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Article ID: 694837

Research Suggests Sweet Potatoes Didn't Originate in the Americas

Indiana University

Sweet potatoes may seem as American as Thanksgiving, but scientists have long debated whether their plant family originated in the Old or New World. New research by an Indiana University paleobotanist suggests it originated in Asia, and much earlier than previously known.

Released:
21-May-2018 4:30 PM EDT
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  • Embargo expired:
    17-May-2018 2:00 PM EDT

Article ID: 694664

Scientists Analyze First Ancient Human DNA From Southeast Asia

Harvard Medical School

Harvard Medical School researchers lead the first whole-genome analysis of ancient human DNA from Southeast Asia Study identifies at least three major waves of human migration into the region over the last 50,000 years, each shaping the genetics of Southeast Asia “to a remarkable extent” Findings reveal a complex interplay among archaeology, genetics and language

Released:
16-May-2018 10:35 AM EDT
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Article ID: 694479

Clarkson Chem-E-Car Speed Team Takes 1st in Regional Competition

Clarkson University

The Clarkson Student Projects for Engineering Experience and Design Team won 1st place in a regional competition.

Released:
11-May-2018 3:05 PM EDT
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  • Embargo expired:
    10-May-2018 8:00 AM EDT

Article ID: 693731

Cloaking Devices -- It’s Not Just ‘Star Trek’ Anymore

Acoustical Society of America (ASA)

Scientists are now working to take cloaking devices from the dramatic realm of science fiction and make them real. Amanda D. Hanford, at Pennsylvania State University, is taking the introductory steps to make acoustic ground cloaks. These materials redirect approaching waves around an object without scattering the wave energy, concealing the object from the sound waves. During the 175th ASA Meeting, Hanford will describe the physics behind an underwater acoustic shield designed in her lab.

Released:
30-Apr-2018 1:05 PM EDT
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  • Embargo expired:
    26-Apr-2018 1:00 PM EDT

Article ID: 693250

Scientists Use Quantum “Spooky Action” to Entangle Objects You Can Actually See

University of Chicago

A group of researchers announced April 26 in Nature that they had managed to entangle perhaps the largest items yet, at a whopping 20 microns across—about the diameter of a single human hair.

Released:
20-Apr-2018 4:00 PM EDT
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  • Embargo expired:
    23-Apr-2018 11:00 AM EDT

Article ID: 693117

Nanoparticle Breakthrough Could Capture Unseen Light for Solar Energy Conversion

Lawrence Berkeley National Laboratory

An international team, led by Berkeley Lab scientists, has demonstrated a breakthrough in the design and function of nanoparticles that could make solar panels more efficient by converting light usually missed by solar cells into usable energy.

Released:
19-Apr-2018 4:00 PM EDT
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Article ID: 692682

DHS S&T Helps Solve Mystery of 4,000-Year-Old Mummy

Homeland Security's Science & Technology Directorate

DHS S&T recently used advanced DNA sequencing to determine the identity of a 4,000-year-old mummy head found in 1915, when American explorers entered an ancient tomb cut in the parched limestone cliffs of the eastern bank of the Nile River, 155 miles south of Cairo.

Released:
12-Apr-2018 10:05 AM EDT
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Article ID: 691638

Decades of Research Identify Source of Galaxy-Sized Stream of Gas

University of Wisconsin-Madison

A cloud of gas 300,000 light-years long is arching around the Milky Way, shunted away from two dwarf galaxies orbiting our own. For decades, astronomers have wanted to know which of the two galaxies, the Large and Small Magellanic Clouds, is the source of the gas that has been expelled as the two galaxies gravitationally pull at one another. The answer will help astronomers understand how galaxies form and change over time.

Released:
23-Mar-2018 10:05 AM EDT
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Article ID: 691381

Why Aren't Humans ‘Knuckle-Walkers’?

Case Western Reserve University

Researchers at Case Western Reserve University have cracked the evolutionary mystery of why chimpanzees and gorillas walk on their knuckles: The short explanation is that these African apes climb trees and they are mobile on the ground.

Released:
20-Mar-2018 9:30 AM EDT
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Article ID: 691146

Scientists Design Conceptual Asteroid Deflector and Evaluate It Against Massive Potential Threat

Lawrence Livermore National Laboratory

Scientists have designed a conceptual spacecraft to deflect Earth-bound asteroids and evaluated whether it would be able to nudge a massive asteroid – which has a remote chance to hitting Earth in 2135 – off course.

Released:
14-Mar-2018 5:05 PM EDT
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