george mayanja

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Earth - There are microbes that eat and poo nothing but electricity

Some microbes have developed the ultimate stripped-down diet. They do not bother with food or oxygen. All they need to survive is pure electrical energy.<p>They often live in muddy seabeds or along the banks of rivers. Finding them is easy: biologists can coax them out of hiding by sticking an …

Biology

Science Says These 3 Things About Having a Beard at Work

To shave, or not to shave? That is the question.<p>Over the past few years, men have been seriously bucking the clean-shaven-for-work rule (thanks, Harry's and Dollar Shave Club). If you're not sure whether it's time for you to follow suit, though, science might help you make a final call.<p><b>1. Age,</b> …

Want to Be Smarter? Science Says Do This

If you've tried eating walnuts or working crossword puzzles to get smarter, think again.<p>We're always looking for little life hacks in hopes of improving the way our brain works. We've tried eating walnuts, solving one too many crossword puzzles, depleting our Sudoku collection, and reading …

How a chemist at Yale found a whole new way to take on cancer

It would spark a revolutionary approach to treating cancers, attract tens of millions in investments, and set rival companies on a scientific race. At the center of it all? A tiny garbage truck.<p>It's called the proteasome, and its job is to chew up and get rid of your cells' obsolete and broken …

Protein

Hungary to Build Razor-Wire Fence on Romania Border to Stop Migrants

Reiterates opposition to resettlement of migrants across EU<p>BUDAPEST—Hungary said on Thursday it will build a razor-wire fence on its border with Romania in preparation for a surge in migration it expects to see in coming months, an attempt to block a major potential route for migrants from the …

Yes, Artificial Intelligence can be Profitable, Says Artificial Intelligence Startup

You can say this for Diffbot: It’s not shying away from a big challenge.<p>The San Francisco startup, which just closed $10 million in Series A …

Gravitational waves find could allow scientists to build a 'time machine' to look at the universe’s past

The detection of gravitational waves could allow scientists to build something like a time machine to look into the earliest and darkest parts of the …

Gravitational waves detected, providing the final piece of the puzzle for general relativity

An international team of scientists today announced what could be the biggest breakthrough in physics in a hundred years. Specifically, they claim to …

Einstein's most incredible prediction may be proven right this week — or a big rumor debunked

Gravitational waves may have been detected for the first time, but we won't know for sure until February 11, 2016 — when scientists will either …

Physics

5 amazing things that happen to your body in space

The former Army Air Corps officer has spent a month in space, after blasting off on a Russian Soyuz rocket to the International Space Station on December 15 last year, but the spacewalk will doubtless be his most gruelling test.<p>But what exactly will he be going through, during his remarkable spell …

Space

A huge black hole is literally tearing the most luminous galaxy apart

The brightest galaxy in the known universe is literally tearing itself apart.<p>The galaxy named W2246-0526 is located about 12.4 billion light-years …

An 11-Year-Old Girl From Britain Just Achieved The Highest Possible IQ Score

Killing it!<p>If you already have a nagging sense of feeling old and dumb, look away now: 11-year-old British schoolgirl, Kashmea Wahi, just achieved …

Stephen Hawking’s New Black Hole Theory Might Reveal The History Of The Universe

The black hole is famously so dense, not even light can escape it. But something can, or at least it can linger at the edges. This is the centerpiece of Stephen Hawking’s new theory about black holes.<p>For a long time, the general theory about black holes explained that they have no particular …

Scientists struggle to stay grounded after possible gravitational wave signal

Cosmologist’s tweet appears to confirm rumours of discovery that could ‘open a new window on the universe’<p>Not for the first time, the world of physics is abuzz with rumours that gravitational waves have been detected by scientists in the US.<p>Lawrence Krauss, a cosmologist at Arizona State …

Gravitational Waves

The most expensive material in the world costs $145 million per gram

Scientists at Oxford University in the UK announced that a spin-off lab called Designer Carbon Materials is now producing endohedral fullerenes, and they recently sold off their first sample of the material to the tune of $US 32,000 for 200 micrograms (1 microgram = one-millionth of a gram), which …

Chemistry

7 Mind-Blowing Facts About The Universe To Put Your Ego In Check

It's time for a little perspective.<p>We are, as the saying goes, but a tiny speck.<p>And from time to time, it's important to put things into perspective. Or, as astrophysicist Neil deGrasse Tyson would tell you, have your mind blown.<p>Just consider for a moment that while Earth has an equatorial diameter …

Amazing

11 mind-melting photos will make you realize how shockingly small Earth is

But we rarely, if ever, stop to think about the vast beyond. And we should!<p>Former astronomer Carl Sagan wrote in his book "Pale Blue Dot: A Vision of the Human Future in Space":<p>There is perhaps no better demonstration of the folly of human conceits than this distant image of our tiny world. To me, …

Astronomy

There’s a good reason Americans are horrible at science

The United States of America has arguably done more to advance science in the modern world than any other country on earth. From the nimble ingenuity of Silicon Valley to the ascendency of US military technology, this nation has impeccable high-tech bona fides. Many of the world’s top engineering …

A map for everyone who didn't realize just how huge the Milky Way galaxy is

KISSIMMEE, Fla. — The Milky Way "formed from the inside out," according to Melissa Ness, a researcher who helped produce the largest growth map of …

Universe

Emperor penguin chicks survive blizzard in Antarctica, in pictures - Telegraph

This is what the entire universe looks like in one image

The universe is so vast it's almost impossible to picture what it might look like crammed into one field of view.<p>But musician Pablo Carlos Budassi …

Astronomers just saw a black hole blow something incredible into space with tremendous force

Until now, astronomers could only theorize.<p>But after an exciting observation recently announced in the journal Science, an international team has witnessed first-hand the violent battle between a sun-like star and supermassive black hole — and its incredible aftermath.<p>What they observed is an …

Black Holes

How Is It Possible That Galaxies Are Moving Away From Us Faster Than the Speed of Light?

According to Albert Einstein, the speed of light is an absolute constant beyond which nothing can move faster. So, how can galaxies be traveling …

How scientists use a giant telescope in Antarctica to study the strangest particle in the universe

There's a telescope in Antarctica that takes science to the extreme.<p>Housed at the IceCube Neutrino Observatory, this telescope sniffs out the strangest particles in the universe, called neutrinos.<p>Neutrinos are some of the lightest subatomic particles in existence. They skip across galaxies, from …

Universe

Relativity v quantum mechanics – the battle for the universe

Physicists have spent decades trying to reconcile two very different theories. But is a winner about to emerge – and transform our understanding of everything from time to gravity?<p>It is the biggest of problems, it is the smallest of problems. At present physicists have two separate rulebooks …

Quantum Mechanics

This bizarre experiment just produced the best evidence yet of the universe's 'spooky' side

Well, almost.<p>The idea is part of quantum mechanics, a theory of physics that describes how the cosmos works on the tiniest of scales. Specifically, scientists are squirming over a bizarre phenomenon of quantum mechanics called "entanglement," where one particle can instantly influence another — …

Quantum Physics

A chemistry teacher's guide to the perfect cup of coffee

Sometimes you just want a caffeine hit to wake you up, but if you appreciate the finer points of a cup of coffee, it’s worth going right down to the chemistry of the water, milk, sugar – and salt<p>As a chemistry teacher, I’m inevitably fascinated by chemistry in general, but especially by the …

Chemistry

General Relativity: 100 Years Old And Still Full Of Surprises

Dark energy, gravitational waves, and black holes may be just the beginning<p>In 1913, Albert Einstein had stalled in his efforts to construct his general theory of relativity. He pleaded with his friend Marcel Grossmann for a mathematical boost: “Grossmann, you’ve got to help me, otherwise I’ll go …

Physics

Angela Merkel's incredible rise from quantum chemist to the world's most powerful woman

In short, when the chips are down, Germany's Chancellor Angela Merkel is the undisputed leader Europeans turn to.<p>In honor of the Bundeskanzlerin birthday, here's the story of Merkel's rise from humble beginnings under an oppressive East German regime to the top spot as Germany's leader.

Angela Merkel

Everything you need to know about the mysterious cosmic phenomenon astrophysicists call a 'white hole'

So what in the universe is a white hole?<p>It's imagination day, and we're going to talk about fantasy creatures. Like unicorns, but even rarer. Like leprechauns, but even more fantastical!<p>Today, we're going to talk about white holes. Before we talk about white holes, let's talk about black holes.<p>And …

Black Holes