anish jha

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Male brain vs female brain: How do they differ?

Male and female brains differ in structure and function, but we don't know how these differences affect behaviour<p>Chapter 16 of my book, <i>50 Human Brain Ideas You Really Need to Know</i>. Here's the introduction to the book, the chapter about topographic mapping, the chapter about mirror neurons, and my …

This is What Happens When You Run Water Through a 24hz Sine Wave | Colossal

<p>What!? How is this even possible? Because science, my friends. Brusspup’s (previously) latest video explores what happens when a stream of water is …

The beautiful relationship between sine, cosine, and the circle. Source

The beautiful relationship between sine, cosine, and the circle. Source.

How and Why We Age: The Power of Telomeres and Telomerase

Twenty years ago little was known about the aging process. Many ideas existed but nothing was certain. Today we know how and why we age. We cannot control it just yet, but even that may change in the near future.<p>The human body has 100 trillion highly-specialized cells. Each of these cells has sets …

Cardiovascular System

What is an Analemma?

<i>What is an Analemma?</i><p><i>An analemma is the figure “8″ loop that results when one observes the position of the sun at the same time during the day over the course of a year. Due to the earth’s tilt about its axis (23.45°) and its elliptical orbit about the sun, the location of the sun is not constant from day to day when observed at the same time on each day over the course of a full year. Furthermore, this loop will be inclined at different angles depending on one’s geographical latitude.</i>

Lies, Damned Lies, and Medical Science

Much of what medical researchers conclude in their studies is misleading, exaggerated, or flat-out wrong. So why are doctors—to a striking extent—still drawing upon misinformation in their everyday practice? Dr. John Ioannidis has spent his career challenging his peers by exposing their bad science.<p>…

Simulating 1 second of real brain activity takes 40 minutes and 83K processors

Advertisement<p>32 Comments<p>Credit: Shutterstock / StudioSmart<p>A team of Japanese and German researchers have carried out the largest-ever simulation of …

Computer Science

12 Movies and TV Shows That Commit Crimes Against Neuroscience

Neuroscience

NASA: Sun Getting Ready For A 'Field Flip'

Our nearest star is about to pull a once-in-11-years move by swapping its north and south magnetic poles.<p>The sun's polarity switch is a natural part of "solar max" — the period of peak activity during what averages out to be roughly an 11-year cycle. According to NASA, this year will mark the …

Visualizing the Infinite Beauty Of Pi And Other Numbers

Thinking about the hugeness of mathematical numbers like pi can give you a headache, but visualising them can be a thing of beauty.<p>Math and art may appear, superficially, like two disparate fields, but they've been in conversation for millennia. One recent example of the synergistic possibilities …

Mathematics

The Physics Behind Schrödinger's Cat Paradox

Google honors the physicist today with a Doodle. We explain the science behind his famous paradox.<p><b>His feline paradox thought experiment has become a pop culture staple, but it was Erwin Schrödinger's work in quantum mechanics that cemented his status within the world of physics.</b><p>The Nobel …

Quantum Mechanics

Channel Homepage

6 Freaky Things Your Body Does (Explained by Science)

The human body is a strange and mysterious place filled with gross guts and gurgling magic potions. There are all sorts of confusing or nonsensical …

Mount Everest

Sharpest Views of the Cosmos Ever

<b>Astronomers have built a new astro-camera that, when fitted onto the largest observatories on Earth, can snap photos of the universe twice as sharp as the famed Hubble Space Telescope.</b><p>With the newly developed technology, giant telescopes can reach their theoretical limits of resolution in visible …

Telescopes

The smooth motion of rotating circles can be used to build up any repeating curve even one as angular as a digital square wave

The <b>smooth motion of rotating circles</b> can be used to build up <b>any repeating curve</b> even one as angular as a <b>digital square wave</b>. Each circle spins at a multiple of a <b>fundamental frequency</b>, and a method called <b>Fourier analysis</b> shows how to pick the radiuses of the circles to make the picture work. <b>Decomposing signals</b> like this lies at the heart of a lot of <b>signal processing</b>. [more] [code]

Learn The History Of Physics In 4 Minutes

Aristotle was wrong. He claimed that heavier items fell faster than lighter items. Had he actually tested the theory, using a high-tech tool as sophisticated as a ladder, a ledge, or a cliff, he’d have immediately realized that it couldn’t possibly be true. Because Galileo did test the theory, and …

British Humour

7 Classics Every Doctor Should Read

A reminder to think beyond textbooks and journals; to always be a student of the human condition<p>As the odds against future physicians learning everything about the human body have climbed toward absurdity, the need to concentrate on the essentials of medical education has intensified as never …

The 20 big questions in science

From the nature of the universe (that's if there is only one) to the purpose of dreams, there are lots of things we still don't know – but we might do soon. A new book seeks some answers<p>1 What is the universe made of?<p>Astronomers face an embarrassing conundrum: they don't know what 95% of the …

What is Foucault's Pendulum?

Google's latest doodle marks what would have been the 194th birthday of Jean Bernard Léon Foucault, the French physicist who used a simple pendulum to prove that the Earth rotates in space. But how does his elegant experiment work?<p>During Foucalt’s life it was already proven that the Earth rotated, …