Hours de Sajib

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Evolution and Sex

Evolutionary Theories on Gender<br>and Sexual Reproduction<p>© 2003 Brad Harrub, Ph.D. and Bert Thompson, Ph.D.<br>All Rights Reserved. <br>Reproduced by Permission …

Collective False Memories: What's Behind the 'Mandela Effect'?

Would you trust a memory that felt as real as all your other memories, and if other people confirmed that they remembered it too? What if the memory …

The Brain

Your Breath is Your Brain’s Remote Control

We have all heard this simple saying during times of trouble: “Take a deep breath in.” Science being science, however, indicates that we may now have …

Remote Controls

Earth - The strange link between the human mind and quantum physics

"I cannot define the real problem, therefore I suspect there's no real problem, but I'm not sure there's no real problem."<p>The American physicist Richard Feynman said this about the notorious puzzles and paradoxes of quantum mechanics, the theory physicists use to describe the tiniest objects in the …

Quantum Physics

Staring Into Someone's Eyes For 10 Minutes Induces an Altered State of Consciousness

Volunteers even ended up hallucinating.<p>In 2015, a psychologist in Italy figured out how to induce a drug-free altered state of consciousness by …

Neurology

How humans are driving the sixth mass extinction

Photograph: Conservation International/PA<p>Some scientists argue that amphibians are already experiencing a mass extinction. The golden toad has not been seen since 1989 and is believed extinct, possibly due to a combination of habitat loss and the chytrid fungus which has wiped out amphibians around …

Scientists discover the on-off switch for human consciousness deep within the brain - ExtremeTech

By on July 7, 2014 at 7:56 am<p>This site may earn affiliate commissions from the links on this page. Terms of use.<p>Researchers at George Washington …

It's Not All Genes: Getting Evolution Right When Explaining Human Behavior

One thing I've always loved about anthropology is its commitment to understanding humans by bringing to bear two divergent perspectives: evolutionary science, aimed at understanding the contribution of biology to our behavior, and field ethnography, a process whereby the anthropologist works to …

7 Habits That May Actually Change The Brain, According To Science

The brain is by far our most precious organ–others are good, too, but they all pale in comparison to the mighty brain. Because the brain works so hard around the clock (even while we’re sleeping), it uses an extraordinary amount of energy, and requires a certain amount of nutritional support to …

Wellness

How Animals Think

A new look at what humans can learn from nonhuman minds<p>For 2,000 years, there was an intuitive, elegant, compelling picture of how the world worked. It was called “the ladder of nature.” In the canonical version, God was at the top, followed by angels, who were followed by humans. Then came the …

Seafloor

“There is just no such thing as God”: A physicist searches for meaning in the natural world

Why are we here? What is our purpose? Only science holds the answers, argues “The Big Picture” author Sean Carroll<p>Clara Moskowitz<p>May 12, 2016 9:45am (UTC)<p>This article was originally published by Scientific American.<p>It is time to face reality, California Institute of Technology theoretical physicist …

3tags.org is coming soon

The Ancient Origins of Consciousness by Todd Feinberg and Jon Mallatt review – how the brain created experience

What does it mean to say that I am conscious? For sure, consciousness is a protean term, with multiple meanings. Among its features are some or all of the following: trivially, that I am awake and not asleep or “unconscious”; more positively that I am aware of my surroundings, experiencing and …

Life Does Flash Before Your Eyes When Having Near Death Experience, Research Suggests

'It was like being there for centuries.'<p>Fictional characters will often describe seeing their lives “flash before their eyes” when close to death, …

The Secret Life of Trees: The Astonishing Science of What Trees Feel and How They Communicate

“A tree can be only as strong as the forest that surrounds it.”<p>Trees dominate the world’s the oldest living organisms. Since the dawn of our species, they have been our silent companions, permeating our most enduring tales and never ceasing to inspire fantastical cosmogonies. Hermann Hesse called …

The case for black holes being nothing but holograms just got even stronger

We can't see them because not even light can escape their gravitational pull, we have no idea what they're made of, and where does everything inside go once a black hole dies?<p>Physicists can't even agree on whether black holes are massive, three-dimensional behemoths, or just two-dimensional …

Physics

Evolution: Why are most of us right-handed?

Right-handed people are dominant worldwide – but why? Jason G Goldman investigates.<p>We humans don’t typically agree on all that much, but there is at least one thing that an impressive amount of us accept: which hand is easiest to control. If you use one hand for writing, you probably use the same …

Evolution

Your brain does not process information and it is not a computer – Robert Epstein

No matter how hard they try, brain scientists and cognitive psychologists will never find a copy of Beethoven’s 5th Symphony in the brain – or copies …

Singularity

Does the Brain Filter out a Wider Awareness?

The human brain has amazing capacities. It contains billions of neurons, allowing it to process vast quantities of information so that we can function effectively. But can we have too much information? Yes, and, in fact, filtering information is one of the brain's most important functions. Brain …

Consciousness

Physicists Have Calculated That We're *Probably* Not The Only Advanced Civilisation Ever in The Universe

It's "astonishingly likely" humanity is not unique.<p>Trying to find an answer to the question of whether humanity is all alone in the cosmos is what …

Our DNA is 99.9% the same as the person next to us — and we're surprisingly similar to a lot of other living things

Our bodies have 3 billion genetic building blocks, or base pairs, that make us who we are.<p>And of those 3 billion base pairs, only a tiny amount are unique to us, making us about 99.9% genetically similar to the next human.<p>A recent TED talk by physicist and entrepreneur Riccardo Sabatini …

Genetics

Our brain suppresses perception related to heartbeat, for our own good: Not being aware of the pulse of our heart might prevent anxiety, scientists found

Not being aware of the pulse of our heart might prevent anxiety, scientists found<p>Researchers have discovered that the human brain suppresses the …

Free will could all be an illusion, scientists suggest after study shows choice may just be brain tricking itself

Free will might be an illusion created by our brains, scientists might have proved.<p>Humans are convinced that they make conscious choices as they live …

This is your brain on LSD, literally

<b>(CNN) —</b> Scientists have for the first time visualized the effects of LSD on the human brain.<p>Using brain scanning and other techniques, researchers at Imperial College London were able to show what happens when someone takes the popular (and illegal) psychedelic, scientific-name Lysergic acid …

The tree of life: with Darwin from Genesis to genomics | Petter Hellström

A new “tree of life” has prompted a re-evaluation of our place in evolution. But why are these diagrams named after the tree in the biblical Garden of Eden?<p>Last week a team of scientists published a new “tree of life” in the journal Nature Microbiology. The evolutionary diagram, representing the …

Science: This Psychological Trick Can Actually Make You Happier

This will work for every human. It doesn't matter what culture you're from.<p><i>What are some brain hacks that a neuroscientist or a psychologist knows that most people don't? originally appeared on Quora -</i> <i>the knowledge sharing network where compelling questions are answered by people with unique</i> …

Human DNA found in a Neandertal woman

Humans and Neandertals may have hooked up much earlier than previously thought.<p>Early ancestors of humans in Africa interbred with Neandertals about …

This Analysis Will Help You Understand Consciousness

“Consciousness” refers to several related phenomena, which is why people have such a difficult time agreeing on what it is.<p>Consciousness is our</b> …

Why You’re Still Smarter Than a Computer

Computers today are smart. Recently, they’ve mastered the art of one of the most difficult board games. They’ve proven themselves capable of reading …

Ask Ethan: Do Gravitational Waves Exhibit Wave-Particle Duality?

Now that LIGO has detected their first gravitational wave signal, the part of Einstein’s theory that predicts that the fabric of space itself should have ripples and waves in it has been confirmed. This brings up all sorts of interesting questions, including this one from reader (and Patreon …