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Welcome to InfoCasts, a division of REL-MAR McConnell Media Company, bringing you topics that inform, educate and entertain.

  1. Alex Berezow - We Are Effectively Alone In The Universe

    19/06/2023

    Alex Berezow - We Are Effectively Alone In The Universe

    Alex Berezow - We Are Effectively Alone In The Universe It does not matter if intelligent life exists elsewhere. We will never find each other. Key Takeaways The debate over extraterrestrial life has shifted from fringe to mainstream.The belief that humans eventually will encounter aliens is based on two assumptions: (1) life evolves easily, and (2) interstellar travel is possible and practical.Neither of these assumptions is likely to be true.

    8 min
  2. Adam Frank - Why Oxygen Isn’t Needed To Make Things Burn

    19/06/2023

    Adam Frank - Why Oxygen Isn’t Needed To Make Things Burn

    Adam Frank - Why Oxygen Isn’t Needed To Make Things Burn Oxygen isn't strictly necessary for combustion, but it is ideal. Any advanced (alien) civilization probably uses oxygen to burn things. Key Takeaways Would combustion always be a potential energy source on any planet capable of incubating a technological civilization? That simple question has led to an examination of an essential chemical process.Combustion reactions transfer electrons from a fuel to an oxidizer. But there are a number of elements capable of being the oxidizer. So does our hypothetical planet really need oxygen itself?Oxygen is indeed the perfect element for carrying out combustion, and for a very good reason.

    6 min

  3. 18/06/2023

    Tim Brinkhof - Did Ancient Greek Philosophers Believe In Aliens?

    Tim Brinkhof - Did Ancient Greek Philosophers Believe In Aliens? Speculation about the existence of aliens goes all the way back at least to the Greek philosophers. Their arguments will sound familiar. Key TakeawaysSpeculation about alien life dates back to the ancient Greeks, and perhaps even further.The Scientific Revolution expanded our vision of the Universe and revived our belief in the possibility of extraterrestrial life.Unfortunately, the lack of convincing evidence has ushered in a new age of cosmological pessimism.

    9 min

  4. 18/06/2023

    Dirk Schulze-Makuch - How The “Face On Mars” And Other False Positives Impact The Search For Alien Life

    Dirk Schulze-Makuch - How The “Face On Mars” And Other False Positives Impact The Search For Alien Life We may have discovered alien life already but rejected the evidence too quickly because it seemed false at first glance. Key TakeawaysPerhaps the most famous "evidence" of life on Mars came from a photograph that supposedly depicted a face on the Red Planet. It was subsequently shown to be nothing but a mountain.The Viking Life Detection experiments and Martian meteorite ALH84001 were both thought to prove the existence of life on Mars, but these were also false positives.Once a claim is judged to be a false positive, it’s difficult to change people’s minds, even if new evidence comes along.

    9 min

  5. 18/06/2023

    Ethan Siegel - Why Scientists Can’t Give Up The Hunt For Alien Life

    Ethan Siegel - Why Scientists Can’t Give Up The Hunt For Alien Life There will always be "wolf-criers" whose claims wither under scrutiny. But aliens are certainly out there, if science dares to find them. Key TakeawaysAll throughout human history, we've gazed up at the stars and wondered if we're truly alone in the Universe, or if other life — possibly even intelligent life — is out there for us to find.Although there have been many who claim that aliens exist and that we've already contacted them, those claims have all withered under scrutiny, with their claimants having cried "wolf" with insufficient evidence. Nevertheless, the scientific case remains extremely compelling for suspecting that life, and possibly even intelligent life, is out there somewhere. Here's why we must keep looking.

    17 min

  6. 18/06/2023

    Louis Rosenberg - Mind Of Its Own : Will “General AI” Be Like An Alien Invasion?

    Louis Rosenberg - Mind Of Its Own : Will “General AI” Be Like An Alien Invasion? According to surveys, approximately half of artificial intelligence experts believe that general AI will emerge by 2060. Key TakeawaysAccording to surveys, approximately half of artificial intelligence experts believe that general artificial intelligence will emerge by 2060.General artificial intelligence (also called AGI) describes an artificial intelligence that's able to understand or learn any intellectual task that a human being can perform.Such an intelligence would be unlike anything humans have ever encountered, and it may pose significant dangers.

    12 min

  7. 18/06/2023

    Marcelo Gleiser - Alien Abductions : What Are We To Make Of These Bizarre Stories?

    Alien Abductions : What Are We To Make Of These Bizarre Stories? From succubi to aliens, stories of abductions or other unsettling encounters have been with us for millennia. What explains them? Key Takeaways Accounts of strange and inexplicable encounters with beings — including sexual encounters — go back millennia.Widespread fascination with alien abductions began in the 1950s and continues to this day.The most likely explanations for this phenomenon include self-hypnotic trances, false-memory syndrome, sleep paralysis, or posttraumatic stress.

    9 min

  8. 17/06/2023

    Elizabeth Fernandez - We May Not Be Alone In The Universe. Should We Reach Out?

    We May Not Be Alone In The Universe. Should We Reach Out? A conversation with an advanced alien species is likely to be simple and to take 1,000 years. It might also be dangerous. Key Takeaways We have sent messages into space before, hoping to reach out to any interstellar intelligences. Such a message is challenging to compose.Some argue that maybe it’s better not to send an intentional message at all.In any case, any message we send is likely to be a simple, “We’re here."

    11 min
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Welcome to InfoCasts, a division of REL-MAR McConnell Media Company, bringing you topics that inform, educate and entertain.

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