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Why Doesn't Dark Matter Form Black Holes?

Dark matter is the most abundant form of mass in our Universe. If you were to add up all the stars, planets, lifeforms, gas, dust, plasma and more — all the known, “normal” matter in our Universe — it would only account for about 15-to-17% of the total gravitation that we see. The remaining mass, …

Dark Matter
Blockchain

Tone Your Abs on a Mat: 5 Moves Better Than Crunches

<b>Modified V-Up</b> <br>Lie faceup on the floor with your legs straight and your arms at your sides <b>(A)</b>. In one movement, quickly lift your torso into an upright position as you pull your knees to your chest <b>(B)</b>. Lower your body back to the starting position. That's one rep.<p><b>Foam Roller Reverse Crunch with</b> …

9 Healthy Changes That Burn More Fat

<b>1. Morning: Start With Coffee</b><br>Good news! When you're looking to boost your metabolism, you don't have to cut out your morning cup of joe. In fact, the caffeine in coffee and green tea naturally stimulates your central nervous system; your daily cup of coffee can boost metabolism by five to eight …

Nutrition

Protein diets, intensive workouts or grapes? The weight loss methods scientists say really work

The figures are staggering. Not only is Britain the 'fat man' of Europe but it’s predicted half of men and a staggering 60 per cent of women will be obese by 2050.<p>Yet, each day delivers a new nugget of weight loss advice – whether it is eating grapes (the flavonoids in them can stave off middle …

The Only 7 Gym Machines Worth Using

Despite the fact that kettlebells and bodyweight workouts might win the gym popularity contest right now, fitness pros agree: Not only are exercise …

Workouts

A compelling strategy to read more, more comprehensively, and in less time

The desire to read more books is a noble, and widespread, aspiration. But who has the time?<p>Peter Bregman does. The author and leadership coach developed a strategy to read 10 times more books than he used to, with each taking a quarter of the time as before.<p>If it sounds dubious, consider this: the …

Books

Physicists Cut Through the Randomest Randomness of Large Quantum Systems

Even quantum dice are loaded.<p>As much as we say that things are "random," seldom do phenomena actually live up to that descriptor. In the classical mechanics of our world—composed of macroscale entities built up from large numbers of particles—everything is determined. Everything has a defined …

Quantum Mechanics

The Cat May Have Been Domesticated Two Separate Times

One time it stuck, one time it didn't really<p>There are more than 500 million domestic cats (<i>Felis catus</i>) worldwide. Their grip on the globe is tangible, too. For anyone who has spent any amount of time wasting away on the internet, they’ll know it’s awash in cat videos and memes. Millennia ago, just …

Anthropology

What Are the Three Ways to Train Your Brain to Be Happy?

You can train your mind to be unhappy and you can train it to be happy.<p>Training your mind to look for errors and problems (as happens in careers like …

Happiness

The Strange (But Effective) Way to Stick to Hard Goals

There’s a saying that you should never trust a skinny chef. By that logic, you should never trust an out of shape behavioral designer.<p>Over the past …

The New England Journal of Medicine

There’s an awful cost to getting a PhD that no one talks about

One night during the third year of my PhD program, I sat on my bed with a packet of tranquilizers and a bottle of vodka. I popped a few pills in my mouth and swigged out of the bottle, feeling them burn down my throat. Moments later, I realized I was making a terrible mistake. I stopped, trembling …

Mental Health

Germany’s About to Switch on a Revolutionary Nuclear Fusion Machine

This thing is a monster.<p>For more than 60 years, scientists have dreamed of a clean, inexhaustible energy source in the form of nuclear fusion. And …

7 Reasons To Try High-Intensity Interval Training

Trying to get fit fast? Here's why you should HIIT it up.<p>Just so you know: While Women's Health editors independently select all products we feature, product links may be from affiliate partners. That means if you buy something, Women's Health gets a portion of the proceeds.<p>If you're already a fan …

Exercise

Physicist Finds COMPUTER CODE In String Theory Equation

James Gates is a renowned theoretical physicist who has devoted himself to the incredibly complex and fascinating mathematics of string theory, …

Interconnected rats' brains create organic computer

Scientists have been experimenting with brain-to-brain interfaces for years. Miguel Nicolelis, a neurobiologist at Duke University Medical Center, in particular, has been making strides with his research on the subject. His team recently created a "Brainet" or a network of interconnected brains …

How successful people beat stress

<i>This post originally appeared at LinkedIn. Follow the author here.</i><p>There are two kinds of people in this world: those who believe they can make things happen and those who believe things happen to <i>them</i>.<p>The first group are convinced that the outcome of their lives and careers is more or less in their …

Self-help

Newly Discovered Microbe ‘Loki’ Could Be Missing Link in Cell Evolution

Biology

Physicists Have Built A Time Machine Simulator

This would create a paradox since you never would have been born if your grandparents never met. You've prevented your later birth, so you shouldn't exist anymore.<p>This is called the "Grandfather Paradox," and it's an infamous one among physicists.<p>Even though Einstein's famous theory of general …

Quantum Mechanics

The Right Way to Load Your Dishwasher, Illustrated

You've been doing it wrong.<p>If you own a dishwasher, we bet you've had marital spats (or even fights with your mother) about the best way to load it. Of course, our very own experts in the Good Housekeeping Institute have shared their own trusty instructions (make sure your spoons don't nest!), but …

Kitchens

A Star Just Got Swallowed By A Warp In Space-Time

Om nom nom<p>A star has slipped out of view thanks to the space-time warp it creates as it orbits.<p>The disappearing star is part of a binary star system called J1906. It's a pulsar, which means it's a rotating neutron star, the result of a massive star collapsing in on itself. Researchers have been …

American Astronomical Society

如何让喵星人适应蓝星人Baby?(养猫奴三代的故事。。。)

作者:@米国兽医Sunny<p>在上一集中说到如何让新喵主子融洽的到新家。还有一点想要提醒大家:在那段特殊适应期的开始阶段,新老主子双方可能会时不时发出敌意的啸声(嘶嘶声),呼气,甚至躬起身子(准备为了老大的位置开撕)。这些都是适应过程中正常的情况。它们也许还会出现厌食甚至躲到家里最远的角落去生闷气(是躲边上哭好吧~嗯,能理解从主子到吊丝赶脚~)。所以小奴们要要给予主子们足够的时间与耐心,让它们自己先撕。如果有可能,最好把大部分的精力与注意力投注到“元老”身上,因为它们更需要小奴们的更多的保护和安慰。当新老成员还没有完全适应互相之前,最好在老成员不在视野内的时候将注意力分享予新移民。不然老成员的心理 …

Books of the year 2014

It is New Year’s Day and I should be looking forward but I’ve been busy – and delayed by the flu – so I’m not yet done looking back. Listed below with potted reviews are the 23 books I read in 2014. This continues a tradition I started last year, when I decided to read less internet and more …

Books

台球原来可以这样打——公式玩转斯诺克

大家周末的时候喜不喜欢去打一打台球呢,如果不经常玩,在电视上也看过斯诺克国际台球比赛吧,那么台球大神视球桌上一个个小球为玩物,每次在杆下打出的球像一颗颗子弹一样准确命中目标,这样的绝技背后有没有物理知识在帮忙呢?<p>我们都知道,打台球的时候要用球杆击打作为"弹药"的白色球,使它撞击彩色的球进入球桌四周的几个球洞里。如果白球、彩球和球洞正好在一条直线上,任务就会轻松许多(当然,对于我这样打台球弱爆了的人,这种情况也往往打不进)。可是在下面这种情况下,彩球和白球不在一条线上,白球还是否有机会把那个红白相间的彩球击入球洞了呢?你有没有什么好办法?<p>答案是完全可以,方法请看片:<p>球手首先将球洞和彩色球连成了一 …

3D compass cells found in the bat brain

Head direction cells in the bat hippocampus encode three-dimensional representations of space<p>Israeli researchers have identified three-dimensional ‘compass’ cells in the bat brain, explaining how the winged mammals can navigate their environments so deftly and perform complex flight manoeuvres …

How to train yourself to speak like a leader

When it comes to leadership, your voice matters. Deeper-voiced male politicians are more appealing to voters, and deeper-voiced male CEOs run larger companies, stay in charge longer, and make more money.<p>UCLA acoustic scientist Rosario Signorello has researched how to fine tune the vocal chords of …

Charisma

The 11 Most Important Cats Of Science

I can haz scienz?<p>[Special thanks to materials scientist Joe Spalenka for letting us use his photoshopped image of Watson And Crick Plus Chloe The Cat.]

Pets

Use This Clever Trick To See Your iPhone's True Signal Strength

Ever find yourself questioning how accurate those little signal strength dots are on your iPhone?<p>Luckily, there's a trick to reveal your iPhone's true signal strength, and it takes less than a minute to enable.<p>First, you'll need to access a hidden app on your phone called Field Test Mode. To do …

OS X

Mystery Man Moving Japan Made More Than 1 Million Trades

It was six minutes after the opening bell on Feb. 4, and dozens of big-name stocks were still untraded in Tokyo. Telecommunications giant SoftBank …

Kristýna Rumlová - Fitness, spinning instructor

Kristýna Rumlová - Fitness, spinning instructor. 892 likes. This is page of my life - fitness life. I´m in love with fitness. I am personal trainer …