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If Saturn was close to earth

The team behind Beauty of Science decided to explore the four seasons in this video combining macro footage of crystal growth, chemical reactions, and fluid dynamics. It’s always a fun game with videos like this to try and guess exactly what makes the mesmerizing patterns we see. Are those blue streaming waves in Spring caused by alcohol shifting the surface tension in a mixture? Are the dots of color welling up in Autumn a lighter fluid bursting up from underneath a denser one? As fun as the visuals are, though, what really made this video stand out for me was its excellent use of “The Blue Danube” to tie everything together. Check it out and don’t forget the audio! (Video credit: Beauty of Science; via Gizmodo)

Nasa announces major press conference on a 'discovery beyond our solar system'

Attending the press conference will be astronomers and planetary scientists from across the world.

Nasa is to host a major press conference on a “discovery beyond our solar system”.

The event will see the revelation of major information about exoplanets, or planets that orbit stars other than our sun, according to a release. It made no further mention of the details of what would be revealed.

Exoplanets are the major hope for life elsewhere in the universe, since many have been found that resemble our own Earth and could have the building blocks of life. More of them are being discovered all the time.

The event will take place on 22 February at 1pm New York time, it said. It will be streamed live on Nasa’s television station and on its website.

Attending the press conference will be astronomers and planetary scientists from across the world.

Nasa said that the public will be able to ask questions using the hashtag #AskNasa during the conference. The agency will also hold a Reddit AMA, or ask me anything, session straight after the briefing.

i made that today for my desktop background and i’m quite proud

Antibiotics

Ancestor of all vertebrates was a big mouth with no anus

A tiny fossil from China could be the earliest of all deuterostomes, creatures that eventually led to evolution of all vertebrates, including humans

The ancestor of all vertebrates, including fish, reptiles and humans was a big mouth but apparently had no anus.

The microscopic creature named Saccorhytus, after the sack-like features created by its elliptical body and large mouth, lived 540 million years ago. It was identified from microfossils found in China.

“To the naked eye, the fossils we studied look like tiny black grains, but under the microscope the level of detail is jaw-dropping,” says team member Simon Conway Morris, of the University of Cambridge, in the UK.

Researchers believe it was about a millimetre in size, lived between grains of sand on the sea bed and had a large mouth relative to the rest of its body.

They also think the creature was covered with a thin, relatively flexible skin, had some sort of muscle system which could have made contractile movements and allowed it to move by wriggling.

Continue Reading.

The First Galaxies: What We Know And What We Still Need To Learn

“As we look farther back in time, we find that younger galaxies formed stars at faster rates than galaxies do today. We can measure the star-formation rate, and find that at earlier and earlier times, it was more intense. But then we find it hits a peak when the Universe is about two billion years old. Go younger than that, and the rate goes down again.”

We’ve come incredibly far in our quest to learn how the Universe came to be the way it is today. We can see out in space for tens of billions of light years, to galaxies as they were when the Universe was only a few percent of its present age. We can see how galaxies evolve, merge and the stars inside change. And we can see to even before that, when no stars or galaxies existed at all. But how did we get from there to here? There are still plenty of gaps in the story. We’ve never seen the first stars or galaxies; we’ve never witnessed the start of cosmic reionization; we’ve never seen the star formation rate jump from zero to a real, finite number. Yet with James Webb and WFIRST on the horizon, these gaps in our knowledge may – if we’re lucky – all disappear.

Come get the story on what we know about the first galaxies, and what we hope and have left to still learn!

A star created 1,800 years ago after the collision of two distant suns is set to appear in the night sky for the first time – as the light from the crash finally reaches the Earth. 

Scientists predict that for six months in 2022, stargazers will be able to witness the birth of the new star, by fixing their telescopes near the Pisces and Cygnus constellations. Dubbed the Boom Star, it has taken nearly two millennia for its light to reach earth — where it will be able to be seen by the naked eye. Astronomers expect the collision to increase the brightness of the pair ten thousand fold, making it one of the brightest stars in the heaven for a time. The explosion, known as a Red Nova, will then dissipate and the star will remain visible in our skies as a single bright, but duller, dot. 

Your not going to want to miss this appear in our sky as it’s a once in a lifetime event!          Source 

Can you lick the science? An abbreviated list.

Genetics: Do not. Unless cheek swabs?

Chemistry: NO!!!!! DO NOT!!!!!!

Archaeology: Perhaps. But might be human bone.

Geology: Sometimes needed, sometimes dangerous 

Psychology: Best not.

Physics: ????????? How??????

Zoology: In zoology, science licks you. 

Hold your nose at this science pun.