The world’s most powerful tractor beam just lifted a 2 centimeter ball, but could it make levitating humans a reality?

One Shot Could Provide All the Vaccines You'll Ever Need - https://youtu.be/qQ1VKYX4Vl0

Thumbnail image courtesy of University of Bristol.

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The world's most powerful acoustic tractor beam could pave the way for levitating humans
https://www.sciencedaily.com/releases/2018/01/180121221627.htm
“Acoustic tractor beams use the power of sound to hold particles in mid-air, and unlike magnetic levitation, they can grab most solids or liquids. For the first time University of Bristol engineers have shown it is possible to stably trap objects larger than the wavelength of sound in an acoustic tractor beam.”

Weaponizing Sound: How a ‘Silent’ Sonic Weapon Might Work
https://www.seeker.com/tech/weaponizing-sound-how-a-sonic-weapon-might-work
“A super secret sonic weapon being used to attack diplomats in a foreign country may sound like the start of a sci-fi novel, but that's exactly what several US diplomats in Cuba may have been exposed to, the US State Department recently announced.”

3-D Print Your Own Death Star 'Tractor Beam'
https://www.seeker.com/3-d-print-your-own-death-star-tractor-beam-2178584320.html
“A team of physicists, led by research assistant Asier Marzo of the University of Bristol in the United Kingdom, has released instructions in the journal Applied Physics Letters and on YouTube for how to create a plastic tractor-beam device.”

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Special thanks to Amy Shira Teitel for hosting and writing this episode of Seeker!
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Solids, liquids, and gases are only the beginning. What are the other states of matter? Hint: There are more than you think.

Part 1 of 3 - https://youtu.be/58C-gtX6uCY
Part 3 of 3 - coming next Thursday!

Read More:

Matter: Definition & the Five States of Matter
https://www.livescience.com/46506-states-of-matter.html
“There are five known phases, or states, of matter: solids, liquids, gases, plasma and Bose-Einstein condensates. The main difference in the structures of each state is in the densities of the particles.”

Water May Exist as Two Very Different Liquids Simultaneously
https://www.seeker.com/tech/materials/liquid-water-may-exist-in-two-very-different-forms-simultaneously
“Scientists have long pondered the strange qualities of water, and researchers in Sweden have just found that at room temperature it might at once exist as two distinct liquids with differing densities and molecular structures.”

Work on Exotic Matter Wins Physics Nobel
https://www.seeker.com/work-on-exotic-matter-wins-physics-nobel-2030008923.html
“This year's laureates opened the door on an unknown world where matter can assume strange states. They have used advanced mathematical methods to study unusual phases, or states, of matter, such as superconductors, superfluids or thin magnetic films.”
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This episode of Seeker was written and hosted by Trace Dominguez


Scientists don’t know why we evolved to taste sour foods, but they recently figured out the mystery behind how we taste them. It’s pretty crazy.

You Think You Know What Meat Is... But You Have No Idea - https://www.youtube.com/watch?v=pcdB89SHlAg& ;amp;list=PL6uC-XGZC7X4GX2aoSXLfCdTlcLgWvC2u&index=1

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The Bittersweet Truth of Sweet and Bitter Taste Receptors
http://sitn.hms.harvard.edu/flash/2013/the-bittersweet-truth-of-sweet-and-bitter-taste-receptors/
“The discovery of taste receptor proteins, over a decade ago, represented a major milestone in taste research. Knowledge of these receptor proteins allowed scientists to unmask key components involved in taste perception, providing a deeper understanding of this convoluted process.”

Sweet! Virtual Food Has Real Taste Now
https://www.seeker.com/sweet-virtual-food-has-real-taste-now-2084730672.html
“Nimesha Ranasinghe, a research fellow at the National University of Singapore, has been working on virtual taste for a while now. Back in 2013, he and his team created a taste simulator containing a small electrode that produced salty, sweet, bitter and sour sensations.”

This Is How We Taste Water
https://www.seeker.com/health/this-is-how-we-taste-water
“Can you taste the difference between water and lemon juice? That may seem like a question with an obvious answer, but new research shows that these different liquids may stimulate the same taste buds.”

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This episode of Seeker was hosted by Trace Dominguez

Written by: Megan Bates


There are thousands of compounds in urine that can tell us a lot about biology. Porcupines take advantage of the power in pee, and use it as a determining factor for fornication.

The Strange Sexual Journey of the Male Seahorse | http://bit.ly/2EM5kDC


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Animal Sex: How Porcupines Do It
https://www.livescience.com/47169-animal-sex-porcupines.html
“Porcupines are well known for their pointy quills, which cover their backs, sides and tail to provide a natural protection against predators. But do these quills also make mating difficult for the large rodents? Just how do porcupines do it?”

How Does a Porcupine Have Sex…? Carefully.
http://isciencemag.co.uk/uncategorized/how-does-a-porcupine-have-sex-carefully/
“Everyone knows the porcupine joke. But sexual attraction and reproductive behaviors in the animal kingdom are initiated across a wide spectrum. For some humans, it starts with ‘Netflix and chill’. For some animals, it’s penis fencing and urine spraying…”

Porcupine Facts
http://www.animalfactsencyclopedia.com/Porcupine-facts.html
“The porcupine is a large, round, slow-moving rodent with a spectacular means of defense. It's muscular body is covered with up to 30,000 long, hollow and pointed quills. The North American porcupine is one of the world's most recognizable animals because of it's body full of prickly spines, that are essentially modified hairs.”


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Looking for a new home beyond Earth? Icy moons could be a hot contender.

Waves Can Tell Us A Lot About Climate Change, But You Have To Catch Them First
https://www.youtube.com/watch?v=toeoYNQNZgA
Subscribe! https://www.youtube.com/channel/UCzWQYUVCpZqtN93H8RR44Qw

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Future Space Colony? Maybe We Should Look Beyond Mars to Saturn's Titan Moon
https://www.seeker.com/space/exploration/future-space-colony-maybe-we-should-look-beyond-mars-to-saturns-titan-moon
“NASA and Elon Musk’s SpaceX are focused on getting astronauts to Mars and even one day establishing a colony on the Red Planet — but what if their attention is better directed elsewhere? “

What It Would Be Like to Live on Saturn's Moons Titan and Enceladus
https://www.space.com/28786-living-on-saturn-moons-titan-enceladus.html
“Without a solid surface, Saturn isn't likely a place we could ever live. But the gas giant does have numerous moons, some of which would make fascinating locations for space colonies, particularly Titan and Enceladus.”

Plumes From Saturn’s Moon Enceladus Hint That It Could Support Life
https://www.nytimes.com/2017/04/13/science/saturn-cassini-moon-enceladus.html?mtrref=undefined
“Could icy moons like Saturn’s Enceladus in the outer solar system be home to microbes or other forms of alien life? Intriguing new findings from data collected by NASA’s Cassini spacecraft suggest the possibility.”

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Seeker inspires us to see the world through the lens of science and evokes a sense of curiosity, optimism and adventure.

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Astronauts get motion sickness, too! However, through training with NASA scientists like Dr. Patricia Cowings, they learn to control it.

Here's What It Actually Takes to Be a NASA Astronaut - https://youtu.be/Rg10d9-DeOM

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9 Scientifically Proven Ways to Prevent Motion Sickness
http://mentalfloss.com/article/78131/9-scientifically-proven-ways-prevent-motion-sickness
“Feeling dizzy, nauseated, and uncomfortable is never fun, especially when you’re traveling. Caused by sensory confusion—your eyes and inner ears get conflicting signals about the movement going on around you—motion sickness can affect anyone, in any type of moving vehicle.”

Here's What Emergency Medicine Will Look Like for Astronauts in Space
https://www.seeker.com/space/heres-what-emergency-medicine-will-look-like-for-astronauts-in-space
“If an emergency medical situation arises during a crewed trip to Mars, odds are that the astronauts helping out will have little medical training. Making things even more challenging, the astronauts will be far from home working only with the limited supplies on board — a task that would be difficult for even experienced doctors.”

NASA Announces New Class of Astronaut Trainees
https://www.seeker.com/space/exploration/nasa-announces-new-class-of-astronaut-trainees
"As American astronauts, you may yet return our nation to the moon. You may be the first to travel to Mars. You may have experiences that we can only imagine." The 12 new candidates include six military officers, three scientists, two medical doctors, a lead engineer at SpaceX and a NASA research pilot.

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Special thanks to Julian Huguet for writing this episode of Seeker!
Check Julian out on Twitter: https://twitter.com/jhug00

This episode of Seeker was hosted by Trace Dominguez


Scientists have identified two new genetic connections to homosexuality. Does this confirm that there are predisposed sexual orientations?

We Got Our DNA Tested, Here's How It Actually Works - https://youtu.be/dbiv6BAmdF4

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What do the new ‘gay genes’ tell us about sexual orientation?
https://www.newscientist.com/article/2155810-what-do-the-new-gay-genes-tell-us-about-sexual-orientation/
“Two gene variants have been found to be more common in gay men, adding to mounting evidence that sexual orientation is at least partly biologically determined. For the first time, individual genes have been identified that may influence how sexual orientation develops in boys and men, both in the womb and during life.”

Where Is It Illegal To Be Gay?
https://www.seeker.com/where-is-it-illegal-to-be-gay-1915471441.html
“There are many places in the world where it's illegal to be gay. In fact, according to the U.N., homosexuality is a crime in at least 75 countries, 13 of which impose the death penalty for homosexual acts. Anti-gay laws are most pervasive in Africa and the Middle East.”

Study of gay brothers may confirm X chromosome link to homosexuality
http://www.sciencemag.org/news/2014/11/study-gay-brothers-may-confirm-x-chromosome-link-homosexuality
“Dean Hamer finally feels vindicated. More than 20 years ago, in a study that triggered both scientific and cultural controversy, the molecular biologist offered the first direct evidence of a “gay gene,” by identifying a stretch on the X chromosome likely associated with homosexuality. But several subsequent studies called his finding into question.”
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Special Thanks to Julian Huguet for hosting and writing this episode of Seeker!
Check Julian out on Twitter: https://twitter.com/jhug00?lang=en


Practically everything around us is matter, but how did the first scientists figure that out? How did we define matter?

Part 2 of 3 - https://youtu.be/W2GHjcFyO3E
Part 3 of 3- coming next Thursday!

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Discovery of the Electron
http://www.pbs.org/transistor/science/events/electron.html
“Scientists worked with electricity long before they understood that current was made of electrons. The cathode tube was a prime example, no one knew how it worked. Some thought the rays were a wave traveling through a mysterious "ether" which they thought permeated all space.”

Who was Democritus?
https://www.universetoday.com/60058/democritus-atom/
“One such person is Democritus, an ancient Greek philosopher who is viewed by many as being the ‘father of modern science.’ This is due to his theory of universe that is made up of tiny ‘atoms’, which bears a striking resemblance to modern atomic theory.”

Thales of Miletus
http://www.iep.utm.edu/thales/
“The ancient Greek philosopher Thales was born in Miletus in Greek Ionia. Aristotle, the major source for Thales's philosophy and science, identified Thales as the first person to investigate the basic principles, the question of the originating substances of matter and, therefore, as the founder of the school of natural philosophy.”
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Why is there so much commuter traffic? This mathematical model offers an insight into our traffic nightmares.

Is Anything Truly Random? - https://youtu.be/tClZGWlRLoE

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Math Says You're Driving Wrong And It's Slowing Us All Down
https://www.wired.com/story/math-says-youre-driving-wrong-and-its-slowing-us-all-down/
“When you’re driving down the highway, such grace eludes you. You’re locked onto the car ahead of you, and rightfully so—that’s the agent most likely to ruin your day if it suddenly stops. But optimally you’d be keeping an equal distance between yourself and that car, and yourself and the car behind you.”

Where Is The Worst Traffic In The World?
https://www.seeker.com/where-is-the-worst-traffic-in-the-world-2041486769.html
“Los Angeles gets a lot of grief, from both residents and outside observer, for being a perpetually gridlocked traffic nightmare. But L.A.'s traffic jams are actually a breezy pleasure cruise compared to some other cities around the world.”

Elon Musk's Pipe Dream: Underground Electric Sleds for LA Traffic
https://www.seeker.com/tech/transport/elon-musks-pipe-dream-underground-electric-sleds-for-la-traffic
“Tech mogul Elon Musk elaborated this weekend on one of his newer projects: a multi-tiered network of underground tunnels that would whisk individual vehicles beneath the city on electric sled platforms going upwards of 130 mph.”
____________________

Seeker inspires us to see the world through the lens of science and evokes a sense of curiosity, optimism and adventure.

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Special thanks to Amy Shira Teitel for hosting and writing this episode of Seeker!
Check Amy out on Twitter: https://twitter.com/astVintageSpace


For many species of terrestrial slugs, sex can end with a loss of a phallus. It’s called apophallation and here’s why it happens.

Sex Can Be Complicated... For Snails With Backward Organs | http://bit.ly/2ETgioh

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The strange and sensational world of leopard slug sex
http://www.bbc.com/earth/story/20150114-the-strange-sensational-world-of-leopard-slug-sex
“Under the cover of darkness, leopard slugs perform a bizarre, balletic and very colourful mating ritual.”

The sex life of slugs
https://www.theguardian.com/environment/2015/may/08/country-diary-sex-life-slugs
“Suspended from a branch half a metre of mucus bungee line, two leopard slugs were mating in free air.”

Dance of the Mating Leopard Slug
http://infinitespider.com/dance-leopard-slugs/
“So once in a while I have to veer off track and bring you something completely different. Today I want to share with you something so gross and disgusting that it's almost beautiful (sort of like hairless cats and Shar pei dogs), leopard slug mating.”

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Can you catch a wave and collect data at the same time? Find out how these scientists are transforming ocean research.

This NASA Mission Uses Cold War Planes To Map The World's Largest Island
https://www.youtube.com/watch?v=oiQq9kWhGxI

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Even Small Increases in Ocean Temperature Can Affect Marine Life
https://www.seeker.com/earth/climate/even-small-increases-in-ocean-temperature-can-affect-marine-life
“In some ways doubling marine growth could be considered. But it seems like a common theme among warming experts and observers is that there are definitely winners and losers. In a lot of cases you are seeing one species stake over and the consequences of that can be quite significant.”

Scientists put a ‘smartfin’ on my surfboard. Is it the next wave in ocean monitoring?
http://www.sciencemag.org/news/2017/09/scientists-put-smartfin-my-surfboard-it-next-wave-ocean-monitoring
“The goal isn’t to help surfers monitor their surf sessions. Instead, they are aiming to gather data for studies of the coastal zone. They hope to distribute the fins widely enough to provide valuable data for researchers who track the health of sea life–rich reefs and kelp forests or monitor coral bleaching, the mixing of atmospheric gases by breaking waves, riptides, pollutants, and, over time, the ocean’s absorption of heat from global warming.”

Mapping Three Decades of Global Water Change
https://www.nytimes.com/interactive/2016/12/09/science/mapping-three-decades-of-global-water-change.html?mtrref=www.google.com
“Scientists with the European Commission’s Joint Research Center in Ispra, Italy, working with Google engineers, have used millions of satellite images to illustrate how rivers, lakes and other bodies of water have changed over three decades.”

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Seeker inspires us to see the world through the lens of science and evokes a sense of curiosity, optimism and adventure.

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Life on Earth has adapted to our 24 hour day, but the Earth’s spin is slowing down. What would it be like to live on an Earth that stops spinning?

Watching YouTube Isn’t Helping You Wind Down, It’s Ruining Your Sleep - https://youtu.be/QxA23Fa76Dk

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What Would Happen if Earth Stopped Spinning?
http://thescienceexplorer.com/universe/what-would-happen-if-earth-stopped-spinning
“Have you ever wondered what would happen if the Earth stopped spinning? You can probably guess that it would not result in anything good, in fact, it would be disastrous. If the Earth stopped spinning suddenly, most people on Earth would die. If the Earth slowed down gradually, it would be absolutely devastating, but there is a chance some people could survive.”

Baby Moon-Birthing Collision Slapped Earth Sideways
https://www.seeker.com/moon-earth-collision-astrophysics-formation-theory-2076496115.html
“While we think of the moon as a familiar, unchanging sight, when compared with the other moons in the solar system it's a bit weird. Earth's moon is relatively big compared to our planet, its orbit is far from Earth and its tilt is huge.”

Did Ancient Planet Collision Allow Life to Thrive?
https://www.seeker.com/life-giving-carbon-result-of-ancient-earth-collision-2006730394.html
“Life-giving carbon can be found all over the Earth's surface, but how it got there has been a mystery.”

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Seeker inspires us to see the world through the lens of science and evokes a sense of curiosity, optimism and adventure.

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Special thanks to Amy Shira Teitel for hosting and writing this episode of Seeker!
Check Amy out on Twitter: https://twitter.com/astVintageSpace


The universe might’ve started with a bounce instead of a bang, but what exactly would this bouncing universe look like?

These New Black Holes Challenge Our Theories of Galactic Evolution - https://youtu.be/W60OqAbtv3U

Read More:

Physicists Just Showed That The Big Bang Might Have Been a 'Big Bounce'
https://www.sciencealert.com/researchers-say-the-big-bang-might-have-been-a-big-bounce
An international team of researchers has backed up the growing hypothesis that the Big Bang was actually a 'Big Bounce', meaning that the Universe didn’t pop into existence. Instead, it simply started expanding again after contracting fully.

The Universe Should Have Destroyed Itself at the Big Bang. Why Didn't It?
https://www.seeker.com/space/astrophysics/the-universe-should-have-destroyed-itself-at-the-big-bang-why-didnt-it
“According to the standard model of particle physics, the Big Bang should have produced matter and antimatter in equal quantities. By that logic, the universe should have annihilated itself from the very beginning.”

Audio Exhibition Explores What the Big Bang Would Have Sounded Like
https://www.seeker.com/culture/audio-exhibition-explores-what-the-big-bang-would-have-sounded-like
When the universe was born, what did it sound like? The question underlies an inventive and challenging new exhibition in New York that explores the fundamentals of sound and how they relate to the quest to understand the self and the cosmos.

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Seeker inspires us to see the world through the lens of science and evokes a sense of curiosity, optimism and adventure.

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Special thanks to Athena Brensberger for writing and hosting this episode of Seeker!
Check Athena out on Twitter: https://twitter.com/astroathens


Electric eels and origami inspired scientists to create a soft battery that could revolutionize soft robotics. Here’s what you need to know.

This New 'Perfect' Battery Has Experts Stumped - https://youtu.be/YAg_8iCLIIw

Thumbnail image courtesy Thomas Schroeder and Anirvan Guha.

Read More:

Electricity, eel-style: Soft power cells could run tomorrow's implantables
http://www.ns.umich.edu/new/multimedia/videos/25325-electricity-eel-style-soft-power-cells-could-run-tomorrow-s-implantables
“Inspired by the electric eel, a flexible, transparent electrical device could lead to body-friendly power sources for implanted health monitors and medication dispensers, augmented-reality contact lenses and countless other applications. The soft cells are made of hydrogel and salt, and they form the first potentially biocompatible artificial electric organ that generates more than 100 volts.”

Stretchable Solar Batteries May Power the Next Generation of Wearable Devices
https://www.seeker.com/tech/stretchable-solar-batteries-may-power-the-next-generation-of-wearable-devices
“In recent years, electronic devices have migrated into all sorts of strange areas — smart underwear, for instance, that can measure your heart rate, calorie consumption, and posture. As such, batteries are changing too. Researchers at the University of California, Berkeley have developed a new kind of stretchy battery specifically designed for wearable devices and clothing that require more flexibility than old-school electronics.”

Chasing the ‘Holey’ Grail of Batteries
https://www.seeker.com/tech/materials/chasing-the-holey-grail-of-batteries
“This week, a team of researchers from the United States, China, and Saudi Arabia unveiled a new type of battery electrode made with “holey” graphene. In a paper published in Science, the researchers describe a porous form of graphene — the world’s thinnest and lightest nanomaterial — that overcomes some key challenges in creating next-generation batteries.”

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Seeker inspires us to see the world through the lens of science and evokes a sense of curiosity, optimism and adventure.

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This episode of Seeker was hosted by Trace Dominguez

Written by: Victoria Barrios


When it comes to sex, Bonobos do it all. There is, however, biological reasons behind all these sexual encounters. So why exactly do bonobos randevú round the clock?

Foam Orgies: The Dangerous Sex Life of Tree Frogs | https://www.youtube.com/watch?v=JmntwhzZS3c& ;amp;list=PL6uC-XGZC7X5gXhamKVEx2VOG4aTfpZYm&index=12

Read More:

Bonobo Sex and Society
https://www.scientificamerican.com/article/bonobo-sex-and-society-2006-06/
“Bonobos engage in sex in virtually every partner combination (although such contact among close family members may be suppressed). And sexual interactions occur more often among bonobos than among other primates.”

SEXUAL HEALING: BONOBOS USE SEX TO DE-STRESS
https://www.wired.com/2014/04/sexual-healing-bonobos-use-sex-to-de-stress/
“Sexual activity — in many creative forms — plays a large role in bonobo society. Sexual contacts occur often, in virtually all partner combinations and in a slew of different positions.”

The evolution of sexuality in chimpanzees and bonobos
https://www.ncbi.nlm.nih.gov/pubmed/24214293
“Bonobo hypersexuality appears closely linked to the evolution of female-female alliances.”

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