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“Youth is a wonderful thing,” George Bernard Shaw once said. “What a crime to waste it on children.” Humor aside, recent research suggests that youthful energy may not be “wasted” after all. Through social interactions alone, the young can pass some of their vigor on to the elderly, improving the older generation’s cognitive abilities and vascular health and even increasing their Life span. Although researchers have documented these benefits in mammals, such as rats, guinea pigs and nonhuman primates, the reason for the effect has remained unclear. Now biologist Chun-Fang Wu of the University of Iowa offers a genetic explanation in the May 27 issue of the Proceedings of the National Academy of Sciences. Wu and graduate student Hongyu Ruan found that the presence of youthful, active fruit flies doubled the Life span of a group of flies with a mutation in Sod1, a gene that has been linked in humans to Alzheimer’s disease and amyotrophic lateral sclerosis (ALS), a motor-neuron disorder also known as Lou Gehrig’s disease. [More] ...
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tags: Harry Potter and the Half-Blood Prince , movie posters , poster teasers Which Harry Potter and the Half-Blood Prince poster is your favorite? After you've seen them all (I've found ten so far), I am going to ask you to vote for your favorite! Read the rest of this post... | Read the comments on this post... ...
tags: racehorses , Genuine Risk , Kentucky Derby , horse racing , streaming video Genuine Risk, pictured at age 30, was the oldest living Kentucky Derby winner. She was living at the Newstead Farm in Upperville, Va. when she died. Image: Carol T. Powers for The New York Times. The bright chestnut filly named Genuine Risk thrilled me when she won the Kentucky Derby in 1980 with commanding style. Not only did she win, but she ran the last quarter mile of the race faster than any other horse ever had, except the amazing Secretariat, who went on to win the Triple Crown of American horseracing in 1973. This morning, Genuine Risk, who was the oldest living Kentucky Derby winner, died at the ripe old age of 31. [Video of Genuine Risk's Kentucky Derby victory is below the fold; 2:45]. Read the rest of this post... | Read the comments on this post... ...
tags: Eurasian blue tit , Cyanistes caeruleus , birds , nature , Image of the Day This Eurasian Blue Tit, Cyanistes caeruleus , is from the photographer's ancestral village of Rintoul, near Kinross, which is north of the Firth of Forth, about 20 miles from Edinburgh, Scotland. Image: Dave Rintoul, August 2008. Read the comments on this post... ...
tags: West 66th street/Lincoln Center Subway Art , Artemis, Acrobats, Divas and Dancers , subway art , NYC through my eye , photography , NYC Artemis, Acrobats, Divas and Dancers. Artist: Nancy Spero, 1999. Installed 2004. West 66th Street/Lincoln Center Subway tile mosaic art #44 as seen at NYC's Lincoln Center stop at Broadway for the uptown (northbound) 1 train. Image: GrrlScientist 2008 [ larger view ]. Glass mosaic murals depicting scenes of theater, dance, and orchestra-related subjects are scattered throughout this station. Read the rest of this post... | Read the comments on this post... ...
tags: Long-billed Curlew , Numenius americanus , birds , nature , Image of the Day Long-billed Curlew, Numenius americanus , at Bolivar Flats, Texas. Image: Joseph Kennedy , 25 July 2008 [ larger view ]. Nikon D200, Kowa 883 telescope TSN-PZ camera eyepiece 1/2000s f/8.0 at 1000.0mm iso400. Read the comments on this post... ...
tags: Harry Potter news , Harry Potter and the Half-Blood Prince , poster teasers The sixth Harry Potter film, Harry Potter and the Half-Blood Prince , was supposed to be released 21 November 2008, but Warner Brothers film studios announced yesterday that the film's release has been delayed until 17 July 2009, due to a corporate brain fart. Despite this disappointing news, the winning movie poster was chosen by my readers anyway (see above). Read the rest of this post... | Read the comments on this post... ...
tags: West 66th street/Lincoln Center Subway Art , Artemis, Acrobats, Divas and Dancers , subway art , NYC through my eye , photography , NYC Artemis, Acrobats, Divas and Dancers. Artist: Nancy Spero, 1999. Installed 2004. West 66th Street/Lincoln Center Subway tile mosaic art #36 [detail 2] as seen at NYC's Lincoln Center stop at Broadway for the uptown (northbound) 1 train. Image: GrrlScientist 2008 [ larger view ]. Glass mosaic murals depicting scenes of theater, dance, and orchestra-related subjects are scattered throughout this station. Read the rest of this post... | Read the comments on this post... ...
Okay, as promised, here is my weekly Open Thread where I celebrate you, my readers, by chatting about anything that's on your minds. For example, is there a current event that you wish would receive more news coverage? Is there a particular feature you'd like this blog to have? Have you read a book or watched a movie you want to recommend to us? Do you have a question that you wish to ask? Did you recently do something that, as a kid, you swore you'd never do? Did you just meet the love of your Life? Did you go jogging at midnight with your underwear on your head? Are you a lurker who has never commented on a blog before? If so, I am especially interested to read what you have to say. Basically, I am interested to read anything that you'd like to share. Well, mostly anything. Read the rest of this post... | Read the comments on this post... ...
tags: Long-billed Curlew , Numenius americanus , birds , nature , Image of the Day Long-billed Curlew, Numenius americanus , at Bolivar Flats, Texas. Image: Joseph Kennedy , 25 July 2008 [ larger view ]. Nikon D200, Kowa 883 telescope TSN-PZ camera eyepiece 1/1600s f/8.0 at 1000.0mm iso400. Read the comments on this post... ...
Buckingham Palace Gate with coat of arms, London, May 2005. Image: Dickbauch (Wikipedia). I am a panelist at a one day conference being held in London, England. This conference focuses on the value of blogs to the public, to science and to scientists, and is being held at the Royal Institution of Great Britain on 30 August 2008. My fellow panelists are Jennifer Rohn, editor at LabLit.com and Anna Kushnir, who works for Nature Network Boston and writes the blog, Lab Life . The panel moderator is my friend and ScienceBlogs colleague who lives in London, Mo . I need your help as I work on my contribution to this meeting, so I am asking you a series of questions I'd like you to respond to. The next questions in this series are; Have you experienced resistance to science blogging within the Scientific community? Why? What are scientists' perceptions of science blogging? Read the comments on this post... ...
My companion parrot, Elektra, a female Solomon Islands Eclectus parrot, Eclectus roratus solomonensis . Image: GrrlScientist 3 April 2008 [ larger view ]. Sometime today (probably while I was cleaning up after my parrots), this blog received its two millionth visitor! Thank you everyone! Read the comments on this post... ...
tags: American Avocet , Recurvirostra americana , birds , nature , Image of the Day Reflection . American Avocet, Recurvirostra americana , at Bolivar Flats, Texas. Image: Joseph Kennedy , 20 July 2007 [ larger view ]. Nikon D200, Kowa 883 telescope with TSN-PZ camera eyepiece 1/1000s f/8.0 at 500.0mm iso400. Read the comments on this post... ...
tags: American Avocet , Recurvirostra americana , birds , nature , Image of the Day American Avocet, Recurvirostra americana , in flight over Bolivar Flats, Texas. Image: Joseph Kennedy , 13 April 2008 [ larger view ]. Nikon D200, Kowa 883 telescope with TSN-PZ camera eyepiece 1/1000s f/8.0 at 1000.0mm iso400. Read the comments on this post... ...
tags: West 66th street/Lincoln Center Subway Art , Artemis, Acrobats, Divas and Dancers , subway art , NYC through my eye , photography , NYC Artemis, Acrobats, Divas and Dancers. Artist: Nancy Spero, 1999. Installed 2004. West 66th Street/Lincoln Center Subway tile mosaic art #31 as seen at NYC's Lincoln Center stop at Broadway for the uptown (northbound) 1 train. Image: GrrlScientist 2008 [ larger view ]. Glass mosaic murals depicting scenes of theater, dance, and orchestra-related subjects are scattered throughout this station. Read the rest of this post... | Read the comments on this post... ...
tags: Red-Crowned Amazon Parrot , Amazona viridigenalis , birds , nature , Image of the Day Red-crowned Amazon parrot, Amazona viridigenalis , at Elizabeth Street Parrotry, Brownsville, Texas. Image: Joseph Kennedy , 7 April 2008 [ larger view ]. Nikon D200, Kowa 883 telescope TSN-PZ camera eyepiece 1/750s f/8.0 at 1000.0mm iso400. Read the comments on this post... ...
tags: bpr3.org/?p=52 , premature hair graying , autosomal dominant trait , genetics , horses , hair color , syntaxin-17 , melanocortin-1 receptor , cis-acting regulatory mutation , melanoma , evolution This horse is in the process of losing its pigment. It will end up being all white by the time it is eight years old. Image: Horse Wallpaper [ larger view ]. Even though I have always been a fan of black horses, my heart did leap at the sight of the noble Shadowfax racing towards Gandalf in response to his call in the Lord of the Rings . White horses have symbolized purity throughout most ages and cultures, so political leaders have often been portrayed astride a white horse. Interestingly, these so-called white horses are actually Gray. White horses have pink skin and blue eyes. Gray horses are typically born black, bay or chestnut in color but rapidly lose all hair pigmentation as they age, ending up completely white by the time they are eight years old. Meanwhile, their skin remains black and their eyes are typically dark, giving a silvery or grey cast to their seeming snowy-whiteness. This popular coat color results from an autosomal dominant mutation to a gene that was just identified by a research team at Uppsala University in Sweden. Unfortunately, this coat color is also linked to an increased risk of developing a specific form of cancer: melanoma. Thus, this finding has important implications for human medical research. Rea ...
William Smith's geological map of Britain published in 1815. Image: R Cashman (Copyright expired because copyright laws applies to the United States, Canada, the European Union and those countries with a copyright term of Life of the author plus 70 years [ larger view ]. The day before the Science Blogging meeting, a bunch of us are getting together to see some things, courtesy of the NATURE peeps, who are guiding this little touring event. Here's Friday's itinerary (29 August) for you to peruse; Read the rest of this post... | Read the comments on this post... ...