The Republic by Plato (Audiobook)

7 Times Richard Dawkins Went Unhinged Genius

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Evolutionary Biologist Richard Dawkins is provocative and intriguing in these seven courageous moments on science, atheism, faith, belief, God and more!

Local Train No.456 from Hat Yai to Nakhon Si Thammarat (Part 1/2)

Local Train No. 456 Yala - Nakhon Si Thammarat

from Hat Yai Junction to Nakhon Si Thammarat

June 11, 2017

The Biggest Questions: What is Truth? Prof. Simon Blackburn & Tony Sobrado

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Simon Blackburn is a Fellow of Trinity College Cambridge. He is widely regarded as one of the world's leading Philosophers, known for his work on Quasi Realism.

Truth is so integral to our understanding of reality, existence and knowledge that it would be impossible to survive without out. It is true that right now you are reading this and it is true that this morning you woke up. However in what sense is this true? Along with ontology, epistemology and general metaphysics Truth is a philosophical concept with stunning and pre-eminent history. Today we rely heavily on the empiricism and verification theories of Truth, known as the Correspondence Theory of Truth (truth must be allocated with regards to the statement and its object- for instance water is composed of H20) yet these are still enmeshed in larger philosophical claims of what constitutes Truth so it is not so much that A is verified by Process X so Process X and A are both true but more that because of the execution of Process A then X is true. Deflationist accounts attempt to situate truth is more concrete examples and move it outside higher abstract conceptions. Pragmatism argues that Truth is what works, Post-modernists and social constructionists' version of Truth argue that truth and the practices that accompany it are constructed and thus objective Truth is not even possible. Therefore one has to ask what is Truth, does it objectively exist and, perhaps more importantly, why does it matter?

Everything you think you know about addiction is wrong | Johann Hari

What really causes addiction — to everything from cocaine to smart-phones? And how can we overcome it? Johann Hari has seen our current methods fail firsthand, as he has watched loved ones struggle to manage their addictions. He started to wonder why we treat addicts the way we do — and if there might be a better way. As he shares in this deeply personal talk, his questions took him around the world, and unearthed some surprising and hopeful ways of thinking about an age-old problem.

TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world's leading thinkers and doers give the talk of their lives in 18 minutes (or less). Look for talks on Technology, Entertainment and Design -- plus science, business, global issues, the arts and much more.
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เมียฝรั่งพาชม ความอบอุ่นของครอบครัวชาวแคนาดา และกีฬาพื้นบ้านของชาวออนตาริโอ รองเท้าม้า Horse Shose

A Tour of the Cell

Paul Andersen takes you on a tour of the cell. He starts by explaining the difference between prokaryotic and eukaryotic cells. He also explains why cells are small but not infinitely small. He also explains how the organelles work together in a similar fashion.

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Alien Worlds Beyond Our Solar System - Full Documentary HD

Alien Worlds Beyond Our Solar System - Full Documentary HD
Alien Earth | Life Beyond Earth
One of eight new planets spied in distant solar systems has usurped the title of most Earth-like alien world, astronomers have said.
All eight were picked out by Nasa's Kepler space telescope, taking its tally of such exoplanets past 1,000.
But only three sit safely within the habitable zone of their host star - and one in particular is rocky, like Earth, as well as only slightly warmer.
The find was revealed at a meeting of the American Astronomical Society.
Red sky
The three potentially habitable planets join Kepler's hall of fame, which now boasts eight fascinating planetary prospects.
And researchers say the most Earth-like of the new arrivals, known as Kepler 438b, is probably even more similar to our home than Kepler 186f - which previously looked to be our most likely twin.
At 12% larger than Earth, the new claimant is bigger than 186f but it is closer to our temperature, probably receiving just 40% more heat from its sun than we do from ours.
So if we could stand on the surface of 438b it may well be warmer than here, according to Dr Doug Caldwell from the Seti (Search for Extra-Terrestrial Intelligence) Institute in California.
And it's around a cooler [red dwarf] star... so your sky would look redder than ours does to us, Dr Caldwell said.
That first-person encounter, however, is unlikely - both because the planet is 475 light-years away and because we still have essentially no idea what it's made of.
Images from the Kepler telescope, which trails behind the Earth and peers far into the distance as we orbit our own sun, are used to identify far-off planets by observing transits.
This refers to the dimming of a star's light when a planet passes in front of it. A large team of researchers then uses additional data from Earth-bound telescopes to further explore these unfamiliar solar systems.
They try to calculate how big the planets are, and how closely they orbit their host stars.
Not everything that causes such a dimming eventually turns out to be a planet, however.
At the same time as the eight confirmed new exoplanets were announced by a 26-strong team spanning Nasa and multiple US institutions, the Kepler mission's own scientists released another tranche of more than 500 candidate planets.
With further observation, some of these candidates may turn out not to be planets, said Kepler science officer, Fergal Mullally.
Or as we understand their properties better, they may move around in, or even outside, the habitable zone.
'Star Trek' scenario
Even once scientists have anointed a candidate as a confirmed exoplanet, the question of whether or not it is Earth-like is a fraught one, with fuzzy boundaries.
The size of the habitable, or Goldilocks zone, where a planet is far enough from its sun to hold water but not so distant that it freezes, depends on how confident scientists want to be with their guess-work.
According to Dr Cardwell, just three of the eight new exoplanets can be confidently placed in that zone - and only two of those are probably rocky like the Earth.
More detailed description is very difficult.
From the Kepler measurements and the other measurements we made, we don't know if these planets have oceans with fish and continents with trees, Dr Caldwell told BBC News.
All we know is their size and the energy they're receiving from their star.
So we can say: Well, they're of a size that they're likely to be rocky, and the energy they're getting is comparable to what the Earth is getting.
As we fill in these gaps in our solar system that we don't have, we learn more about what it means to be Earth-like, in some sense.
Speaking at a related event at the conference, Prof Debra Fischer from Yale University said she remembered a time before the first exoplanet was discovered, more than two decades ago.
I remember astronomers before that point being very worried, she said.
We really had to step back and say: Maybe the Star Trek picture is wrong. That filled me with despair.
Prof Fischer said that sensitive telescopes like Kepler had ushered in an era of amazing and impressive work.
We're talking about a planet - and we can only see its star with a powerful telescope.
And we can draw graphs and sketch its composition and have serious scientific discussions. This is incredible.
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From Broke to Millionaire | Gary Keesee on Sid Roth's It's Supernatural!

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Tardigrades: Adorable Extremophiles

Hank explains why NASA and the European Space Agency are in love with tardigrades and how these extremophiles are helping us study the panspermia hypothesis.

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15 Things You Didn't Know About Earth

From lakes that actually explode to a twin planet that crashed into Earth once upon a time, we count 15 facts about the little blue planet we like to call home
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How and Why the Great Wall of China Was Really Built

The Great Wall of China was built 2,200 years ago out of military necessity: to combat the Mongolian ancestors of Genghis Khan. Its construction was a marvel of military engineering.

From: SECRETS: Great Wall of China


Hi everyone! You all have probably heard of Sherlock Holmes, the fictional character created by Arthur Conan Doyle. He is a brilliant private detective and there is no crime that he cannot solve. But what about you? Have you ever dreamed of becoming a detective? Of solving sinister crimes, based on barely noticeable leads? Of untangling a web of events, unrelated at first sight? Well, today we'll offer you the opportunity to get your brains out of neutral. Here are 5 criminal puzzles that will blow your mind. top 5 most smart list facts



As you know, people are very interested in magic and other seemingly inexplicable phenomena. Since ancient times, magicians have been playing with logic and tricking people to believe in the impossible. And, as you might know, magicians don't like when their tricks are somehow explained. Nevertheless, we are very interested in revealing the best kept magical secrets and understand how magicians do their tricks. Are you also interested? You probably are! So today we have for you 7 tricks and their explanations… it seems is not too hard to be a magician after all

Lec 1 | MIT 18.06 Linear Algebra, Spring 2005

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Amazing Woodworking: How To Building A Bed

Amazing Woodworking: How To Building A Bed
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12 Newly Discovered Ancient Cities

From the amazing The Lost City of Heracleion, to the ancient The Lowland Hundred, here are 12 Newly Discovered Ancient Cities.

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5 - The Lost City of Heracleion
In 2000, French underwater archaeologist, Franck Goddio, was searching for 18-century warships in Abu Qir Bay, near the canopic mouth of the Nile river, approximately ten meters beneath the waves, when a giant stone face emerged. The face belonged to a massive stone statue of Thonis-Heracleion, completely submerged, around six and a half kilometres off the Egyptian city of Alexandria's coastline. Franck also discovered 64 ships, 700 anchors, gold coins, more statues, some which towered 16 feet high, ruins of temples and several sarcophagi. The ancient city appeared to contain networks of canals, small sanctuaries and many forgotten dwellings. Archaeologists believe Heracleion City may have beginnings dating to 12th century BC, but vanished beneath the Mediterranean Sea sometime around the 3rd of 2nd century AD, though no one knows why.

4 - Urkesh
The city Urkesh flourished between 4,000 and 1,300 BC, the kingdom controlled trade routes between Syria and Mesopotamia, as well as the highlands copper mines. The rich and powerful city was home to the Hurrian civilisation. In mythological texts, this metropolis was called, Home to the Primordial God. Other than that, historians know practically nothing about this ancient Arab civilisation. In the 1980s, Tell Mozan was discovered, a towering mound which hid an ancient palace, temple and open plaza. A decade later, further excavations uncovered a royal palace with Hurrian written scriptures, as well as a flight of descending stairs and an underground shaft believed to be the Urkesh Passage to the Netherworld. Leading researchers to conclude that Tell Mozan, was actually, the lost, buried city of Urkesh.

3 - The Akkadian Empire
About 28 miles from Dohuk Iraq, researchers have discovered evidence of a Bronze-Age City, which dates back to around 3,000 BC. This ancient city is believed to have thrived for over a millennium, the walls date back to approximately 2,700 BC. Pieces of tablets, which are said to be from around 1,300 BC, were also discovered on site, the tablet fragments have led to implications that this place once housed a temple to the Mesopotamian weather God Adad. Roads and ruins of a palatial building left over from the Bronze Age, roughly 1,800 BC have also been unearthed here. All of this evidence, as well as a statue of a God-king, named Naram-Sin, point to this ancient city having once belonged to the Akkadian Empire which dates to the years 2340 to 2200 BC.

2 - Helike
The legend goes, that a confederation of 12 cities once flourished in ancient Greece, the Achaean League, its leader, the city Helike. One night in 373 BC, the metropolis was obliterated, some believe a massive earthquake followed by a tsunami from the Gulf of Corinth wiped the cities from the face of the Earth. The rescue party found no survivors, over time, the location was lost entirely. In the early 19th century speculations of this ancient Greek city began. Researchers speculated that the base could be buried near Achaea, by the Peloponnesian peninsula. In 2001, excavations for the ancient theorised city gathered steam as ruins of columns began to take shape beneath the layers of Earth. Finally, in 2012, the destruction layer and many ancient artefacts were uncovered, which has led many to believe, that this site, is indeed, the remains of the ancient city of Helike.

1 - The Lowland Hundred
This kingdom of legend from ancient Wales is believed to have stood from the sixth century through the 17th century, before vanishing without a trace. The stories say, that the land was submerged under water when Mererid, a priestess of a fairy-well grew angry at the ruler, and caused the water from the well to overflow, sinking the kingdom into memory. A few decades ago, the emergence of prehistoric forests during some stormy weather in Cardigan Bay West Wales, led to the possibility that this kingdom was more than legend. Further investigations revealed a wattle walkway with associated posts, fossilised human and animal footprints, as well as some ancient tools. Researchers continue to search for the remainder of this primordial Welsh World, the remnants are believed to be buried under the Cardigan Bay waters, between Ramsey Island and Bardsey Island.


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