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![Grasslands survival scenarios can give memory a boost. [Image Credit: Wellcome Library, London. Wellcome Images W0011158.]](http://www.scienceline.org/wp-content/uploads/2010/01/ross-image-160x90.jpg)
How to Build a Living Machine
A molecular biologist gives a common organism a remarkable skill using man-made genes
![Driving a Prius might reduce your carbon footprint, but by how much? Online calculators disagree. [Image credit: Beige Alert, Flickr.com]](http://www.scienceline.org/wp-content/uploads/2010/01/PeekBlogArt2-160x90.jpg)
How Well Do Carbon Footprint Calculators Estimate Your Impact?
Comparing nine online surveys reveals some discrepancies
Ever Wondered How Astronomers Search for Habitable Alien Worlds?
If other planets like Earth exist, they are light-years away, but that doesn’t stop scientists from looking
![A giant flower beetle wears a backpack of electronic implants that allow researchers to wirelessly control its flight [Credit: Hirotaka Sato and Michel Maharbiz, University of California, Berkeley]](http://www.scienceline.org/wp-content/uploads/2010/01/BeetleBackpack2-160x90.jpg)
Bionic Bugs
The Defense Department’s attempts to merge insects and electronics are benefiting science more than the military
Getting Scientific With Psychotherapy
Science-based accrediting system emerges in clinical psychology
How can high altitude climbers survive with so little oxygen?
In their quest for world’s tallest peaks, many climbers use a drug to manipulate the acid-base chemistry in their bodies
![The right ski coating and wax can mean a win or a long ride home. [Credit: David Erhinger]](http://www.scienceline.org/wp-content/uploads/2010/01/SkiBlog_art2-160x90.jpg)
Skiing Faster Than Ever
Just in time for the 2010 Winter Olympics, researchers are experimenting with different ski coatings and waxes to determine the perfect combination for faster skiing.
![University of Washington electrical engineers demonstrate a circuit that runs entirely off tree power [Credit: Dustin Schroeder, University of Washington]](http://www.scienceline.org/wp-content/uploads/2010/01/electric-trees-160x90.jpg)
The Shocking Truth: Trees are Electric
New circuits tap into electric currents generated by bigleaf maple trees
