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Machines Like Us

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Within each strand of DNA lies the blueprint for building an organism, along with the keys to its evolution and survival. These genetic instructions can give valuable insight into why pathogens like...
What's one of your worst memories? How did it make you feel? According to psychologists, remembering the emotions felt during a negative personal experience, such as how sad you were or how...
A team of astronomers that includes Penn State scientists has discovered the first Earth-size planet orbiting a star in the "habitable zone"—the distance from a star where liquid water might pool on...
All the particles we know to exist make up only about five per cent of the mass and energy of the universe. The rest – “Dark Matter” and “Dark Energy” – remains mysterious. A European collaboration...
Like a balloon bobbing along in the air while tied to a child's hand, a tracer has been found in the sun's atmosphere to help track the flow of material coursing underneath the sun's surface. New...
A major challenge of systems biology is understanding how phenomena at the cellular scale correlate with activity at the organism level. A concerted effort has been made especially in the brain, as...
The cause of neuronal death in Parkinson's disease is still unknown, but a new study proposes that neurons may be mistaken for foreign invaders and killed by the person's own immune system, similar...
A Northwestern University synthetic biology team has created a new technology for modifying human cells to create programmable therapeutics that could travel the body and selectively target cancer...
Telling science stories often involves explaining complex interactions between a cast of molecular “actors," on a set smaller than the wavelength of light, so scientists are increasingly using...
Inexpensive computers, cell phones and other systems that substitute flexible plastic for silicon chips may be one step closer to reality, thanks to research published on April 16 in the journal...

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