Search Results for: label/Ryan North
-
Biology Explainer: The big 4 building blocks of life–carbohydrates, fats, proteins, and nucleic acids
…molecules themselves break down into a surprisingly small number of building blocks. The proteins that make up all of the living things on this planet and ensure their appropriate structure and smooth function consist of only 20 different kinds of building blocks. Nucleic acids, specifically DNA, are even more basic: only four different kinds of molecules provide the materials to build the countless different genetic codes that translate into all…
Authored by Emily Willingham on June 8, 2012
-
Survival is Gendered, According to Scholastic
…or at least help you cope with injuries (forest fires, flash floods, snakebites, etc.). Not all of these are likely to be experienced (such as polar bear attack), but at least they could happen. The score: “boys” 22, “girls” 0. Survival skills for science fiction or fantasy scenarios, which are fun, but will never happen in real life (ghost attack, vampire attack, dinosaur attack, etc.). The score: “boys” 4,…
Authored by Matthew R Francis on June 14, 2012
-
To Everything (Turn Turn Turn) There is a Season
Today – June 20 – is the northern Summer Solstice, sometimes known as the Northern Solstice, “first day of summer”, or Midsummer’s Day, depending on where you live. It’s the longest day and shortest night of the year in the northern hemisphere (where I live), though exactly how long or short depends on how far north you live. And of course in the southern hemisphere, today is is the shortest day and longest night, since the seasons a…
Authored by Matthew R Francis on June 20, 2012
-
After Newtown missteps, journalists get guidelines
…almost twice as likely to say that they don’t want to live or work near a person with mental illness if they read an article about a person with mental illness involved in a mass shooting, according to a study published March 20 in the American Journal of Psychiatry. Interestingly, this tendency is the same even if the article avoids any mention of mental illness. This may be because this link between violence and mental illness is deeply engrain…
Authored by DXS Contributor on March 27, 2013
-
Double X Science panel at GeekGirlCon 2012
Double X Science is without discussing who it is. After a review of who all the people on that particular slide are and what they have to do with Double X Science, three questions were asked by the moderator: In November of 2011, Emily founded Double X Science, Emily what was your motivation in founding the site and what was then and is now your vision for it? As mentioned, we have content from editors, other sites and contributors. Ray was the…
Authored by Adrienne Roehrich on August 14, 2012
-
Anorexia nervosa, neurobiology, and family-based treatment
sume eating. If they were still alive. Bruch’s observations dictated eating-disorders treatments for decades, treatments that led to spectacularly ineffective results. Only about 35% of people with anorexia recovered; another 20% died, of starvation or suicide; and the rest lived with some level of chronic illness for the rest of their lives. Not a great track record, overall, and especially devastating for women, who suffer from anorexia at a ra…
Authored by Jeanne Garbarino on August 10, 2012
-
Double Xpression: Karyn Traphagen, co-founder of ScienceOnline
…llenbosch (South Africa). She has trained physics teachers through the University of Virginia’s Physics department and traveled to South Sudan to conduct professional development training for local teachers. She has more than 10 years of experience developing and teaching online courses. In addition to her science work, Karyn maintains a freelance graphic design studio. Her latest project was a work on Ancient Near Eastern royal inscriptions….
Authored by Jeanne Garbarino on July 9, 2012
-
Yvonne Brill: she made the satellite revolution possible
…;t be more different. Yet both theoretical physics and rocket science are creative endeavors, and their best practitioners change the way we explore our Universe. So it was with rocket engineer Yvonne Brill, who died on March 28, 2013 at age 88. She held the patent on the “dual thrust level monopropellant spacecraft propulsion system,” a complicated name for an extremely important invention. Basically, Brill found a way to use a single type of ro…
Authored by Matthew R Francis on April 9, 2013
-
Is the bar high enough for screening breast ultrasounds for breast cancer?
…n controversial. What’s new is the “Are You Dense?” patient movement and legislation to inform women that they have dense breasts. Merits and pitfalls of device approval The approval of breast ultrasound hinges on a study of 200 women with dense breast evaluated retrospectively at 13 sites across the United States with mammography and ultrasound. The study showed a statistically significant increase in breast cancer detection when ultrasound was…
Authored by Emily Willingham on September 21, 2012
-
Autism and the DSM-5
…ial social aspect of this change, and the one thing that might, when it comes to autism, elevate the DSM-5 above the level of doorstop. [Image credit: Dave Bullock, UK, via Wikimedia Commons under Creative Commons Attribution 2.0 generic license.]…
Authored by Emily Willingham on April 23, 2013
