Articles by News Staff

Stone tool assemblage recovered from the Gault site, Texas: (A to D, F, and L) bifaces; (E) blade core; (G) quartz projectile point; (H and I) projectile points; (K) projectile point tip; (M, V, and W) blade; (N) unifacial tool; (O and T) gravers; (P) discoidal biface; (Q) end scraper; (R to U) modified flake tools; (X and Y) lanceolate projectile points. Image credit: N. Velchoff / Gault School of Archaeological Research.

Archaeologists Find Pre-Clovis Projectile Points in Texas

Jul 17, 2018 by News Staff

At the Gault archaeological site in central Texas, archaeologists have unearthed a projectile point technology never previously seen in North America,...

Diamond in kimberlite. Image credit: Parent Géry / CC BY-SA 3.0.

Study: Up To 2% of Earth’s Oldest Mantle Rocks are Made from Diamond

Jul 17, 2018 by News Staff

The ancient cores of Earth’s continents are called cratons. Shaped like inverted mountains, they can stretch as deep as 200 miles (320 km) through the...

Chara braunii. Image credit: Show Ryu / CC BY-SA 3.0.

Aquatic Alga Genome Contains Ancient Land Plant Genes

Jul 17, 2018 by News Staff

An international team of researchers, led by Kanazawa and Kobe Universities, Japan, and the Universities of Marburg and Freiburg, Germany, has sequenced...

Using NASA/ESA Hubble and ESA’s Gaia space telescopes, Riess et al have made the most precise measurements to date of the Universe’s expansion rate. This is calculated by gauging the distances between nearby galaxies using special types of stars called Cepheid variables as cosmic yardsticks. By comparing their intrinsic brightness as measured by Hubble, with their apparent brightness as seen from Earth, scientists can calculate their distances. Gaia further refines this yardstick by geometrically measuring the distances to Cepheid variables within the Milky Way Galaxy. This allowed astronomers to more precisely calibrate the distances to Cepheids that are seen in outside galaxies. Image credit: NASA / ESA / A. Field, STScI.

Universe’s Expansion Measured with Greatest Precision Yet

Jul 16, 2018 by News Staff

Astronomers have used the NASA/ESA Hubble Space Telescope and ESA’s Gaia space observatory to make the most precise measurements of the expansion rate...

This image from NASA’s Galileo spacecraft shows a volcanic explosion on Io. Image credit: NASA / JPL / University of Arizon.

Juno Spots New Active Volcano on Jupiter Moon’s Io

Jul 16, 2018 by News Staff

Infrared data collected by NASA’s Juno spacecraft point to a new heat source in the southern hemisphere of Io — Jupiter’s third-largest moon...

This image, taken with the Wide Field Camera 3 (WFC3) on board the NASA/ESA Hubble Space Telescope, shows the galaxy cluster SDSS J1336-0331. Image credit: NASA / ESA / Hubble.

Hubble Catches Enormous Cluster of Galaxies

Jul 16, 2018 by News Staff

The NASA/ESA Hubble Space Telescope has produced this beautiful image of a massive galaxy cluster called SDSS J1336-0331. This image, taken with the Wide...

The clay tablet contains 13 verses from the Odyssey’s 14th rhapsody. Image credit: Hellenic Ministry of Culture and Sports.

Oldest Known Fragment of Homer’s Odyssey Found on Clay Tablet

Jul 16, 2018 by News Staff

Archaeologists in Greece have discovered what they think is the oldest written record of Homer’s poem Odyssey. The clay tablet contains 13 verses from...

Consumption of dietary achievable amounts of red raspberries improves endothelial function up to 24 h and ellagitannins may be responsible for the observed effect. Image credit: Robert Owen-Wahl.

Red Raspberry Consumption May Improve Vascular Function

Jul 16, 2018 by News Staff

A study published in the Archives of Biochemistry and Biophysics shows that ellagitannins — natural phenolic compounds found in red raspberries —...

A bi-static radar image of the binary asteroid 2017 YE5 from the Arecibo Observatory and the Green Bank Observatory on June 25, 2018. Image credit: Arecibo / GBO / NSF / NASA / JPL-Caltech.

Astronomers Spot Rare Binary Asteroid: 2017 YE5

Jul 13, 2018 by News Staff

New observations by NASA’s Goldstone Solar System Radar in California, Arecibo Observatory in Puerto Rico and the Green Bank Observatory in West Virginia...

An artist’s impression of a blazar. Image credit: DESY / Science Communication Lab.

Astronomers Pinpoint Source of High-Energy Neutrinos for First Time

Jul 13, 2018 by News Staff

A large multinational team of astronomers has found the first evidence of a source of super-energetic neutrino particles: a distant blazar — the...

Three scans (from the front, side and above) of two different brains (pictured on the left and on the right) belonging to twins; the furrows and ridges are different in each person. Image credit: Lutz Jäncke, University of Zurich.

Our Brains are as Unique as Our Fingerprints, Neuroscientists Say

Jul 13, 2018 by News Staff

Every individual has a unique brain anatomy, according to new research from the University of Zurich in Switzerland; and this uniqueness is the result...

Prehistoric Central European women’s manual labor was tougher than rowing in today’s boat crews.

Southeast Asians Derive Ancestry from Four Ancient Populations

Jul 13, 2018 by News Staff

Modern-day Southeast Asian populations are the result of mixing among four ancient populations, including multiple waves of genetic material from more...

Rossi et al operate a hybrid electron pump in silicon obtained by coupling a quantum dot to multiple parasitic states and achieve robust current quantization up to a few gigahertz. Image credit: Rossi et al, doi: 10.1021/acs.nanolett.8b00874.

Researchers Move One Step Closer to High-Performance Quantum Computing

Jul 12, 2018 by News Staff

A multinational team of researchers led by University of Cambridge scientist Dr. Alessandro Rossi and University of Adelaide’s Dr. Giuseppe Tettamanzi...

Horses produce more snorts in favorable situations. Image credit: Rihaij.

Horses Snort When They’re Happy, Study Says

Jul 12, 2018 by News Staff

Snorts — non-vocal signals produced by the air expiration through the nostrils — are associated with more positive contexts and states in horses,...

The 2.12-million-year-old stone artifact at the Shangchen site, China. Image credit: Zhaoyu Zhu.

2.1-Million-Year-Old Stone Tools Unearthed in China

Jul 12, 2018 by News Staff

Archaeologists working in the southern Chinese Loess Plateau have unearthed stone tools crafted at least 2.1 million years ago by early humans. The discovery,...

Microscopic image of senescence on mouse embryonic fibroblast cells; blue-green areas indicate the expression of senescence-associated beta-galactosidase. Image credit: Y. Tambe / CC BY-SA 3.0.

Senolytic Drugs Increase Lifespan, Improve Physical Function in Aging Mice

Jul 12, 2018 by News Staff

Senescent cells increase in many tissues with aging and are often associated with inflammation, tissue damage, and age-related diseases. Senolytics are...

This artist’s impression shows Ross 128b, with the red dwarf star Ross 128 in the background. This system is located in the constellation of Virgo, about 11 light-years away. Ross 128b is 20 times closer to the star than the Earth is to the Sun, and takes just 9.9 days to circle it. The planet’s equilibrium temperature is estimated to be 70 degrees Fahrenheit (21 degrees Celsius). Image credit: Sci-News.com.

Exoplanet Ross 128b Likely Has Temperate Climate: Study

Jul 11, 2018 by News Staff

Understanding which chemical elements are present in a star in what abundances can help astronomers estimate the makeup of planets that orbit them, which...

Perspective view of Pluto’s highest mountains, Tenzing Montes, along the western margins of Sputnik Planitia. Image credit: Paul Schenk, Lunar and Planetary Institute.

Global Mosaic and Topographic Maps of Pluto and Charon Released

Jul 11, 2018 by News Staff

NASA’s New Horizons team has released the first official global mosaic and topographic maps of the dwarf planet Pluto and its largest moon, Charon. Perspective...

Sulaiman et al found a powerful interaction of plasma waves moving from Saturn to its rings and Enceladus. Image credit: NASA / JPL-Caltech.

Sounds of Saturn: Evidence of Communication between Saturn, Its Rings and Enceladus via Plasma Waves

Jul 10, 2018 by News Staff

NASA’s Cassini spacecraft’s high-inclination Grand Finale orbits offered an unprecedented new view of Saturn and its environment. New research from...

Biogeochemist Dr. Janet Hope holds an ampoule with pink colored porphyrins. Image credit: Australian National University.

Bright Pink is Oldest Color in Geological Record

Jul 10, 2018 by News Staff

An international team of researchers from Australia, Japan, the United States and Belgium has successfully extracted bright pink biological pigments from...

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