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Five giant planets orbit nearby sun-like star.

Views expressed in this science and technology update are those of the reporters and correspondents.

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Accessed on 31 January 2021, 1024 UTC, Post 101.

Source:  http://www.sci-news.com/

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Russ Roberts

https://www.hawaiisciencedaily.info

ASTRONOMY

Five Giant Planets Orbit Nearby Sun-Like Star

An artist’s impression of the five-planet system HD 108236. Image credit: Sci-News.com.

Astronomers using ESA’s CHaracterising ExOPlanet Satellite (CHEOPS) have discovered a fifth planet around the bright, Sun-like star HD 108236. An artist’s impression of the five-planet system HD 108236. Image credit: Sci-News.com. HD 108236 is a star of spectral and luminosity type G3V located 211 light-years away in the southern constellation of Centaurus. Also known as TOI-1233, TIC 260647166,...

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SPACE EXPLORATION

Solar Orbiter Spots Venus, Earth and Mars

This image was captured on November 18, 2020, by the SoloHI camera on board Solar Orbiter. Venus (left), Earth (middle), and Mars (right) are visible in the foreground. Stars are visible in the background, appearing to move in Solar Orbiter’s recording while the spacecraft travels around the Sun. The Sun is located on the right, outside the video frame. Image credit: ESA / NASA / Solar Orbiter / SoloHI Team / U.S. Naval Research Laboratory.

Solar Orbiter, a collaborative mission between ESA and NASA to study the Sun, has captured a series of images showing three solar system planets: Venus, Earth, and Mars. This image was captured on November 18, 2020, by the SoloHI camera on board Solar Orbiter. Venus (left), Earth (middle), and Mars (right) are visible in the foreground. Stars are visible in the background, appearing to move in Solar...

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ARCHAEOLOGY

Chumash Indians Were Using Shell Bead Money 2,000 Years Ago

Chumash cupped beads from purple dwarf olive sea snails (Olivella biplicata). Image credit: Lynn Gamble / SBMNH Collection.

The Chumash Indians, hunter-gatherers centered on the south-central coast of Santa Barbara, were using highly worked shells as currency as early as 2,000 years ago, about 1,000 years earlier than archaeologists thought. Chumash cupped beads from purple dwarf olive sea snails (Olivella biplicata). Image credit: Lynn Gamble / SBMNH Collection. The Chumash Indians produced shell beads for thousands...

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PALEONTOLOGY

Paleontologists Find 635-Million-Year-Old Land Fungus-Like Fossils

The 635-million-year-old fungus-like filamentous microfossils from the Doushantuo Formation in China. Image credit: Andrew Czaja, University of Cincinnati.

The 635-million-year-old pyritized fungus-like microfossils found in the Ediacaran-period Doushantuo Formation in China provide direct fossil evidence for the colonization of land by fungi. The 635-million-year-old fungus-like filamentous microfossils from the Doushantuo Formation in China. Image credit: Andrew Czaja, University of Cincinnati. The Ediacaran-period fungus-like fossils were found in...

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BIOLOGY

Naked Mole-Rats Have Colony-Specific Dialects, New Study Shows

The naked mole-rat (Heterocephalus glaber). Image credit: Txan Txunai / CC BY-SA 4.0.

Naked mole-rats (Heterocephalus glaber) form some of the most cooperative groups in the animal kingdom, living in multigenerational colonies under the control of a single breeding queen. Little is known about how individuals within these colonies navigate the many interactions that must occur in such a complex cooperative group. A new study shows that calls emitted by individuals, in particular the...

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PHYSICS

Physicists Precisely Measure Charge Radius of Alpha Particle

The trace of an α particle obtained by the nuclear physicist Wolfhart Willimczik with his spark chamber specially made for α particles.

Using a method called atomic spectroscopy, an international team of physicists has produced a new value for the charge radius of the α particle, the nucleus of the helium-4 atom. The trace of an α particle obtained by the nuclear physicist Wolfhart Willimczik with his spark chamber specially made for α particles. The α particle, the nucleus of the helium-4 (4He) atom, consists of two protons...

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MEDICINE

Drinking Oolong Tea May Help Reduce Body Fat

Ingredients in oolong tea can stimulate fat oxidation. Image credit: Sci-News.com.

In a study published recently in the journal Nutrients, oolong tea and pure caffeine increased fat breakdown by about 20% in the healthy volunteers; oolong tea continued to have an effect while the participants were asleep. Ingredients in oolong tea can stimulate fat oxidation. Image credit: Sci-News.com. The various types of tea produced from a single plant species, Camellia sinensis, are distinguished...

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GENETICS

Scientists Sequence Genome of Rare Parasitic Flowering Plant

Sapria himalayana can found in Southeast Asia. Image credit: Charles Davis / Davis Lab, Harvard University.

An international team of researchers has sequenced and analyzed the genome of Sapria himalayana, a rare holoparasitic flowering plant in the family Rafflesiaceae. Their findings, published in the journal Current Biology, offer a unique perspective into how flowering plant genomes can be altered to fit an extreme form of plant parasitism. Sapria himalayana can found in Southeast Asia. Image credit:...

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GEOLOGY

New Mineral Discovered in United Kingdom: Kernowite

Kernowite (green color). Image credit: The Trustees of the Natural History Museum, London.

Kernowite is a new mineral that has been found only in an old specimen collected at a single location in Cornwall, UK. Kernowite (green color). Image credit: The Trustees of the Natural History Museum, London. The only known specimen of kernowite, named after Kernow which is the Cornish word for Cornwall, was collected in the 1700s. It became part of the Natural History Museum, London’s geological...

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OTHER SCIENCES

Mice Form Memories of Their Mother within Three Days after Birth, Study Shows

Laham et al. show that mice form memories of their mother within days after birth and that these memories persist into adulthood. Image credit: Laham et al., doi: 10.1016/j.celrep.2020.108668.

Mouse pups recognize their caregiving mother and distinguish her from novel mothers as newborns and remember them after up to 100 days apart, according to a new study in the journal Cell Reports. Laham et al. show that mice form memories of their mother within days after birth and that these memories persist into adulthood. Image credit: Laham et al., doi: 10.1016/j.celrep.2020.108668. Some of the...

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