Google Cloud Speech-to-Text API (Chirp) + Gemini 2.5 Flash Non-Thinking. Treat it as a searchable index of what was broadcast, not a quotation record.
00:00:00environment, you also want to achieve
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00:00:26run on campus, it drives in
00:00:35no endless scrolling, no mindless violence,
00:00:39no porn. In late 2025, Australia
00:00:42introduced the world's first age limit for social media. If you're
00:00:46under 16, the likes of Instagram, YouTube and TikTok
00:00:50are off limits, but more than 80% of teenagers still
00:00:54industry, but as more of use them, thanks also to the platforms making it child's play to circumvent the
00:00:58ban.
00:01:01It's hardly difficult when the age check is just one question: are you
00:01:05over 16? yes or
00:01:07no.
00:01:10However old you are, welcome to DW Science Show.
00:01:14Tomorrow's a
00:01:14day.
00:01:20A few hand gestures and
00:01:23analyzes the data for every lap of moments later you know whether someone is over or under 18.
00:01:27The French startup needmand launched the border. service in December
00:01:312025,
00:01:35it sounds a little crazy, how does it work? it might sound
00:01:39hard to believe, but it's science, not
00:01:41magic. to take the test, users need a
00:01:45camera and must copy several hand movements, an AI
00:01:50Fungi. They come in system then analyzes them. the company says the technology is based on medical
00:01:54research.
00:02:00changes almost daily because it
00:02:02controls our movements, medicine has found a very precise
00:02:05link between a person's age and certain features of their hand
00:02:09movements.
00:02:15Drispan and his team began researching this age
00:02:18estimation method nine years ago. The product was
00:02:22commercialized only
00:02:23recently.
00:02:31It's the most important test of in three sectors, social media, adult websites and dating platforms
00:02:34Automobilion on Fridays on and we're in contact with Google, TikTok and
00:02:36Meta.
00:02:39Needman system is currently calibrated for age
00:02:4218, the startup also plans to adapt the product to the
00:02:46thresholds of 15 and
00:02:4716.
00:02:50What makes the method appealing is that users do not have to disclose
00:02:54personal
00:02:54data.
00:02:58The idea is fundamentally interesting. the idea is interesting because other age
00:03:02checks require you to show your face to camera, that
00:03:05also means your face is stored somewhere, raising privacy
00:03:09concerns, a hand is less revealing, so
00:03:13using this biometric feature instead of the face is an interesting
00:03:16idea, try biometrical features instead of the
00:03:19face, however a system like this cannot
00:03:23provide complete
00:03:24certainty,
00:03:27especially when it comes to social media. That's exactly
00:03:31what it would have to do, be precise.
00:03:34It's difficult to judge from outside.
00:03:55100% certainty in borderline
00:03:57cases.
00:04:07We want to prove to the world that solutions exist for completely
00:04:10anonymous age verification
00:04:14and I deliberately say solutions in the
00:04:17The prototype generates only a plural.
00:04:20Whether border age will succeed remains to be seen, but it speaks to a
00:04:23growing demand for both privacy and child
00:04:26protection.
00:04:30What are Germany's inventors typically working on these
00:04:33days? Transport and engineering are strong,
00:04:37but it's the auto industry that, according to the German patent office is the
00:04:41top driver of
00:04:42innovation.
00:04:45Potholes after winter, they're everywhere. That means more
00:04:49road works and more traffic jams. Overweight
00:04:52trucks are particularly hard on
00:04:54roads.
00:04:57That's why the police carry out spot checks. Often they
00:05:01find that overloaded trucks also have brake defects,
00:05:05but this truck can inspect itself in real-time. Mechanical
00:05:09engineers at Dortmund University of Applied Sciences and their...
00:06:12water jets: the truck's performance is tested again and
00:06:16again.
00:06:21the sensors I showed you earlier record the secondary effects on the
00:06:24suspension. we can then analyze those effects using
00:06:28various modeling methods.
00:06:31the sensors beneath the trailer record everything and the software
00:06:36the test track. and for them it's more than just a
00:06:39job.
00:07:14everything remains in the safe
00:07:16range,
00:07:18previously he had to weigh his truck before and after
00:07:21loading,
00:07:26we no longer have to weigh the truck before and after because the system displays the
00:07:30weight, that saves us 10 to 20 minutes each time, by
00:07:34the end of the day that means at least one extra trip so I can transport another full
00:07:38load
00:07:39person
00:07:42also help truck drivers avoid fines for overweight
00:07:45loads. the system should soon be available to interested
00:07:49buyers.
00:07:51The goal is definitely to put it into practical use and get it
00:07:55onto the road, instead of letting the research disappear into a
00:07:58drawer. We're currently working with partners to industrialize
00:08:02the system by the end of
00:08:032026.
00:08:07The researchers estimate that the system will cost a few hundred
00:08:10euros.
00:08:12At any time, truck drivers could use a phone to view load
00:08:15distribution, tire wear and brake
00:08:18defects. Sensors beneath the trailer would
00:08:22also gather data on road
00:08:23conditions.
00:08:28As we drive along the road, an oscillating movement develops
00:08:32here, that allows us to assess the condition of the road
00:08:35surface.
00:08:38AI would continuously analyze the road condition
00:08:41data. As more trucks adopt the system, road
00:08:45crews would know far more precisely which routes need to be repaired
00:08:49first.
00:08:53Leaving the road for the field, we keep rolling with an
00:08:57AI powered tractor that operates completely on its own without a
00:09:00driver.
00:09:04Here it is, robot tractor programmed to
00:09:07detect and avoid any obstacle all on its own,
00:09:11but will it work?
00:09:13At the Technical University of Kaiserslautern-Landau, the
00:09:17robot tractor is already driving safely from the barn to
00:09:21the field, at least in a computer simulation.
00:09:24Mechanical engineer Ika Gasson helped develop it,
00:09:27now he and his colleagues are ready to test it outdoors.
00:09:31Over the past few months, Costton Banns and his team have
00:09:35packed the machine with AI systems. The goal is to build
00:09:39a tractor robot that can independently monitor, so...
00:10:25That's why we've installed all these red emergency buttons. When I
00:10:28press it, everything shuts down, the emergency
00:10:32brake kicks in and the vehicle stops immediately.
00:10:35The safety system around the vehicle can also be activated
00:10:39via radio and laser
00:10:41scanner.
00:10:43The robot tractor can even decide on its own to hit the emergency
00:10:47brake. During this test
00:10:51a loop, spotting obstacles like trees, lamps.
00:11:25we can see a silver and black sensor, that's another point
00:11:28cloud sensor that provides a full 360 degree view
00:11:32around the tractor of the tractor.
00:11:34To operate without help, the robot
00:11:38tractor has to process several gigabytes of data every
00:11:42second. the team has developed programs to make that
00:11:45possible. the data volume is
00:11:49overwhelming. there's all the point cloud data, the stereo camera
00:11:53data, the GPS data, too much for the robot to handle
00:11:56directly, so we have to extract the essential
00:12:00parts, which is what the tractor uses to drive, in simple terms,
00:12:04it's what it sees and what it thinks is
00:12:06there.
00:12:09initial test run showed the robot tractor is able to
00:12:12steer around obstacles like trees and lamp
00:12:15posts all on its own, until
00:12:18suddenly it isn't, and the team has to slam on the
00:12:22brakes, a pretty close call.
00:12:29The test will be carefully reviewed later to help the
00:12:32tractor become more autonomous. It's a
00:12:35step-by-step process of trial and
00:12:38error.
00:12:41For the next test, computer scientist Jacob will
00:12:45stand directly in the tractor's
00:12:46path.
00:12:49I programmed it, so if anyone has to suffer, it should be
00:12:52me.
00:12:56the day, this time the robot tractor
00:12:59recognizes its programmer and avoids
00:13:02him. for the team, the initial
00:13:05results are good
00:13:06news.
00:13:11as we saw, what works well is that it avoids people,
00:13:14it recognizes important obstacles and buildings, and that's absolutely
00:13:18essential, and so is the emergency stop system,
00:13:22which also has to work, without that, you can't use it at
00:13:26all. real world experiences feed
00:13:30back into simulations, making the tractor more
00:13:32independent. in just a few years, it could be
00:13:36working the fields all on its
00:13:38own.
00:13:42What does it take to become an inventor? First,
00:13:44learning to live with failure. Inventors like Thomas Edison needed
00:13:48incredible patience and persistence, the American
00:13:51declaring that genius is 1% inspiration and 99%
00:13:55perspiration. You also need to question existing
00:13:59conventions.
00:14:04That's what Ignat Zemorvice did when he introduced hand disinfection
00:14:07before and after medical examinations.
00:14:11In 19th century Europe, the many women dying from infections after
00:14:14childbirth had previously been seen as an unavoidable
00:14:17tragedy.
00:14:20But here's something inventors don't necessarily need: above average
00:14:23intelligence. And what does that even mean? Our viewer of
00:14:27Ormina from Peru had a question about
00:14:29that. How is IQ
00:14:33measured? IQ stands for intelligence
00:14:37quotient, but an IQ test doesn't actually measure how smart
00:14:41or educated someone is. The first IQ
00:14:44test was developed in the early 20th century by psychologist Alfred
00:14:48Binne. His goal was simple: he wanted to identify
00:14:51children who might need extra support in school. Today,
00:14:55IQ score mainly reflects how well someone can solve complex
00:14:59problems, recognize patterns and process information
00:15:02quickly.
00:15:04There are many different kinds of IQ tests. A common
00:15:08task involves completing a sequence of words or
00:15:11numbers. Here, the goal is to spot the
00:15:15pattern and think analytically.
00:15:18Another task uses geometric shapes that must be arranged or
00:15:22completed. These tasks measure abstract
00:15:25thinking, the faster and more accurately someone solves them,
00:15:29the more points they earn. The final number at the end is their
00:15:33IQ score.
00:15:36Most people score somewhere around 100, but a score
00:15:40of 130 doesn't automatically make someone a genius and
00:15:4370 doesn't mean someone's unintelligent.
00:15:47the result may point to learning difficulties or simply show
00:15:50that a person is especially strong at solving logic
00:15:53problems. today, IQ tests are used in
00:15:57job applications and in scientific research. they can show how
00:16:01well someone recognizes patterns, navigates
00:16:04spatial problems, or works with logic.
00:16:10but there's a lot they don't measure:
00:16:13creativity, social and emotional
00:16:17intelligence, or hands-on practical
00:16:20skills.
00:16:23That's why IQ tests face ongoing criticism,
00:16:27especially since many of them are based on Western academic
00:16:30norms. And a single number can never
00:16:34capture who a person truly is.
00:16:39What are stars made of? How many
00:16:42colors can butterflies see? Could
00:16:45robots have babies one day? Do you
00:16:48have a science question? Then send it to us as a video, text or voice
00:16:52message. If we answer it in the show, then we'll send you a little
00:16:56gift as a thank you. So, just
00:16:58ask.
00:17:03Scientists sometimes borrow clever ideas from plants
00:17:07and animals and turn them into new inventions. That's exactly what researchers in
00:17:11Switzerland did. The result is a battery made from fungi that
00:17:14produces electricity. And once its job is done,
00:17:18biodegrades almost completely. Mushrooms and
00:17:21electricity. How does that
00:17:23work?
00:17:27a huge variety of species. In
00:17:31almost every shape and color
00:17:34and flourish in some very unlikely places.
00:17:38Some can even generate electricity.
00:17:41Working with researchers at Empa, Switzerland's Material Science
00:17:45Institute, Carolina Rayas developed a fungal fuel
00:17:48cell or fungal battery. Getting two different fungi to work
00:17:52together took years of experimentation.
00:17:55This is breaking down nutrients that we give it on
00:17:58one side, and it generates uh charged
00:18:02particles called electrons, and this
00:18:05is what goes from one side called the anode to the
00:18:08other side uh called the cathode and on the other side we have
00:18:12this different kind of fungus called white
00:18:14rot. the team spent three years developing the
00:18:18fungal fuel cell. it was a delicate balancing
00:18:21act. Fungi are living organisms
00:18:25and need exactly the right conditions: not too
00:18:28warm, not too cold, not too
00:18:31moist and not too dry.
00:18:35One of the biggest challenges was
00:18:37to try and make the electrode material and
00:18:41not kill the fungus in the mechanical process of
00:18:45mixing. The fungal cells are mixed into
00:18:48cellulose-based inks made conductive by carbon
00:18:51particles. A 3D printer then forms the two
00:18:54living electrodes at the heart of the fuel
00:18:56cell.
00:19:00A beeswax casing holds the cell
00:19:02together, add water and nutrients and the
00:19:06dormant fungi spring into action, the
00:19:09cell now begins producing electricity, apart from
00:19:12its removable copper contacts, it's made from biodegradable
00:19:16materials, conventional batteries by
00:19:19contrast need special collection and
00:19:21recycling, but many still end up in household
00:19:24waste,
00:19:28they end up in the trash, contributing to the growing problem of electronic
00:19:32waste, this is where batteries like ours could perhaps play
00:19:36a part,
00:19:40One possible application is environmental
00:19:42monitoring, powering sensors that track
00:19:46temperature, soil moisture or water
00:19:49quality.
00:19:54tiny current, making it suitable only for very low energy
00:19:58sensors.
00:20:05University of applied sciences, also studies
00:20:07materials he says that for now fungal fuel
00:20:11cells can't compete with conventional batteries or rechargeable
00:20:15cells.
00:20:17Fungal batteries are still at the basic research stage, it will take years
00:20:21before they become commercially available. but they could
00:20:24eventually be useful for environmental sensors in places where recovering the
00:20:28devices is difficult, especially if the power source can biodegrade
00:20:31after use, that would be a major market. and it can certainly be served in
00:20:35the future. The
00:20:37idea may hold promise for the future,
00:20:41but for this particular cell, the end has already
00:20:44begun.
00:20:46And as you can see, this one has already...
00:20:50yeah, started to fall
00:20:52apart.
00:20:57the fungal battery gradually biodegrades, leaving behind
00:21:00little more than a tiny lump of
00:21:02compost.
00:21:08Where can new discovery lead? often, even the
00:21:11scientists behind it don't know where the journey will take
00:21:14them. open, independent research with
00:21:17no fixed outcome in mind has sparked
00:21:20innovations,
00:21:23but what happens when a breakthrough isn't just useful in civilian
00:21:26life, but could also be used by the
00:21:28military.
00:21:33a wind tunnel in central Germany. researchers
00:21:37here are putting drones to the test. drones are
00:21:40widely used in farming, conservation and
00:21:44them take to the skies, there's a growing
00:21:46problem.
00:21:49The drone doesn't just fly, it also produces
00:21:52electromagnetic interference, that can
00:21:55affect mobile networks, radio communications and airports and
00:21:59aircraft navigation systems, and of
00:22:02course drones can interfere with each other too,
00:22:06but other drones are not the only factor, wind and movement
00:22:10also change signal patterns. in this wind
00:22:12tunnel, researchers work under controlled conditions. the goal
00:22:16is to make drones safer, but the research could also back fire.
00:23:20under attack from within our own societies and
00:23:22abroad, enemies of our free democratic order are
00:23:26challenging the freedom and independence of science. At home, the
00:23:30threat comes from political extremists. Abroad, we
00:23:33see risks from Russia, China and Iran. Even in the United
00:23:37States, academic freedom is under pressure. The
00:23:40security debate is also reshaping medical research. At Hanover
00:23:44Medical School, doctors use portable profusion systems to transport
00:23:48donor organs.
00:24:06can preserve organs for longer and buy us more time, that's especially important in heart
00:24:10transplantation,
00:24:12emergency almost begins to look like a planned operation,
00:24:16there's less pressure on surgical teams, we're no longer racing.
00:25:50The research itself can make you a target for people seeking knowledge you
00:25:53don't want to share.
00:25:57Research is seeking a new balance between innovation, openness and
00:26:00responsibility. Cooperation must continue in a
00:26:04world that's become much harder to
00:26:06navigate.
00:26:10Now it's your turn to get inventive. Who knows what
00:26:13you'll come up with. We might just make our next story about
00:26:17you. Thanks for watching, don't forget to keep your eyes
00:26:20open and see you next time tomorrow
00:26:23today.
00:27:16AI changes the rules of the game, or has already changed them. In the AI
00:27:20central point, we discover innovations that push boundaries, from smart
00:27:24algorithms to technologies that are shaping our
00:27:28future today. Who leads the race, who lags behind, and
00:27:31what does that mean for eternity? Don't miss the AI
00:27:34central point, the place where the future begins,
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00:27:47faster, better, and more precise.
00:27:50The same rules apply for success in sports as in news.
00:27:54The combination of sports news has always inspired me. From the center
00:27:58of events, I bring you the latest sports news.
00:28:02I am Antonijo Baković, watch me every day in the sports review, only on
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00:28:09Novelties, tests, news, old and
00:28:13new. Every second and fourth Friday of the month, we
00:28:16bring you everything relevant from the automotive industry.
00:28:20We introduce you to new models and technologies, advise
00:28:23on how to buy a car, and discuss problems that
00:28:27affect all participants in traffic. Follow us
00:28:30and stay up to date with everything that the future brings us on four
00:28:34wheels. N1
00:28:37Television.
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