The ageing process leads to the increased likelihood of contracting diseases like cancer or dementia. What can we do to reduce the chances?
In this episode of the AXA Research Files, science presenter Greg Foot travels to Cologne to find out if it's possible to reduce the likelihood of being more prone to disease as we age.
Greg meets AXA-supported researcher Francesca Baggio at the Max Planck Institute for Biology of Ageing to find out more. Francesca introduces us to mitochondria and explains how the mistakes that occur during the replication of these cells leads to ageing.
Greg also chats to another AXA-supported researcher, Miia Kivipelto at the Karolinska Institutet in Sweden, to look into how we can live healthier lives as we age (through exercise, better diet, etc.) and slow down mental decline in the elderly.
We talked to Francesca Baggio in more detail about her research. You can find that video here: https://youtu.be/PCySN01CGPw
Brain and metabolic health are key to slowing down the onset of age-related diseases. For more tips on how to develop brain plasticity to live healthier for longer, click here: https://youtu.be/pkdvc23ANd0
About the AXA Research Fund:
Your well-being and future rely on the power of scientific research. The AXA Research Fund is dedicated to promoting discoveries that help us understand and deal with environmental, life, technological and socio-economic risks.
The AXA Research Files video series brings this science to life.
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Watch other films in the second series of the AXA Research Files:
Episode 1: STRESS - How smiling can be good for your health - https://youtu.be/ZWmb9jf7PWU
Episode 2: DIABETES - How cycling and big data can help beat diabetes - https://youtu.be/06aRpYUFghs
Episode 3: DECISION MAKING - How we can train our brains to become safer drivers - https://youtu.be/q6M8-Hl7Grc
Episode 4: MOTHERHOOD - How environmental exposures can affect a baby’s development - https://youtu.be/J_vP9CmEEOE
Episode 5: AGEING - How can leading a healthy life keep you young - https://youtu.be/_GfzM_hnJFY
Episode 6: EARTHQUAKES - Could your phone be causing earthquakes? - https://youtu.be/yUYGnXOVdAc
AXA Research Files - Series Two Playlist:
Links to the researcher: Miia Kivipelto
Links to the researcher: Francesca Baggio
AXA Research Files - Series One Playlist:
To catch up on the first series of the AXA Research Files, click here: https://www.youtube.com/playlist?list=PLbLfQYSzQ-h0sElA-mzQPPTCk0NkeXDf9
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This site provides links to random videos hosted at YouTube, with the emphasis on random.
The original idea for this site actually stemmed from another idea to provide a way of benchmarking the popularity of a video against the general population of YouTube videos. There are probably sites that do this by now, but there wasn’t when we started out. Anyway, in order to figure out how popular any one video is, you need a pretty large sample of videos to rank it against. The challenge is that the sample needs to be very random in order to properly rank a video and YouTube doesn’t appear to provide a way to obtain large numbers of random video IDs.
Even if you search on YouTube for a random string, the set of results that will be returned will still be based on popularity, so if you’re using this approach to build up your sample, you’re already in trouble. It turns out there is a multitude of ways in which the YouTube search function makes it very difficult to retrieve truly random results.
So how can we provide truly random links to YouTube videos? It turns out that the YouTube programming interface (API) provides additional functions that allow the discovery of videos which, with the right approach, are much more random. Using a number of tricks, combined some subtle manipulation of the space-time fabric, we have managed to create a process that yields something very close to 100% random links to YouTube videos.
YouTube is an American video-sharing website headquartered in San Bruno, California. YouTube allows users to upload, view, rate, share, add to playlists, report, comment on videos, and subscribe to other users. It offers a wide variety of user-generated and corporate media videos. Available content includes video clips, TV show clips, music videos, short and documentary films, audio recordings, movie trailers, live streams, and other content such as video blogging, short original videos, and educational videos. Most content on YouTube is uploaded by individuals, but media corporations including CBS, the BBC, Vevo, and Hulu offer some of their material via YouTube as part of the YouTube partnership program. Unregistered users can only watch videos on the site, while registered users are permitted to upload an unlimited number of videos and add comments to videos. Videos deemed potentially inappropriate are available only to registered users affirming themselves to be at least 18 years old.
YouTube and selected creators earn advertising revenue from Google AdSense, a program which targets ads according to site content and audience. The vast majority of its videos are free to view, but there are exceptions, including subscription-based premium channels, film rentals, as well as YouTube Music and YouTube Premium, subscription services respectively offering premium and ad-free music streaming, and ad-free access to all content, including exclusive content commissioned from notable personalities. As of February 2017, there were more than 400 hours of content uploaded to YouTube each minute, and one billion hours of content being watched on YouTube every day. As of August 2018, the website is ranked as the second-most popular site in the world, according to Alexa Internet, just behind Google. As of May 2019, more than 500 hours of video content are uploaded to YouTube every minute.
YouTube has faced criticism over aspects of its operations, including its handling of copyrighted content contained within uploaded videos, its recommendation algorithms perpetuating videos that promote conspiracy theories and falsehoods, hosting videos ostensibly targeting children but containing violent and/or sexually suggestive content involving popular characters, videos of minors attracting pedophilic activities in their comment sections, and fluctuating policies on the types of content that is eligible to be monetized with advertising.