Developing athletic ability requires practice, even for robots. Using an approach driven by trial and error called deep reinforcement learning, researchers at DeepMind helped these soccer-playing robots develop skills, agility, and techniques to improve their play--all at a higher level than could be manually programmed. The computer “agents” controlling the robots picked up the rules and nuances of the game by observing human soccer players, then playing against each other in both simulations and using real-life robots. Robots play each other to improve their game, get computational “coaching,” and even mimic defensive moves of human players. While these athletic machines may not be making starting lineups anytime soon, computer scientists hope that this ability to learn and perform complex tasks in unpredictable environments will prove useful well beyond the soccer field.
Read the research paper here: https://www.science.org/doi/10.1126/scirobotics.adi8022
Published: 6th May 2024 03:00:31 By: Science Magazine
Science News Video: Why are these #frogs such clumsy jumpers?
Scientists have figured out why some miniaturized frogs from Brazil are such clumsy jumpers. A 2022 study published in Science Advances reveals that among adult vertebrates, members of the genus Brachycephalus have the smallest known semicircular canals – the part of the inner ear necessary for maintaining balance and spatial orientation.
The diminutive size of these canals results in low sensitivity to angular acceleration, preventing the frogs from controlling their posture as they prepare to land.
VIDEO CREDIT: RICHARD L. ESSNER, JR.
LINK: https://scim.ag/6bR
Published: 3rd May 2024 03:00:44 By: Science Magazine
Science News Video: #mussels use their ‘beard’ to hang tight and let loose
In order to withstand the crashing waves, mussels have strong filaments called byssal threads to help them stick to rocky surfaces with surprising strength. When needed, the bivalves can also release these threads with seemingly little effort.
Video by: Luke Groskin
Link to video: https://youtu.be/63ge4qvz19E
Link to paper: https://www.science.org/doi/full/10.1126/science.adi7401
Researchers created a robot that uses advanced structural designs and a laser broiler to make this 3D printed cake hold its form. The robot can create and cook a cake with up to seven ingredients, more than any other printed food to date.
Footage: Jonathan Blutinger
Link: https://scim.ag/3DPrintedCake
Evolutionary biologist Kurt Schwenk uses high-speed cameras to study the tongues of lizards. In slow motion you can see that in addition to being sticky, chameleon tongues can actually help them actually grasp their prey.
Written by: Elizabeth Pennisi
Video by: Kevin McLean
Footage: Kurt Schwenk, Thomas Retting
Music: xDoozy/Looperman
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Magnesium may be all the rage as a sleep aid, but does it actually work? We decided to dive into the research to find out, and ended up learning a lot about mice along the way.
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Published: 17th May 2024 05:00:31 By: SciShow
Science News Video: Why Do Antidepressants Cause Brain Zaps?
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For some people who stop taking an SSRI or SNRI antidepressant, they can get a weird side effect called brain zaps. And even though we've known about them for decades, we still don't know exactly why brain zaps happen.
Hosted by: Hank Green (he/him)
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Published: 16th May 2024 05:00:10 By: SciShow
Science News Video: How Much of the Periodic Table is in YOU?
About 99.9% of your typical human body is made of just 11 elements from the periodic table. But hiding in that remaining 0.1% are some elements that do some very important jobs to keep you alive and healthy. Including some elements you may have completely forgotten about.
Hosted by: Niba @NotesbyNiba (she/her)
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Sources: https://drive.google.com/file/d/1bmaovl6qXYPRzMeSPQy9PCj2GYxBJ9KH/view?usp=sharing
Published: 15th May 2024 05:00:12 By: SciShow
Science News Video: Is Liquid Nitrogen the Future of Clean Energy?
Liquid nitrogen (LN2) might slow down a T1000 for a bit, and it definitely helps make yummy ice cream during a classroom demo, but it has a lot of applications you may have never considered. Maybe one day it'll help astronauts stay clean, or even power your car!
Hosted by: Savannah Geary (they/them)
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Published: 14th May 2024 05:00:04 By: SciShow
Science News Video: Retinal Scanning is Changing Healthcare
Your optometrist can tell you if you're at risk for cardiovascular disease, Alzheimer's, or diabetes. And it's all thanks to James Bond-style retinal scanners.
Hosted by: Savannah Geary (they/them)
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Two belugas at an aquarium bob their heads up and down, shaking their blobs of forehead fat — called melons — at one another. One of five distinct melon shapes that the whales make, “shake” seems to be associated with courtship and sexual behaviors, a new study suggests.
Read more: https://www.sciencenews.org/article/belugas-communicate-warping-forehead-fat
Video: J.T. Richard et al/Animal Cognition 2024
Published: 2nd May 2024 05:06:37 By: Science News
Science News Video: This robot can anticipate a person’s smile — and smile back | Science News
By analyzing hundreds of videos, Emo learned how to predict facial expressions from human muscle movement. The robot demonstrates its skills by smiling in sync with researcher Yuhang Hu.
Read more: https://www.sciencenews.org/article/robot-predicts-smile-facial-expression
Video: Yuhang Hu
Central Washington University undergraduates Eli Pugsley (left) and Jo Burke (right) launch a weather balloon from a pier in Wills Point, Texas, to collect information about the eclipse’s effect on the atmosphere. Along with their professor, space physicist Darci Snowden, the team from Ellensburg, Wash., were one of many teams along the path of totality taking part in NASA’s Nationwide Eclipse Ballooning Project.
Read more: https://www.sciencenews.org/article/totality-scientists-studied-planets-reactions-solar-eclipse
Video: Adam Mann
Fruit flies walk normally on a treadmill that moves at a steady pace on both sides (left). Flies can also adjust to a treadmill that has two different speeds (right). Careful analyses of stepping patterns revealed that flies' middle legs helped keep the fly moving ahead.
Read more: https://www.sciencenews.org/article/fruit-flies-walk-treadmills-behavior
Video: B.G. Pratt et al/bioRxiv 2024
Made of simple belts, pulleys and motors and covered with a nonstick enclosure, this tiny treadmill enables scientists to study fruit flies as they walk normally.
Read more: https://www.sciencenews.org/article/fruit-flies-walk-treadmills-behavior
Video: B.G. Pratt et al/bioRxiv 2024
Glass, glass, glass, this compilation is about all things-- you guessed it-- GLASS!
Chapters:
00:00 Lab Reactors - Originally aired 2017
09:00 Pressed Glassware - Originally aired 2013
14:00 Pyrex / Glass Cookware - Originally aired 2006
19:00 Glass Blocks - Originally aired 2008
23:47 Patterned Glass Panels - Originally aired 2011
28:47 Opalescent Glass - Originally aired 2007
33:34 Stained Glass - Originally aired 2005
38:24 Crystal Wine Glasses - Originally aired 2006
43:11 Glass Faucets - Originally aired 2018
48:18 Architectural Glass - Originally aired 2014
#ScienceChannel #HowItsMade
About How It's Made:
Explore the fascinating world of how everyday items are manufactured and produced.
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Published: 17th May 2024 03:00:41 By: Science Channel
Our solar system is home to an array of planetary conditions, including massively varied atmospheres. As a result, the weather conditions of our planetary neighbors are unlike anything experienced on Earth.
#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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About Science Channel:
Learn about outer space, leading scientific exploration, new technology, earth science basics, & more with science videos & news from Science Channel.
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Published: 16th May 2024 03:00:53 By: Science Channel
Science Channel Video: McMurdo Station's Failed Nuclear Reactors | What On Earth? | Science Channel
Pluto is home to five moons ranging dramatically in size. It's largest-- Charon-- is about half the size of Pluto, while the remaining four-- Styx, Nix, Kerberos, and Hydra-- are tiny, irregular, icy bodies.
#ScienceChannel #HowTheUniverseWorks
About How the Universe Works:
With a cast of experts and eye-popping CGI, we're looking under the celestial hood to tell the greatest story of all -- the story of where we and everything else came from.
Subscribe to Science Channel:
https://www.youtube.com/@sciencechannel
About Science Channel:
Learn about outer space, leading scientific exploration, new technology, earth science basics, & more with science videos & news from Science Channel.
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Published: 13th May 2024 10:00:30 By: Science Channel
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