About Dave Goff
12 views | +0 today
Your new post is loading...
Your new post is loading...
Rescooped by Dave Goff from Business Improvement

Must-Do Checks Before Launching A New Website

Must-Do Checks Before Launching A New Website | About Dave Goff | Scoop.it
Website Launch Checklist: Top Must- Do Checks Before Launching Your Website! Ultimate things to consider before launching a new website - from user interface to call-to-action

Via Daniel Watson
Daniel Watson's curator insight, May 26, 2017 2:13 AM


Designing, building and launching a new website is a significant challenge for any business. To ensure that you obtain the best outcome for your effort, it pays to conduct comprehensive pre-launch checks, before setting your website live. This article provides great guidance, in the form of a checklist, that details the key elements to tick off before your launch.

Diva Ventures Best Blogs's curator insight, May 30, 2017 10:47 PM

Must-Do Checks Before Launching A New Website. Check and recheck and remember you have a nano second to grab visitors who land at your website.

Rescooped by Dave Goff from sociology of the Web

Over 200 Art Books Are Now Free to Download and Read from Open Culture via Educators' Technology

Over 200 Art Books Are Now Free to Download and Read from Open Culture via Educators' Technology | About Dave Goff | Scoop.it
Free resource of educational web tools, 21st century skills, tips and tutorials on how teachers and students integrate technology into education

Via Tom D'Amico (@TDOttawa) , nukem777
GwynethJones's curator insight, April 30, 2017 11:17 PM

FREE Art Books? Yes, Please!

Sandy Schuler's curator insight, May 1, 2017 9:21 AM
Great resource.
Rescooped by Dave Goff from Amazing Science

Dog family tree reveals hidden history of canine diversity created by humans

Dog family tree reveals hidden history of canine diversity created by humans | About Dave Goff | Scoop.it
Genetic map showing how dog breeds are related provides a wealth of information about their origins.


What a tangled web humans have weaved for domestic dog breeds. A new family tree of dogs containing more than 160 breeds reveals the hidden history of man’s best friend, and even hints how studying canine genomes might help with research into human disease.

In a study published on 25 April 2017 in Cell Reports, scientists examined the genomes of 1,346 dogs to create one of the most diverse maps produced so far tracing the relationship between breeds1. The map shows the types of dog that people crossed to create modern breeds and reveals that canines bred to perform similar functions, such as working and herding dogs, don't necessarily share the same origins. The analysis even hints at an ancient type of dog that could have come over to the Americas with people thousands of years before Christopher Columbus arrived in the New World.


The new work could come as a surprise to owners and breeders who are familiar with how dogs are grouped into categories. “You would think that all working dogs or all herding dogs are related, but that isn’t the case,” says Heidi Parker, a biologist at the US National Institutes of Health (NIH) in Bethesda, Maryland, and a study author.


When geneticists tried to map out herding-dog lineages in the past, they couldn’t do so accurately. Parker and Elaine Ostrander, also a biologist at the NIH and a study author, say that this was because herding dogs emerged through selective breeding at multiple times and in many different places. “In retrospect, that makes sense,” says Ostrander. “What qualities you’d want in a dog that herds bison are different from mountain goats, which are different from sheep, and so on.”


Most of the breeds in the study arose from dog groups that originated in Europe and Asia. But domestic dogs came to the Americas thousands of years ago, when people crossed the Bering land bridge linking Alaska and Siberia. These New World dogs later disappeared when European and Asian dogs arrived in the Americas. Researchers have looked for the genetic legacy of these ancient canines in the DNA of modern American breeds, but have found little evidence until now.


The way that two South American breeds, the Peruvian hairless dog and the Xoloitzcuintli, clustered together on the family tree suggested to Ostrander and Parker that those animals could share genes not found in any of the other breeds in their analysis. Parker thinks that those genes could have come from dogs that were present in the Americas before Columbus’s arrival. “I think our view of the formation of modern dog breeds has historically been one-dimensional,” says Bob Wayne, an evolutionary biologist at the University of California, Los Angeles. “We didn’t consider that the process has a deep historical legacy.”


That extends to what was probably the first period of domestication for canines in hunter-gatherer times. Ostrander and Parker think that dog breeds underwent two major periods of diversification. Thousands of years ago, dogs were selected for their skills, whereas a few hundred years ago, the animals were bred for physical traits. “You would never be able to find something like this with cows or cats,” says Wayne, “We haven’t done this kind of intense deliberate breeding with anything but dogs.”

Via Dr. Stefan Gruenwald
No comment yet.
Rescooped by Dave Goff from Learning & Technology News

Paper Vs. Screen—Does It Matter Anymore?

Paper Vs. Screen—Does It Matter Anymore? | About Dave Goff | Scoop.it

Until the 11th century, people wrote text without spaces between the words. Gutenberg’s printing press changed that standard, and we can expect to see even more changes in the future.

Via Nik Peachey
Gilbert C FAURE's curator insight, December 10, 2013 5:13 AM

screens near you

Nataliasterns's curator insight, December 10, 2013 3:30 PM

la lectura se ha transformado?

jgarate's curator insight, December 11, 2013 3:05 AM

buen resumen de ideas y estudios sobre el tema