When stressed, this comb jelly reverts to a larval form, then matures again when favorable conditions return.
PHOTOS: Joan J. Soto-Anjel and Pawvel Burkhardt; Maria Pia Miglietta; Ganímendes/Wikimedia Commons
STORY: E. Pennisi/Science
Published: 18th Oct 2024 07:00:31 By: Science Magazine
Science News Video: What makes fighting fish so feisty?
New studies combining genetics and neuroscience offer clues
Centuries of selective breeding of Siamese fighting (betta) fish (Betta splendens) have produced the elaborate colors and patterns that have made them popular pets. But their early domestication was focused on a different signature trait: aggression. In this video, Andrés Bendesky and his team at Columbia University describe how they’ve combined genetics and neuroscience to understand what puts the fight in these fish. The work could help the team and other scientists understand how genes, neurons, and aggression are linked in a variety of animals, including humans.
Read the research paper here: https://www.science.org/doi/10.1126/sciadv.abm4950
00:00 Introduction to Betta Fish Aggression
00:38 Research Focus and Evolution of Aggression
01:39 Genetic Comparisons and Discoveries
02:52 Behavioral Experiments and Findings
03:52 Neuroscientific Insights and Techniques
04:28 Genetic Modifications and Future Research
05:04 Implications for Human Behavior
Published: 15th Oct 2024 06:00:12 By: Science Magazine
Science News Video: This spider crawls like ant to avoid being eaten #science #mimicry
This jumping spider mimics the movements of ant species in its environment to avoid being eaten. The spider’s predators, such as praying mantis, pass up anything that might be an ant to avoid the ants' painful bite.
Read the story: https://www.science.org/content/article/watch-spider-crawl-ant-avoid-being-eaten
Turns out blueberries don't have blue pigment. Instead, structural color from the waxy surface on blueberries gives them their signature color.
Video by Sarah Crespi
Footage: Middleton et al. (2024)/Science Advances
Music: Nguyen Khoi Nguyen
Published: 7th Jun 2024 04:00:11 By: Science Magazine
Science News Video: After 50 years, Lucy faces rivals with other human ancestors
In 1974, paleoanthropologist Don Johanson and student Tom Gray unearthed a 40% complete skeleton of an early human ancestor, fundamentally changing the human family tree. The specimen acquired a nickname that persisted: Lucy, after the Beatles song playing at the fossil hunter’s camp--“Lucy in the Sky with Diamonds.” At 3.2 million years old, some thought her species, Australopithecus afarensis, was close to when the ancestor of humans had split from the ancestor of chimpanzees. But in the past 50 years, discoveries of hominins both older and the same age as Lucy have pushed that split millions of years deeper in time, and challenged her position as mother of us all.
Read the story: https://www.science.org/content/article/was-lucy-mother-us-all-fifty-years-discovery-famed-skeleton-rivals
Published: 28th May 2024 05:23:04 By: Science Magazine
Science News Video: Should We Build A Geothermal Power Plant In Yellowstone?
Yellowstone National Park is one of the most famous tourist destinations and nature reserves in the world. And it's also the perfect place for.... geothermal power plants? Let's talk about the weird reason why NASA is all for building a power plant in our favorite national park.
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Published: 21st Oct 2024 05:00:54 By: SciShow
Science News Video: Four Animals That Give Each Other Names
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Humans aren't the only ones who refer to each other by name. Several species in the animal kingdom refuse to live in anonymity.
Hosted by: Jaida Elcock (she/her)
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Published: 18th Oct 2024 05:00:28 By: SciShow
Science News Video: Why Did Botswana Win the Diamond Lottery So Hard?
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Of the 10 largest rough diamonds ever mined, 6 of them have come from the African nation of Botswana. Russia is the only country that produces more diamonds by volume, but the individual gems don't tend to be as large. So why is Botswana so special? It's a confluence of factors that requires us to look hundreds of kilometers beneath the Earth's surface.
Hosted by: Savannah Geary (they/them)
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Published: 17th Oct 2024 05:00:30 By: SciShow
Science News Video: How Ancient Roman Baths Could Save People and the Planet
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Back in the Victorian Era, Englanders thought that the famous Roman Baths were so healing because there was radium in the water. And there was, but that wasn't the real secret. Turns out that the baths are teeming with microbes that could end up doing us and our planet some major good.
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Published: 16th Oct 2024 05:00:47 By: SciShow
Science News Video: The People Who Fly Into Hurricanes (on Purpose)
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Hurricanes are scary and the idea is usually to move away from them as much as possible. Then there are the intrepid scientist-pilots at NOAA who fly right into them. On purpose. And they do it to save lives.
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Published: 15th Oct 2024 05:00:38 By: SciShow
Science News Video: See how a male Victoria’s riflebird courts a female | Science News
A sit-and-wait flirter, a male riflebird (left in the first clip) puts on a high-energy — and noisy — show for a female visiting his perch. The most flexible wrist joints yet measured in a bird let him curve his dark wings like a flaring cape. Opening and closing his beak, as seen in the first slow motion clip, adds flashes of gold from the mouth and throat lining. Between flashes, he closes his beak to scrape it over the spread feathers for the show’s thwackity-thwack soundtrack, as seen in the second slow motion clip. Scientists previously thought the birds somehow clapped their wings together to make the sounds.
Video: Thomas MacGillavry and Joris De Raedt
Published: 16th Oct 2024 03:27:53 By: Science News
Science News Video: Take a close look at a fruit fly's neurons | Science News
In this fruit fly brain, there are precisely two neurons called CT1 neurons that span the width of the eye. Each of these neurons makes over 140,000 synapses and uses its unique position to help the fly sense light and motion.
Read more:
Video: Amy Sterling, Murthy and Seung Labs/Princeton University
Published: 2nd Oct 2024 01:53:07 By: Science News
Science News Video: Watch bacteria found on our teeth rapidly divide and grow | Science News
The filamentous bacterium Corynebacterium matruchotii, found in human dental plaque, has a superpower. It can divide into as many as 14 daughter cells at once, allowing it to rapidly expand its territory. In this video, a single cell divides into many, which also divide into many, and so on until the colony rapidly fills the field of view.
Read more: https://www.sciencenews.org/article/bacteria-unique-mouth-division
Video: Scott Chimileski/Marine Biological Laboratory
This animation shows how the ambipolar electric field works. The most abundant gas in the lower atmosphere, the part we live in, is nitrogen (N2, shown around seven seconds). Pan up to the ionosphere (14 seconds), though, and you’ll find more atomic oxygen. Photons from the sun can collide with oxygen and knock one of their electrons loose, leaving a positively charged oxygen ion behind. The pull between those ions and their lost electrons is the ambipolar electric field, which ties them together.
Read more: https://www.sciencenews.org/article/electric-field-in-earths-atmosphere
Video: NASA's Goddard Space Flight Center
With the recent boom in clean energy development, more and more farmers are interested in leasing their fields to solar power utilities, often forcing them to abandon traditional crop production or grazing in the process. Now researchers in the growing field of agrivoltaics hope to provide scientific insights and guidance to make it possible to produce food and power at the same time. While sheep grazing on solar farms has already demonstrated feasibility and ecological benefits, these researchers are discovering that co-locating crops and solar panels may prove to be a tough row to hoe.
Credits:
Production, Videography and Editing
Luke Groskin
Story Editing
Ashley Yeager
Additional Video and Stills
Center for Energy Education (C.C. BY), Clean Energy Resource Teams (C.C. BY)
Enel North America, Getty, Innover, Kaan Kutural/UC Davis,
National Renewable Energy Laboratory,
One Less Traveled By (C.C. BY), Pond 5, Sol Systems (C.C. BY), Sun’Agri
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About How It's Made:
Explore the fascinating world of how everyday items are manufactured and produced.
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Published: 18th Oct 2024 10:00:04 By: Science Channel
Science Channel Video: Building the James Webb Space Telescope | Space's Deepest Secrets | Science Channel
Scientists are on a race to find the beginning of time and space: the Big Bang. Here, filmed in 2017, see the aerospace engineering marvel that is the James Webb Space telescope, the largest telescope in space.
#ScienceChannel #SpacesDeepestSecrets
About Space's Deepest Secrets
A few generations ago, traveling to the Moon was hard to imagine, and going beyond the Moon was a pipe dream. Today there is a new breed of explorer, tasked with going deep into space to unlock and reveal first-ever views of alien worlds and cosmic bodies far beyond anyone's imagination. These men and women have pushed their ingenuity and curiosity beyond the limits to uncover some of the most-groundbreaking findings in the history of space exploration.
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Published: 17th Oct 2024 09:00:40 By: Science Channel
Science Channel Video: An Ancient Roman Resort Town's Underground Tunnels | Mysteries of the Abandoned | Science Channel
Near the destroyed city of Pompeii, an eerie complex of underground tunnels snake beneath a volcano, and some believe these passages were intended as a gateway to hell. Research reveals exactly why they were built and why they were abandoned.
#ScienceChannel #MysteriesOfTheAbandoned
About Mysteries of the Abandoned:
The world's most incredible engineering projects are revisited to uncover why places full of mysteries and untold secrets are now abandoned ruins.
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Published: 15th Oct 2024 03:00:52 By: Science Channel
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