Science is playing an increasingly crucial role in efforts to solve crime. Soil analyses provide information about the crime scene. Blood samples track the progression of events. Even insects can be used to calculate the time of death.
The discovery of DNA analysis heralded what has probably been the most important revolution in the history of criminal investigation. At the same time, it marked a key shift in law enforcement’s approach: before long, it became clear that in addition to police and public prosecutors, an additional group of professionals would be needed provide decisive information in endeavors to solve crime. Namely, forensic scientists.
Lorna Dawson specializes in soil investigation. After all, the forest floor is as unique as a fingerprint. Philippe Esperanca can make even invisible blood traces visible. At the Frankfurt Institute of Legal Medicine, entomologist Jens Amendt works with flies and their larvae. Using insects found on a corpse to establish the time of death is a well-established method. But Amendt is taking it to the next level.
Omnipresent pollen can provide information as to who has been near a corpse, where a person went before their death, or at which time of year a person died. Due to the longevity of pollen grains, traces are sometimes conserved for thousands of years. This enables Martina Weber from Vienna to help in the investigation of contemporary crimes, as well as to evaluate the historic events in Pompeii.
#dwdocumentary #documentary
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,1,Against all odds, Payal Sharma wants to be a professional wrestler. But in her village, what she hears is, “Women don’t do that!” Sakshi Malik also grew up in a small village. She pursued her dream of wrestling to become the first woman in India to win an Olympic medal. She brings Payal to her gym to teach her how to fight like a girl – and win.
#documentary #dwdocumentary #wrestling
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DW Documentary gives you knowledge beyond the headlines. Watch top documentaries from German broadcasters and international production companies. Meet intriguing people, travel to distant lands, get a look behind the complexities of daily life and build a deeper understanding of current affairs and global events. Subscribe and explore the world around you with DW Documentary.
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,1,Shifting wind patterns are making extreme weather events more likely. This is because the wind, which distributes areas of high and low pressure along the latitude lines of the Earth, is also being influenced by climate change.
The wind is the motor for our weather. It brings us both sunshine and rain. And during the winter months, it regularly blows itself up into heavy storms. But throughout the globe, climate change is causing shifts in existing wind systems - with devastating consequences. Atlantic hurricanes, which build up over the tropics and often lay waste to swathes of land on the eastern coast of the US, are becoming more intense and bringing heavier rainfall.
Scientists are looking for clues as to the precise causes for the warming in the Arctic, where temperatures are climbing more rapidly than anywhere else in the world. In the northern hemisphere, rising temperatures result in wind systems ‘twisting’ at 10-kilometer altitudes. The Arctic jet stream drives high- and low-pressure areas around the globe. It travels around the planet from west to east at speeds of up to 500 kilometers an hour. But in recent years, meteorologists have noticed more frequent weaker phases in the jet stream - with fatal consequences for Europe. Droughts like the one experienced in 2018 and flood catastrophes like that of 2021 are both likely to recur.
Researchers on the island of Spitsbergen have already made an alarming discovery. Climate change is altering the wind, and the altered wind is accelerating climate change - a dangerous vicious cycle.
#dwdocumentary #documentary #climatechange
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,1,Architecture has long been considered a male domain. But that is changing, as female architects like Zaha Hadid and Eileen Gray receive international recognition for their groundbreaking designs.
What unique hurdles and challenges do female architects have to overcome on their way to the top? How do they get highly coveted commissions in a fiercely competitive industry? And to what extent do their designs and buildings reflect an alternative vision?
The female architects portrayed in this film shed light on topics from leadership and authority to the "cult of genius”, creativity, pressure, competition, gender roles and social responsibility. They talk about their own relationships to power and reflect on an industry in flux.
Regine Leibinger is building Berlin's tallest building, which should be finished by 2024. Helga Blocksdorf is the force behind a structure in Weimar clad in birch bark. Anapuma Kundoo has devoted herself entirely to the revival of traditional Indian craftsmanship, as seen in her "Wall-House”, which she built to scale for the 2012 Venice Architecture Biennale.
Architecture is the only art form designed to be lived in. Though underrepresented, women architects shape this world. These are some of their stories.
#dwdocumentary #documentary
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DW Documentary gives you knowledge beyond the headlines. Watch top documentaries from German broadcasters and international production companies. Meet intriguing people, travel to distant lands, get a look behind the complexities of daily life and build a deeper understanding of current affairs and global events. Subscribe and explore the world around you with DW Documentary.
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,1,Advertising agencies, politicians and social networks rely on emotions as a means of manipulation. They use our feelings to try to influence our decisions.
Can we be manipulated without even noticing it? Can our attention and thoughts be directed from outside? Increasingly, it appears that there are mechanisms for playing on emotions to sway our minds - right at the point of decision-making. In fact, this technique has now become a subgenre of psychology.
Some of these recent findings are also being applied in what’s known as "neuromarketing”. Test customers make their purchases while their brain waves are measured and recorded. The method provides information about buying behavior and suggests possibilities for boosting purchases through advertising and presentation.
Indeed, the technical possibilities for manipulation are constantly growing. Neuroscientific methods present many new possibilities, as well as new dangers. Indeed, even more extreme work is being done when it comes to the marketing of films and commercials. Here, market researchers are working with neurologists to test the effectiveness of a commercial in real time.
Political actors have also begun to influence public opinion in this way. China is a pioneer of these sometimes questionable methods. There, social control has long been part of the state mandate.
#documentary #dwdocumentary #science
______
DW Documentary gives you knowledge beyond the headlines. Watch top documentaries from German broadcasters and international production companies. Meet intriguing people, travel to distant lands, get a look behind the complexities of daily life and build a deeper understanding of current affairs and global events. Subscribe and explore the world around you with DW Documentary.
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,1,Few discoveries have shaped the history of humanity as much as explosives. This science documentary focuses on the destructive and the positive powers of dynamite, TNT and their ilk.
From the mini detonations of airbags that protect motorists from injury, to movies’ special effects to the highly complex demolition of a high-rise: explosives figure in our daily lives much more frequently than we might think.
Modern life would be inconceivable with explosives. Material for new roads or rail systems is quarried using explosives. Airbags inflate in milliseconds and save lives - thanks to tiny explosions. Many cars are now fitted with pedestrian protection systems that function according to the same principle.
In the United States, researchers are using explosives to create new substances and nanoparticles that could revolutionize motor technology. These substances are extremely durable and heat-resistant, as well as being excellent electrical conductors. The nanoparticles facilitate the manufacture of more powerful electronic components, and can thus significantly reduce the time it takes to charge batteries.
These super materials can only be created thanks to the high pressure and temperature created during detonation. Explosives unleash powerful forces in millionths of a second - and this film explores the many diverse ways humans have founf to harness this extraordinary force.
#documentary #dwdocumentary #explosion #science
______
DW Documentary gives you knowledge beyond the headlines. Watch top documentaries from German broadcasters and international production companies. Meet intriguing people, travel to distant lands, get a look behind the complexities of daily life and build a deeper understanding of current affairs and global events. Subscribe and explore the world around you with DW Documentary.
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,1,Science is playing an increasingly crucial role in efforts to solve crime. Soil analyses provide information about the crime scene. Blood samples track the progression of events. Even insects can be used to calculate the time of death.
The discovery of DNA analysis heralded what has probably been the most important revolution in the history of criminal investigation. At the same time, it marked a key shift in law enforcement’s approach: before long, it became clear that in addition to police and public prosecutors, an additional group of professionals would be needed provide decisive information in endeavors to solve crime. Namely, forensic scientists.
Lorna Dawson specializes in soil investigation. After all, the forest floor is as unique as a fingerprint. Philippe Esperanca can make even invisible blood traces visible. At the Frankfurt Institute of Legal Medicine, entomologist Jens Amendt works with flies and their larvae. Using insects found on a corpse to establish the time of death is a well-established method. But Amendt is taking it to the next level.
Omnipresent pollen can provide information as to who has been near a corpse, where a person went before their death, or at which time of year a person died. Due to the longevity of pollen grains, traces are sometimes conserved for thousands of years. This enables Martina Weber from Vienna to help in the investigation of contemporary crimes, as well as to evaluate the historic events in Pompeii.
#dwdocumentary #documentary
______
DW Documentary gives you knowledge beyond the headlines. Watch top documentaries from German broadcasters and international production companies. Meet intriguing people, travel to distant lands, get a look behind the complexities of daily life and build a deeper understanding of current affairs and global events. Subscribe and explore the world around you with DW Documentary.
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,1,Prominent American journalist Grant Wahl has died in Qatar while covering the World Cup, sparking an outpouring of shock and grief across the sports world.
"The entire US Soccer family is heartbroken to learn that we have lost Grant Wahl," US Soccer said in a statement on its official Twitter account.
READ MORE: https://6abc.com/grant-wahl-death-world-cup-qatar/12552582/
