Blade Runner have already caught a glimpse of world with super-powered humans secretly living among us, capable of physical feats.

  • If You Edit Genes Using CRISPR, Can You Undo the Effects?

    CRISPR can be used to alter the genes of not only one organism, but an entire species, through a method of inheritance known as a gene drive. But what happens if something goes awry?

  • Zebra Finch Parents Tell Eggs: “It's Hot Outside”

    By calling to their eggs, zebra finch parents may be helping their young prepare for a hotter world brought on by climate change.

  • The Science of Steroids: Keeping The Olympics Fair

    Recent news of Olympic doping scandals have led to strict penalties and a closer look at steroid testing. Chemistry plays a huge role on both sides of the performance-enhancing drug battle. On one side are officials and scientists, aiming to keep the competitions fair; on the other are underground or overseas chemists, creating new drugs to cheat the system. This week, Reactions goes into the science of steroids -- what they are, what they do and how scientists test for them.

  • The Protein Folding Revolution

    Big leaps in our understanding of protein folding can open doors to new protein-based medicines and materials—designed from the ground up.

  • Talking Backwards

    Scientific studies have linked the ability to speak backwards with working memory through genetic mutation.

  • 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.