2017 The Greatest Scientific Breakthroughs of 2017

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List Rules Vote up the most significant scientific discoveries of 2017

Every year, the brilliant minds of science are making new discoveries that inspire us to learn more about our natural surroundings from everything microscopic to outer space. Thanks to the world's best scientists and researchers, these scientific breakthroughs of 2017 push the boundaries of what we thought we already knew about life on Earth. If you're curious about our progress in science, check out the list of scientific breakthroughs in 2016

These 2017 scientific discoveries are not only educational and informative, but they are also surprisingly amazing! If you want to catch up with this year's breakthroughs in science, this list has it all, including photos, videos, and other detailed info. 

Ready to fill your brain with the latest science news? Start reading this list of the biggest discoveries in science and tech of 2017! 

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The First Ever Fluorescent Frog Is Discovered In Argentina


The First Ever Fluorescent Fro... is listed (or ranked) 1 on the list The Greatest Scientific Breakthroughs of 2017
Photo: Julian Faivovic & Carlos Taboada/via The Guardian

The polka-dot tree frog was thought to be a pretty run-of-the-mill amphibian - that is, until scientists discovered this tiny little creature actually glows in the dark. This is the first time researchers have found the fluorescent trait in am amphibian. Previously it was found in some fish, turtles, and birds.

Scientists noticed the fluorescence after noticing the frogs had slight red tint in certain lights. But when they shined a UV light on the frog they realized it was much more than just a slight tint of red, it was a completely bright green and blue glow. The frog emits chemicals from inside its body that takes in regular light and emit it at a longer wavelength. 

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There's Seven Earth-Sized Planets In Aquarius (No, Seriously)


There's Seven Earth-Sized ... is listed (or ranked) 2 on the list The Greatest Scientific Breakthroughs of 2017
Photo: NASA/Vox

While this sounds like a strange astrology reading of sorts, this is in fact very real. Scientists discovered seven earth-sized planets in the constellation of Aquarius surrounding a star. Based on their proximity to the star and their general size, scientists believe these planets could be home to life. 

The planets are 39 light years away and surround a dwarf star that doesn't emit quite as much energy as ours, but nevertheless scientists think life could be living there. Researchers hope that "within a decade" we might be able to determine if life is on the planets. 

"I think we've made a crucial step in finding out if there's life out there," said Amaury Triaud, a researcher at the Institute of Astronomy at Cambridge University. "If life managed to thrive and release gases in a similar way as Earth, we will know." 

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Scientists Figure Out How To Turn Hydrogen Into Metal


Scientists Figure Out How To T... is listed (or ranked) 3 on the list The Greatest Scientific Breakthroughs of 2017
Photo: - François -/flickr/CC-BY-NC 2.0

Harvard University scientists figured out how to turn hydrogen - the lightest of all elements - into a metal, a feat studied by researchers for nearly 100 years. 

Experts say this new discovery could revolutionize the modern world. The properties of metallic hydrogen could lead to faster super computers, levitating railways, and advances in energy that could literally power rocket ships deep into our solar system.

"It takes a tremendous amount of energy to make metallic hydrogen," said Professor Isaac Silvera. "And if you convert it back to molecular hydrogen, all that energy is release, so it would make it the most powerful rocket propellant known to man and could revolutionize rocketry. That would easily allow you to explore the outer planets."

But don't get too excited - while scientists say the discovery is a huge step, the sample size they used is extremely small. More tests will determine whether larger quantities of hydrogen can be transformed into a metal. 

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New Male Contraceptive Gel Shows 100 Percent Success Rate In Monkeys


New Male Contraceptive Gel Sho... is listed (or ranked) 4 on the list The Greatest Scientific Breakthroughs of 2017
Photo: Hi! Rorro./flickr/CC-BY-ND 2.0

Scientists from France discovered a new contraceptive for males that could possibly be a new birth control method for human men. The gel - called Vasalgel - blocks sperm inside the body from getting into seminal fluid. In the monkeys tested during the medical trial, 100 percent showed signs sperm was blocked.

The gel is injected into the tubes between the testicles and the penis, also known as the vas deferens. Doctors compared it to getting a vasectomy in terms of the actual procedure, but the gel wouldn't be permanent. 

Researchers plan to introduce the drug to human test subjects sometime in 2018 or 2019. 

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PMS Could Be More Tolerable with New Molecular Discovery


PMS Could Be More Tolerable wi... is listed (or ranked) 5 on the list The Greatest Scientific Breakthroughs of 2017
Photo: National Institute of Health

Researchers at the National Institute of Health discovered a new molecular mechanism that might be the cause of severe premenstrual syndrome known as PMDD.

The discovery, reported in January, shows women who suffer from premenstrual dysphoric disorder have a difference in their molecular biology responsible for controlling sex hormones. Researchers experimented with this theory by turning off estrogen and progesterone in test subjects, which caused the severe symptoms to disappear.

Scientists now believe PMDD has a molecular response to these two hormones. They're now working on creating a treatment for women with PMDD to manage their symptoms. 

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A New Pill Might Help People Who Binge Drink


A New Pill Might Help People W... is listed (or ranked) 6 on the list The Greatest Scientific Breakthroughs of 2017
Photo:  Republica/Pixabay/CC0 1.0

Researchers at the University of Texas Southwestern Medical Center say they've discovered a new way to help binge drinkers: a pill.

Scientists studied the genomes of light, moderate, and heavy drinkers. They focused their research on a specific gene and found those who had a variation inside the gene drank significantly less than the others.

The gene itself probably evolved from human contact with alcohol for thousands of years, according to the researchers. During testing, mice who were given the variation hormone were more likely to drink water than alcohol. Mice in the control group were more likely to drink alcohol.

Scientists are now taking the variation hormone attached to that gene and creating a drug for human consumption. They're hopeful their new discovery will help combat alcoholism and binge drinking. 

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Scientists One Step Closer To Growing Human Organs In Pigs


Scientists One Step Closer To ... is listed (or ranked) 7 on the list The Greatest Scientific Breakthroughs of 2017
Photo: Belanescu Dan/flickr/CC-BY 2.0

Scientists at the Salk Institute in La Jolla, CA, said they're one step closer to being able to grow human organs inside pigs. In their latest research they were able to grow human cells inside pig embryos, a small but promising step toward organ growth.

But why would anyone want this research done in the first place? Scientists say it could help with studying disease and help develop different drugs. It could be a way to help with human organ donation. 

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Roadkill May Hold the Key to Better Human Health


Roadkill May Hold the Key to B... is listed (or ranked) 8 on the list The Greatest Scientific Breakthroughs of 2017
Photo:  AmberAvalona/Pixabay/CC0 1.0

Talk about the ultimate irony: the key to better human health might, in fact, lie in the bodies of dead animals strewn along the road. At least, that's what a team of researchers in Oklahoma believe.

In January, scientists from the University of Oklahoma said they've been studying roadkill and the communities of microorganisms that live inside them to unlock possible cures for human diseases. They study the bacteria and other organisms inside the animal and their effects on health and wellbeing. Scientists are hoping to produce a diverse range of microbiomes to study. Microbiomes in humans already are inclined to stave off various types of illness and disease. Researchers believe studying the microbiomes of these dead animals could unlock they survive, and also open a window into where their defenses fill in gaps in the human defenses. 

The scientists said using roadkill as test subjects also helps them avoid testing on live animals, and it gives them a variety of animals to choose from - everything from deer, possums, raccoons, and even skunks.