At Least a Quarter of All Sun-Like Stars May Have Devoured One of Their Own Planets
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At Least a Quarter of All Sun-Like Stars May Have Devoured One of Their Own Planets
Saturn – or Kronos – may be the one with a horrifying reputation for filial cannibalism in mythology, but when it comes to cosmic giants eating their own children, it turns out Sun-like stars have a lot to answer for.
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How The Immune System ACTUALLY Works
The human immune system is the most complex biological system we know, after the human brain, and yet, most of us never learn how it works. Or what it is. Your immune System consists of hundreds of tiny and two large organs, it has its own transport network spread throughout your body. Every day it makes hundreds of billions of fresh cells.
It is not some sort of abstract entity. Your immune system is YOU. Your biology protecting you from the billions of microorganisms that want to consume you and from your own perverted cells that turn into cancer. It's so manifold that it is impossible to cover in one video, so we’ll make a series looking at different aspects of it.
Today, what happens when your body is invaded and your first lines of defenses are engaged in a fight for life and death?
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The human immune system is the most complex biological system we know, after the human brain, and yet, most of us never learn how it works. Or what it is. Your immune System consists of hundreds of tiny and two large organs, it has its own transport network spread throughout your body. Every day it makes hundreds of billions of fresh cells.
It is not some sort of abstract entity. Your immune system is YOU. Your biology protecting you from the billions of microorganisms that want to consume you and from your own perverted cells that turn into cancer. It's so manifold that it is impossible to cover in one video, so we’ll make a series looking at different aspects of it.
Today, what happens when your body is invaded and your first lines of defenses are engaged in a fight for life and death?
Video | Stream on Youtube
@EverythingScience
Scientists Watch Bacteria Fix Broken DNA in Real Time to See Exactly How It's Done
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Scientists Watch Bacteria Fix Broken DNA in Real Time to See Exactly How It's Done
Fixing breaks in genes with speed and perfection can be a matter of life and death for most organisms. Even the simplest changes in a sequence risk catastrophe, especially if the altered code is responsible for a critical function.
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This Virus Shouldn't Exist (But it Does)
Hidden in the microverse all around you, there is a merciless war being fought by the true rulers of this planet, microorganisms. Amoebae, protists, bacteria, archaea and fungi compete for resources and space. And then there are the strange horrors that are viruses, hunting everyone else. Not even being alive, they are the tiniest, most abundant and deadliest beings on earth, killing trillions every day. Not interested in resources, only in living things to take over. Or so we thought.
It turns out that there are giant viruses that blur the line between life and death – and other viruses hunting them.
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Hidden in the microverse all around you, there is a merciless war being fought by the true rulers of this planet, microorganisms. Amoebae, protists, bacteria, archaea and fungi compete for resources and space. And then there are the strange horrors that are viruses, hunting everyone else. Not even being alive, they are the tiniest, most abundant and deadliest beings on earth, killing trillions every day. Not interested in resources, only in living things to take over. Or so we thought.
It turns out that there are giant viruses that blur the line between life and death – and other viruses hunting them.
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Scientists Figured Out How And When Our Sun Will Die, And It's Going to Be Epic
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Scientists Figured Out How And When Our Sun Will Die, And It's Going to Be Epic
What will our Sun look like after it dies? Scientists have made predictions about what the end will look like for our Solar System, and when that will happen. And humans won't be around to see the final act.
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The Largest Black Hole in the Universe - Size Comparison
The largest things in the universe are black holes. In contrast to things like planets or stars they have no physical size limit, and can literally grow endlessly. Although in reality specific things need to happen to create different kinds of black holes, from really tiny ones to the largest single things in the universe. So how do black holes grow and how large is the largest of them all?
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The largest things in the universe are black holes. In contrast to things like planets or stars they have no physical size limit, and can literally grow endlessly. Although in reality specific things need to happen to create different kinds of black holes, from really tiny ones to the largest single things in the universe. So how do black holes grow and how large is the largest of them all?
Video | Stream on Youtube
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Physicists Have Successfully Advanced a Key Device For Producing Fusion Power
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Physicists Have Successfully Advanced a Key Device For Producing Fusion Power
Physicists working on a type of fusion reactor called a stellarator are getting closer to actually harnessing the power of nuclear fusion.
NASA Testing Electric 'Air Taxi' Prototype Designed to Carry Passengers in The Sky
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NASA Testing Electric 'Air Taxi' Prototype Designed to Carry Passengers in The Sky
NASA is commonly thought of as America's space agency, but its name also emphasizes another research area. The National Aeronautics and Space Administration is also America's civilian aerospace research organization.
New Algorithm Can Identify Pre-Alzheimer's Brain Changes With Over 99% Accuracy
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New Algorithm Can Identify Pre-Alzheimer's Brain Changes With Over 99% Accuracy
One of the most important ways in which artificial intelligence algorithms are proving beneficial is in diagnosing disease much faster than mere human beings can – and a new system for detecting potential indicators of Alzheimer's has reached clo
The James Webb telescope has a real launch date
The telescope is ready. So is the rocket. It's time.
NASA announced in August that the James Webb Space Telescope had passed its final ground-based tests and was being prepared for shipment to its launch site in Kourou, French Guiana. Now, the oft-delayed, $10 billion telescope has an official launch date: December 18, 2021.
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The telescope is ready. So is the rocket. It's time.
NASA announced in August that the James Webb Space Telescope had passed its final ground-based tests and was being prepared for shipment to its launch site in Kourou, French Guiana. Now, the oft-delayed, $10 billion telescope has an official launch date: December 18, 2021.
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Ars Technica
The James Webb telescope has a bona fide launch date
The telescope is ready. So is the rocket. It's time.
Stanford discovery could pave the way to ultrafast, energy-efficient computing
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Stanford discovery could pave the way to ultrafast, energy-efficient computing
Scientists have spent decades searching for faster, more energy-efficient memory technologies for everything from large data centers to mobile sensors and other flexible electronics. Among the most promising ...