Standard college admissions tests are:

a. based on an outdated model of intelligence;

b. exclusionary;

c. a lucrative business and a near-monopoly;

d. all of the above.

28-year-old Harvard dropout Rebecca Kantar is disrupting the paradigm of pencil-and-paper tests like the SAT and ACT by designing interactive scenarios that play like video games, and that test for qualities like grit and creativity. But is another test the answer? Given the spotty history of aptitude tests, maybe it’s time to completely reevaluate how colleges evaluate prospective frosh.

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A VR system called Bravemind allows combat veterans with PTSD to confront and process their trauma in a virtual environment. The therapy, developed by psychologist Skip Rizzo, shows promise for PTSD and potential for other issues like phobias and addiction – and it may have applications to help healing more broadly. But does the potential for harm from virtual self-medication outweigh the good it can do in a clinical setting? And given what we know about how VR affects the brain – is it as safe as it seems? 

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What if you could extend your healthy life by 10 or 20 years – with a blood transfusion from someone younger and healthier than you? Research by Stanford professor Tony Wyss-Coray shows potential to treat Alzheimer’s and prevent age-related cognitive decline: He’s discovered that proteins found in the blood of young mice can dramatically reverse the effects of aging when transfused into older mice. Doing the same thing in humans could increase our quality of life as we age, and our life expectancy too. We’re years away from seeing any clinical applications of this research, which gives us time to ask about its implications. Who will have access to this treatment? Who are the donors providing young blood? We could add years to our lives – but is that what we really want?

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Is it the loneliest idea you’ve ever heard? Or an ingenious hack that helps human caregivers be more attentive and empathetic? You might have these questions when you meet the robot caregivers who roam the halls at retirement homes, doing basic tasks for residents and keeping them connected. Is elder care something we want a robot to do? Roboticist Conor McGinn from Trinity College Dublin actually moved into a retirement home in Washington, DC, to gain a deeper understanding of what residents might want from a robot. The answer surprised him, and it prompts deeper questions: As humans, what responsibility do we have toward our elders? When we fail them, should robots close the gap? And is that the future we want for ourselves?

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It’s one of the best weapons we have to contain a pandemic. But can it defeat the disease without spying on people who might carry it? MIT’s Kevin Esvelt has a bold idea: Let’s try a new form of contact tracing that could more than double the program’s impact. Bi-directional tracing looks both forward and backward from a known transmission, building a chart of the “undiscovered branches of the viral family tree,” and identifying potential spreaders other systems can’t see. But how much of our data are we willing to give the government, even if it’s to fight Covid-19? 

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Chances are, you’ve seen a “deepfake” video. But did you know it? A new breed of tech detectives are building tools to spot these hyper-realistic videos – built with AI – where people say things they didn’t say or do things they’d never do. Some of these clips are just good, fanciful fun. But a deepfake deployed at the right moment could sway an election, or wreck a life. That’s why UC Berkeley professor Hany Farid is working on a “deepfake detective" – a tool to help media outlets know what’s real and what isn’t. But the same program could also give deepfakers a blueprint for how to make their work undetectable. Deepfake technology already exists. This episode asks: What should we do now? 

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How is technology impacting our humanity? It’s the question of our times. Join host Caterina Fake for Season 2 of Should This Exist – where each week we take a single technology and ask: What’s its greatest potential? And what could possibly go wrong? 

With fascinating guests telling great stories, we’ll talk about some astounding technologies. Robots who could become our caregivers in old age. Video games that aim to replace the SAT. And virtual reality that could heal our trauma and rewire our brains.

Our boldest new technologies can help us flourish as human beings. Or destroy the very thing that makes us human. You can’t uninvent these technologies. So what are we going to do with them now?

Season 2 of Should This Exist? starts October 14, with 11 all-new episodes. Subscribe now, wherever you listen. And join the Should This Exist newsletter at shouldthisexist.com

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The web is broken. Data is mined, sold, and exploited. Social media is an endless and biased scroll through the worst of humanity. Nobody’s personal information is safe. And worst of all, it’s inescapable. The web is a cornerstone of our lives. It’s how we work, communicate with each other, and get information. And it wasn’t supposed to be like this. How did a utopian vision of a free, open, and democratic internet turn into nothing more than a machine for marketing and surveillance? In the season finale of Should This Exist?, Caterina Fake is joined by early web adopters Steven Berlin Johnson, Anil Dash, and Kevin Delaney to ask: Where did the web go wrong? Could we have prevented it? And what, if anything, can we now do to fix it? It’s a question that affects us all and will determine the future of our lives online… and off.

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Imagine meeting your great-great-great-grandkids. Or going to law school in your 80s, learning to snowboard at 110, taking a gap decade instead of a gap year. Greg Bailey dreams of a world where everybody lives twice as long, and no one gets sick. His startup, Juvenescence, is developing a whole ecosystem of anti-aging medications to help you live longer, healthier. Which sounds great. But would this world of perky centenarians wreak havoc on our already strained resources? Would natural aging become taboo? Would dying? It's a technology that prompts us to ask some of the biggest questions of all.

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Imagine biting into a steak that didn’t come from a cow. Or a chicken breast that did not come from a chicken. Imagine if your favorite meat dish did not involve an animal getting killed. This is Isha Datar’s dream. She is a scientist on a mission to not only reinvent meat but the entire meat industry. If Isha's dream comes true, we'll live in a post-animal bioeconomy where animal products – from meat to leather and wool – are harvested from cell cultures, not animals. And we're able to feed a growing global population sustainably, affordably and safely.

But does meat grown in a lab really take animals out of the picture? And do we want to step further into a landscape of man-made, mass-produced food? Host Caterina Fake discusses the possibilities and pitfalls with Isha Datar, executive director of New Harvest, and Kevin Delaney (Quartz Editor-in-Chief); Ben Turley and Brent Young (owners, The Meat Hook); and Andrew Pelling (biophysicist).

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