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The above webcast shows protein synthesis, from a 1971 Stanford University video with Paul Berg (Nobel Laureate – 1980 Nobel Prize for Chemistry and National Medal of Science in 1983). The film does not exactly present the traditional scientist stereotype . It does pretty much ...
Other
Great quotes from Oppenheimer’s recommendation of Richard Feynman
“He is by all odds the most brilliant young physicist here, and everyone knows this. He is a man of thoroughly engaging character and personality, extremely clear, extremely normal in all respects, and an ...
Physical Science
Richard Feynman
Ants That Count!
Most ants get around by leaving smell trails on the forest floor that show other ants how to get home or to food. They squeeze the glands that cover their bodies; those glands release a scent, and the scents in combination create trails the other ants can follow.
That ...
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Interrupting Bacterial Chatter to Thwart Infection
To measure their own numbers, bacteria produce, release, and detect chemical signals called autoinducers. As a population of bacteria grows, it releases more autoinducer into its environment. When individuals detect that a threshold level of ...
Other
The lyre bird, not only mimics the calls of other birds, buy also man made noises such as cameras, saws and chainsaws, in an attempt to impress potential mates. David Attenborough narrates the above clip.
Related: Friday Fun: Bird Using Bait to Fish – Leafhopper Feeding a Gecko ...
Other
Yves Rossy’s attempt to fly 28 km across the the Strait of Gibraltar from Tangier in Morocco to Atlanterra in southern Spain fell short. He did make it about 15 km flying his jetwing before he ditched into the Atlantic. I posted about him before: Jetson Jetplane Over English Channel ...
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The President announces the “ Educate to Innovate ” initiative, a campaign to get students excited about pursuing careers in science, technology, engineering and mathematics. Quotes from President Obama from his speech – (see webcast above):
“As President, I ...
Other
Barack Obama
Good food nation
According to the Centers for Disease Control, between 1980 and 2006 the percentage of obese teenagers in the United States grew from 5 to 18, while the percentage of pre-teens suffering from obesity increased from 7 to 17.
…
Obesity is widespread due to our ...
Physical Science
Columbia
Florence Nightingale: The passionate statistician
She brought about fundamental change in the British military medical system, preventing any such future calamities. To do it, she pioneered a brand-new method for bringing about social change: applied statistics .
…
he statistics ...
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Image of cell size gadget from University of Utah
The Genetic Science Learning Center, University of Utah has a nice web gadget that lets you zoom in on various cells to see how large they are compared to each other. Above see a red blood cell, x chromosome, baker’s yeast and (small) ...
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Engineering careers with experiences
Engineers are terribly misunderstood. Which might be one reason 85 percent of kids say “no way” to an engineering career. “The stereotype of the engineer is just wrong,” says Warren Miller, a retired Florida engineer who e-mailed me ...
Other
Is less always more? by Dave Munger
shoppers with just a few flavors of jam to choose from are more likely to buy than those given dozens of options (including the original choices). It’s as if we’re paralyzed when we have a large number of options to choose from, and so we end up ...
Other
Young engineer launches stair aid by Geoff Adams-Spink
A young woman from Sheffield has turned a GCSE coursework project into an award-winning stair-climbing device for older and disabled people. Ruth Amos has launched her StairSteady handrail at Naidex 2008 – the annual ...
Other
Explained: RNA interference
Every high school biology student learns the basics of how genes are expressed: DNA, the cell’s master information keeper, is copied into messenger RNA, which carries protein-building instructions to the ribosome, the part of the cell where proteins are assembled. ...
Other
Open access paper: Migration of Contaminated Soil and Airborne Particulates to Indoor Dust .
Indoor dust is a mixture of soil tracked into a residence, particulate matter derived from ambient outdoor air, and importantly, organic matter. Indoor dust is about 40% organic matter by weight in ...
Other
This webcast shows iRobot’s ( Romba maker ) prototypes for soft flexible robots. The robot uses “jamming” to morph the body which allows animal like locomotion and the ability to reshape the body to squeeze through small and difficult to navigate locations.
Related: ...
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Energy Secretary Steve Chu (and Nobel Laureate ) speaks with Google CEO Eric Schmidt about science research. One of the things Steve Chu is doing is funding high risk experiments that have great potential. This is something that is often said should be done but then people resort to safe ...
Other
UCLA Professor Aydogan Ozcan ’s invention (LUCAS) enables rapid counting and imaging of cells without using any lenses even within a working cell phone device. He placed cells directly on the imaging sensor of a cell phone. The imaging sensor captures a holographic image of the ...
Other
Engineering leadership education is emerging as a topic in engineering institutions worldwide. But the review of international “best practices” in engineering leadership education says a lack of resources, expertise, and formal networks in the nascent field is causing concern in a ...
