Okay, think of the most populated city in the United States. What images come to mide? Lots of tall skyscrapers. Millions of people huddled and massed, walking down busy side walks? Lots of cars and trucks honking and blaring 24 hours a day? Hardly sounds...
Urban Forestry
Think about your last visit to your neighborhood park. Did you notice the green grass and tall trees? Well, depending on where you live, your park may include many trees scattered across the landscape. Here in the Midwest, tree lined entrances are...
Urban Wildlife and Human Interactions
Monday, December 24 2007 USA Today reports:Anchorage, Alaska - The Army restricted recreational activities at Fort Richardson because of recent wolf attacks on dogs. All training areas west and north of the Artillery Road area are off limits. Three women...
What my name means
Okay, I attended a workshop: Certified Interpretive Guide Training. It is training presented by the National Association for Interpreters. The Association and the training is designed for anyone interested in enhancing their skills to present natural...
Physical sciences news, 12/17/07-12/23/07
Gamma-ray burstsThere are several types of gamma-ray events that go under the name of "gamma-ray bursts", but the two main categories are "long" and "short" – referring to the duration of the burst. Long bursts have been generally attributed to very...
More on whale ancestry
Here's more coverage about whale ancestors. It's also a quick reader. Content-wise it's better for college students and advanced high school curriculum. This one was posted on the National Science Foundation's News Line. here. The story appears in...
FoxO transcription factors
Transcription factors are proteins that help regulate genes. This regulation may involve either enabling the expression of a gene or preventing expression. In the first case, the transcription factor is an "activator", and in the second case a "repressor"....
Fox-sized deer is whale's closet relative
Credit and Larger VersionOkay, I had to share this reader as well. Online (and perhaps print, too) Scientific American announces that the world's largest mammal - the whale - is most closely related to a . No kidding. Check out the quick read here.Share...
Nucleus is for Us
Okay, I'm cheesy and nerdy. But I love this one-page reader all about the Nuclues: Journey to the center of the cell. I came across it in Science Magazine. It's a perfect little punch about what the nuclues is. And it gives teasers and links to other...
Physical sciences news, 12/10/07-12/16/07
Milky WayStars occupying regions above and below the disk of a spiral galaxy like the Milky Way are said to be in the galaxy's halo. In our own galaxy it turns out that there are two distinct halo regions, and they are rotating in opposite directions.•...
P53, a versatile gene
P53 is well-known for its role in regulating the cell cycle so as to suspend the cycle or even lead to cell death via apoptosis in case damage to a cell's DNA is detected. This function is especially important in forestalling cancer. And as we noted...
Ultra-high energy cosmic rays.
I'm just trying to catch up on interesting science news of the past few weeks, and what happens? I pick a topic that seems to have had significant new developments and is also straightforward enough for a relatively brief post. But instead of something...
Physical sciences news, 12/3/07-12/9/07
Active galaxiesJets of high-energy particles are produced by a variety of astronomical objects. The largest example of this phenomenon has been discovered in the active galaxy CGCG 049-033.• Intergalactic particle beam is longest yet found• A Million...
Messier 74 - NGC 628
NASA/ESA Hubble Space Telescope image of the nearby spiral galaxy Messier 74 (11/29/07)In the new Hubble image we can also see a smattering of bright pink regions decorating the spiral arms. These are huge, relatively short-lived, clouds of hydrogen...
Social Learning and Promoting Sustainability
I'm sharing information I have come across on ECOLOG - an online ecology listserve.Dear colleagues,The policies being used to address ecological issues around the concept ofsustainability increasingly demonstrate how their impact goes beyond theenvironment...
Physical sciences news, 11/26/07-12/2/07
Climate changeTo the surprise of practically nobody except climate change denialists, levels of CO2 in the atmosphere continued to increase in 2006 to new record levels. And Scientific American comes up with a nice suite of several articles (two listed...
Philosophia Naturalis #15 has been published
Sam Wise at Sorting Out Science has put together a great collection of posts. It's a wonderful look at a number of different viewpoints on a lot of recent news in the physical sciences. Thanks, Sam.You can find links to all previous editions of the carnival,...
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