Gonçalo valverde

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Cosmic Cannibalism Reveals How Galaxies Grow

Changing Planet<p>The Umbrella galaxy takes its name from a mysterious feature (seen at left), which has now been found to be debris from a tiny galaxy that was shredded by gravity. Courtesy of R. Jay Gabany<p><b>The largest telescopes in the world have spied a Milky Way lookalike, some 62 million</b> …

Higgs Boson Seems To Prove That The Universe Doesn't Exist

None of us should be here. In fact, the whole world, the stars and the galaxies shouldn’t be here either. According to a new cosmological study, our whole Universe should have blinked out of existence an instant after it was first created.<p>Research from British cosmologists at King’s College London …

Monstrous rocky planet nicknamed 'Godzilla of Earths'

A giant rocky planet roughly twice the size of Earth and with nearly 20 times as much mass has been spotted in orbit around a faraway star. The planet is the first to be classed as a "mega-Earth" – an alien world that dwarfs the other rocky planets known to exist outside the solar …

Science Can Turn Cow Poop Into Clean Water

This article is from the archive of our partner .<p>Scientists at Michigan State University say they have developed a system that turns cow manure into …

Scientists design a collider that turns light into matter

Ever since the 1960s, when the food synthesiser made its appearance in <i>Star Trek</i>, the idea of a machine that could seemingly make something from nothing has been the kind of tech we dream about. But the actual technology may not be as implausible as previously thought.<p>In 1934, Gregory Breit and John …

Physics

Astronomers find odd gas giant exoplanet traveling far from its star

The planet is about 2,000 times the Earth-sun distance from its star, a record among exoplanets. That means it takes about 80,000 Earth years for the …

Jupiter’s Great Red Spot is smaller than ever before seen

Jupiter’s trademark Great Red Spot — a swirling anticyclonic storm feature larger than Earth — has shrunken to the smallest size ever …

Newfound 'Hypervelocity' Star May Hold Clues About Milky Way's Dark Matter

The discovery of a super-fast star streaking away from the Milky Way may give astronomers a new glimpse at some of our home galaxy's most mysterious details, from its enormous central black hole to the invisible "halo" of dark matter at its far outer reaches.<p>The so-called "hypervelocity" star is …

Blog Post Questions Recent Big Bang Discovery

Some scientific debate heats up online.<p>A major recent cosmology finding is being called into question in some online exchanges, Science Now reports.<p>Last month, a team of astrophysicists announced it had found the first direct evidence that the universe expanded enormously less than a second after …

Awesome NASA Animation Shows Neutron Stars Ripping Each Other Apart (VIDEO)

Unless you're very, very unlucky, you're never going to bump up against a black hole. But a new animation from NASA gives a spectacular, close-up look at a black hole forming from the collision of two neutron stars.<p>These aren't bumper cars. NASA says these collisions are among the most violent …

Tonight You Can See Saturn Next to the Moon

On the evening of May 13, as the moon (just one night from full phase) rises in the east-southeast sky, it will be accompanied by a very bright …

Prehistoric Impact Theory 'Doesn't Hold Up,' Scientists Say

One of the most controversial ideas about prehistoric North America — that an impact by an extraterrestrial object 12,800 years ago triggered a cold snap that killed off mammoths and decimated early human populations — is under fresh attack. Independent archaeologists have reanalyzed the dates of …

Watch two neutron stars rip each other apart to form a black hole

This supercomputer simulation from NASA shows one of the most violent events in the universe: Two neutron stars ripping each other apart to form …

NASA's bold plan: Landing people on asteroids

This isn't a real-life recreation of "Armageddon." There's no clear and present threat to Earth.<p>But NASA says it's working on plans to send astronauts into space to land on an asteroid.<p>The NASA mission isn't planned to take place until the 2020s. That isn't stopping astronauts from simulating an …

Being a bully may be good for your health, study finds

Children who bully others have lower levels of inflammation later in life<p>Childhood bullying has been linked to a number of physical and mental health effects, including lower self-worth, depression, and serious illnesses later in life. But until now, researchers had largely focused on examining …

Rare byproduct of marine bacteria kills cancer cells by snipping their DNA

(Phys.org) —Yale University researchers have determined how a scarce molecule produced by marine bacteria can kill cancer cells, paving the way for …

World of Science in Pictures

A critique of a recent dark matter 'hint' provides a CoGeNT argument for open data<p>Dark matter is an enduring and exciting puzzle in physics. Multiple astrophysical observations give really strong evidence that most of the matter out there in the universe is invisible – or, more precisely, only …

To sleep, perchance to control your dreams | Reuters

NEW YORK (Reuters) - Nighttime dreams in which you show up at work naked, encounter an ax-wielding psychopath or experience other tribulations may become a thing of the past thanks to a discovery reported on Sunday.<p>A man attempts to sleep on his suitcase at John F. Kennedy International Airport in …

How Humans And Squid Evolved To Have The Same Eyes

I see how you see.<p>Eyes and wings are among the most stunning innovations evolution has created. Remarkably, these features have evolved multiple times in different lineages of animals. For instance, the avian ancestors of birds and the mammalian ancestors of bats both evolved wings independently, …

Starwatch: Stand by for the Camelopardalids

A previously unobserved meteor shower may stream from the northern sky on the morning of 24 May to produce perhaps the year's best display. Observers in N America may enjoy an excellent view but, sadly, its climax is predicted to occur after daybreak for Britain.<p>Most meteor showers recur annually …

Biased biology: the case of the missing vaginas

Genitalia are a hot topic. Interest in their diversity and rapid evolution have seen research in the field balloon in the past decade. Stories on …

How to get a giant panda pregnant

Experts have flown in from all over the world. Samples have been taken. And now the waiting begins… Will Tian Tian, Edinbugh Zoo’s giant panda, deliver?<p>The first conversation I have in Edinburgh is about pandas. “You know the stat?” asks the cab driver as we pull out of Waverley Station. “There are …

Things You Cannot Unsee (and What They Say About Your Brain)

We're going to rewire your brain. Are you ready?<p>I want to show you something simple your mind can do, which illustrates a fascinating emerging theory about how the brain works. First, look at this logo of the World Cup this year.<p>The idea of the emblem is obvious: This is an illustration of a trophy …

Goodbye, TV Channels—And Hello, TV Apps

When I was a kid, my brother graciously taught me what a half-Nelson was. It was a lesson learned from our nightly wrestling matches over the remote control, which was essentially the scepter in our little game of thrones. I suppose that made our old tube TV the Lee family version of Westeros.<p>Part …

VideoFromSpace - YouTube

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Why do we know so little about vaginas?

Scientists have a “strong male bias” towards studying penises instead of vaginas, according to biologists<p>Less then 10 per cent of genital evolution studies are focused purely on vaginas, a new report shows, and that's because scientists are 'biased' against them<p>In apiece <b>published in the Public</b> …

Would you accept a pig’s heart?

If animal organs could be used to save our lives, will it mean we become a bit less human? Frank Swain speculates<p>Imagine that your heart is failing. You desperately need a replacement. Every day, your family waits nervously for a call from the hospital to say they’ve found a donor. Then one day, …