Saturday 7 February 2015

Pale Blue Dot Clean Posters

Here's a great poster featuring a beautiful image from deep space


tagged with: pale, blue, dot, space, astronomy, earth

The pixelation from the hubble scope are cleaned up in this one to look a little more wall art friendly.

»visit the Juel_Andrea store for more designs and products like this
Click to customize with size, paper type etc.
via Zazzle Astronomy market place

Tool-making may have made language genes more useful

Science Focus

original post »

It’s widely understood that human genetics can influence culture, but increasingly, the idea that culture can also affect genetics is gaining ground. The theory of gene-culture coevolution suggests that “the cultural practices we adopt change the costs and benefits of having certain genes,” explains Catharine Cross, a researcher at the University of St Andrews. “A gene that is advantageous under one cultural practice is not necessarily advantageous under another.”

For example, yam cultivation in West Africa led to deforestation and an increase in standing water, which creates a breeding ground for mosquitoes and malaria. This meant that yam farmers with a particular genetic resistance to malaria were more likely to survive than farmers with susceptibility to malaria. Yam farmers in the region have been found to have a higher incidence of this genetic trait than nearby groups—even speakers of the same language—who farm other crops.

A recent study published in Nature Communications has suggested that stone tool-making practices among the ancestors of modern humans may have put evolutionary pressure on individuals who weren’t very good at communicating, helping to select for the genes that would become involved in language. The study found that the use of verbal teaching, compared to learning by imitation, significantly improved the quality and speed production of stone tools. This suggests that individuals with gestural or verbal communication skills could have learned to make tools faster and better, giving them an advantage over individuals who could only imitate.

Read 11 remaining paragraphs | Comments

 
#science 
 » see original post http://feeds.arstechnica.com/~r/arstechnica/science/~3/r6QYI3Od-7M/
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Study finds possible alternative explanation for dark energy

Science Focus

original post »

Dark energy is an unknown form of energy that is proposed to drive the accelerated expansion of the

The post Study finds possible alternative explanation for dark energy has been published on Technology Org.

 
#physics 
 » see original post http://feedproxy.google.com/~r/TechnologyOrgPhysicsNews/~3/TNt_invfa7k/
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VIDEO: Hawking on internet and humans' fate

Science Focus

original post »
Professor Stephen Hawking talks to the BBC's Rory Cellan-Jones about the power modern technology has to transform our lives. 
#science 
 » see original post http://www.bbc.co.uk/news/technology-30299992#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa
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An Aurora of Marbles

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It looks like a fine collection of aggies. But this grid of embedded swirls and streaks actually follows the dramatic development of planet Earth's auroral substorms. The sequence of over 600 horizon-to-horizon fisheye images was taken over a 2 hour period near the artic circle in March of 2012 from Lapland, northern Sweden. It begins at upper left in evening twilight and ends at lower right, covering two activity peaks with bright coronae forming overhead. While exploring space between Earth and Moon, NASA's fleet of THEMIS spacecraft discovered that these explosions of auroral activity are driven by sudden releases of energy in the Earth's magnetosphere. Even if you're not playing for keepsies, you can follow this link to check out the sequence in a full timelapse video (vimeo).
Tomorrow's picture: interstellar dust monster
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Zazzle Space Gifts for young and old

Purple Galaxy Cluster Case-Mate Case Case For iPad Air

Here's a great iPad case from Zazzle featuring a Hubble-related design. Maybe you'd like to see your name on it? Click to personalize and see what it's like!


tagged with: blue, purple, nasa, hubble, space, images, galaxy, cluster, macs, j0717, stars, pretty, galaxies, macsj0717

Galaxy Cluster MACS J0717 thanks to NASA and Hubble program.

»visit the annaleeblysse store for more designs and products like this
The Zazzle Promise: We promise 100% satisfaction. If you don't absolutely love it, we'll take it back!

Levels of ’Molly,’ aka ecstasy, spike in rivers near music festival

original post »

The illicit drug called “Molly” or ecstasy is a serious concern for parents, law enforcement and now for

The post Levels of ’Molly,’ aka ecstasy, spike in rivers near music festival has been published on Technology Org.

 
#materials 
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2014 ORBITAL CALENDAR: Solar System Poster

Here's a great poster featuring a beautiful image from deep space


tagged with: astronomy poster, circular calendar, phases of the moon, spacetime, calendar cycles, timespace

Astronomy Science Poster EARTH-MOON w/ SOLAR SYSTEM ~ Your Year In Space! ~ Astronomically-correct TimeSpace, MILKY WAY Galaxy in background Perfect for S.T.E.M Education: TEACH astronomy in a flash... . ...from Earth to Moon to Sun, celestial math. Use Dry Erase markers to add your data, meteor showers, study cycles, National Calendar Awards for: Most Original, Most Educational Best Graphic Design

»visit the Celestial_Dynamics store for more designs and products like this
Click to customize with size, paper type etc.
via Zazzle Astronomy market place

Helix Nebula Wall Skins

Here's a great wall decal featuring a beautiful image from deep space


tagged with: le0052, nasa, etoiles, les etoiles, astronomy, science, spitzer, space, nebula, scientific, outer space, deep space, sky, nebulae, sst, spitzer telescope, helix, planetary, infrared, spitzer space telescope, teal, turquoise, blue, green, red, eye, beautiful, pretty, strange, eerie, celestial

"This infrared image from NASA's Spitzer Space Telescope shows the Helix nebula, a cosmic starlet often photographed by amateur astronomers for its vivid colors and eerie resemblance to a giant eye.

"The nebula, located about 700 light-years away in the constellation Aquarius, belongs to a class of objects called planetary nebulae. Discovered in the 18th century, these cosmic butterflies were named for their resemblance to gas-giant planets.

"In Spitzer's infrared view of the Helix nebula, the eye looks more like that of a green monster's. Infrared light from the outer gaseous layers is represented in blues and greens. The white dwarf is visible as a tiny white dot in the center of the picture. The red color in the middle of the eye denotes the final layers of gas blown out when the star died."

Read more at the JPL/Spitzer website.

Image credit: NASA/JPL-Caltech/K. Su (Univ. of Ariz.)

»visit the les_etoiles store for more designs and products like this
Click to customize.
via Zazzle Astronomy market place