SciTechDaily: “Child’s Play: Are Tibetan Hand and Foot Traces From 200,000 Years Ago the Earliest Example of Parietal Art?” plus 12 more

SciTechDaily: “Child’s Play: Are Tibetan Hand and Foot Traces From 200,000 Years Ago the Earliest Example of Parietal Art?” plus 12 more

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Child’s Play: Are Tibetan Hand and Foot Traces From 200,000 Years Ago the Earliest Example of Parietal Art?

Posted: 25 Sep 2021 09:19 AM PDT

Tibetan Hand and Foot Traces

Fossilized footprints, and more rarely, handprints, can be found around the world left as people went about their daily business, preserved by freak acts of...

The post Child's Play: Are Tibetan Hand and Foot Traces From 200,000 Years Ago the Earliest Example of Parietal Art? appeared first on SciTechDaily.

NASA’s Perseverance Rover Cameras Capture Mars Like Never Before – “A Huge Piece of Everything”

Posted: 25 Sep 2021 08:09 AM PDT

NASA's Perseverance Rover Cameras Capture Mars

Scientists tap into an array of imagers aboard the six-wheeled explorer to get a big picture of the Red Planet. NASA's Perseverance rover has been...

The post NASA's Perseverance Rover Cameras Capture Mars Like Never Before – "A Huge Piece of Everything" appeared first on SciTechDaily.

Could Low-Altitude Magnetic Reconnection Power Jupiter’s Polar Aurorae?

Posted: 25 Sep 2021 06:48 AM PDT

Hubble Jupiter Aurora

Magnetic reconnection events less than 2 Jovian radii above the planet's cloud tops could explain why Juno has yet to observe a source for Jupiter's...

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Maya Rulers Transformed Cities, Put Their Personal Stamp on Monumental Complexes

Posted: 25 Sep 2021 05:36 AM PDT

Maya Ruins in Tikal

Maya rulers transformed cities, forging new memories of the landscape. Early Maya cities featured monumental complexes, which centered on a shared form of religion but...

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The Changing Climate’s Snowball Effect – Can New Technologies Help?

Posted: 25 Sep 2021 04:26 AM PDT

Sean de Guzman Snow Survey

Shrinking snowpack, thawing permafrost, and shifting precipitation patterns have widespread consequences. Can new technologies—and public policies—help communities adapt? It begins at the height of winter...

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Potential Remnants of Original Dinosaur DNA Discovered in Exquisitely Preserved Dinosaur Cells

Posted: 25 Sep 2021 03:15 AM PDT

Jehol Biota and Caudipteryx

Organic molecule remnants found in nuclei of 125-million-year-old dinosaur cells. A team of scientists from the Institute of Vertebrate Paleontology and Paleoanthropology (IVPP) of the...

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3D Printed Vaccine Patch Offers Vaccination Without a Shot – Outperforms Needle Jab in Boosting Immunity

Posted: 25 Sep 2021 01:56 AM PDT

3D Printed Microneedle Vaccine Patch

Stanford University and the University of North Carolina Chapel Hill develop microneedle vaccine patch that outperforms needle jab to boost immunity. Scientists at Stanford University...

The post 3D Printed Vaccine Patch Offers Vaccination Without a Shot – Outperforms Needle Jab in Boosting Immunity appeared first on SciTechDaily.

Physicists Find “Magnon” Origins in 2D Magnet – Could Prove Useful for Encoding Information

Posted: 24 Sep 2021 10:27 PM PDT

Lebing Chen

Topological feature could prove useful for encoding information in electron spins. Rice physicists have confirmed the topological origins of magnons, magnetic features they discovered three...

The post Physicists Find "Magnon" Origins in 2D Magnet – Could Prove Useful for Encoding Information appeared first on SciTechDaily.

Plant Patch Enables Continuous Monitoring for Crop Stress and Diseases

Posted: 24 Sep 2021 09:47 PM PDT

Plant Patch Monitor

Researchers from North Carolina State University have developed a patch that plants can “wear” to monitor continuously for plant diseases or other stresses, such as...

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New Extremely Energy-Efficient Optical “Transistor” Speeds Up Computation Up to 1,000 Times

Posted: 24 Sep 2021 04:56 PM PDT

Futuristic Computer Concept

An international research team led by Skoltech and IBM has created an extremely energy-efficient optical switch that could replace electronic transistors in a new generation...

The post New Extremely Energy-Efficient Optical "Transistor" Speeds Up Computation Up to 1,000 Times appeared first on SciTechDaily.

Invisible Colors: Why Astronomers Use Different Radio Bands To Observe the Universe

Posted: 24 Sep 2021 03:35 PM PDT

Pinwheel Galaxy M33 Rainbow

Radio light comes in a rainbow of colors. We see these colors with radio bands, and each band has a story to tell about the...

The post Invisible Colors: Why Astronomers Use Different Radio Bands To Observe the Universe appeared first on SciTechDaily.

Combo Therapy Cuts Risk of Heart Attacks and Strokes by More Than 50%

Posted: 24 Sep 2021 02:25 PM PDT

Heart Cardiology Concept

Benefits are consistent at different blood pressure levels, cholesterol levels, and with or without diabetes, but larger benefits may occur in older people. A combination...

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Blowing Up Over 20 Different Medieval Gunpowder Recipes

Posted: 24 Sep 2021 01:15 PM PDT

Blowing Up Medieval Gunpowder Recipes

First used for battle in China in about 900 A.D., gunpowder spread throughout Eurasia by the end of the 13th century, eventually revolutionizing warfare as...

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