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Star Buzzed Our Solar System during Human Prehistory

Star Buzzed Our Solar System during Human Prehistory

February 21, 2015

The red dwarf star, which has a mass about 8% that of the Sun and is orbited by a ‘brown dwarf’ companion, was discovered in 2013 in images recorded by NASA’s Wide-field Infrared Survey Explorer (WISE) mission. It is relatively nearby, at about 6 parsecs (19.6 light years) away.

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Alien star system buzzed the Sun

Alien star system buzzed the Sun

February 18, 2015

In the paper, astronomers led by Eric Mamajek at the University of Rochester, New York, say they are 98% certain that Scholz’s star travelled through what is known as the “outer Oort Cloud” – a region at the edge of the Solar System filled with trillions of comets a mile or more across.

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Alien star missed us by less than a light-year, scientists say

Alien star missed us by less than a light-year, scientists say

February 18, 2015

Astronomers say a red dwarf star and its brown dwarf companion passed within a light-year of our own sun 70,000 years ago, moving through the comets in the outer reaches of the Oort Cloud that surrounds our solar system.

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Close encounters of the starry kind: Red dwarf passed within just 0.8 light years of our solar system

Close encounters of the starry kind: Red dwarf passed within just 0.8 light years of our solar system

February 18, 2015

Dr Eric Mamajek, an astronomer at the University of Rochester who led the study, said that it is unlikely the star would have caused much disturbance to the scattered icy comets that orbit the outermost reaches of our solar system.

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Five ways to improve your brainpower

Five ways to improve your brainpower

February 15, 2015

It used to be thought that the brain was hardwired and that, unlike other organs, it could not repair itself or restore lost functions once damaged or diseased. Now we know that, in fact, the brain is neuroplastic – that activity and mental experience can be used to change the structure of the connections within it

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Curious monkeys trade ‘prize’ for information

Curious monkeys trade ‘prize’ for information

February 13, 2015

Monkeys have such robust curiosity that they are willing to give up a surprisingly large portion of a potential prize in order to quickly find out if they selected the winning option at a game of chance, new research has found.

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UR joins national sexual assault prevention campaign

UR joins national sexual assault prevention campaign

February 10, 2015

The students’ concerns were evident in the words on the T-shirts worn by some of them involved in the It’s On Us campaign launched Tuesday at the University of Rochester. Emily Sumner’s T-shirt said, “Stop. Ask. Clarify,” in reference to the need of students to have a clear understanding of consent before entering into a sexual relationship.

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E-cigarette vapours can damage lung cells

E-cigarette vapours can damage lung cells

February 9, 2015

A new study by University of Rochester suggests that e-cigarettes are likely to be a toxic replacement for tobacco products. Emissions from e-cigarette aerosols and flavourings damage lung cells by creating harmful free radicals and inflammation in lung tissue.

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TODAY: New study links e-cigarettes to lung cancer (video)

TODAY: New study links e-cigarettes to lung cancer (video)

February 7, 2015

Dr. Natalie Azar reports on recent findings by researchers at the University of Rochester that prove e-cigarettes are not as harmless as they seem.

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Using social media to manage mental health

Using social media to manage mental health

February 6, 2015

Researchers at the University of Rochester are focusing on how social media messages can affect mental health. A new program using the camera on a smartphone or laptop can gauge stress levels for people as they use social media.

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