June 13th, 2013
pejmanyousefzadeh

kqedscience:

New Human Body Part Discovered

“The newest addition to human anatomy is just 15 microns thick, but its discovery will make eye surgery safer and simpler. Harminder Dua, a professor at the University of Nottingham, recently found a new layer in the human cornea, and he’s calling it…can you guess?”

Reblogged from KQEDScience
May 18th, 2013
pejmanyousefzadeh

kqedscience:

This Bacterium Can Do Division, Compute Logarithms And Take Square Roots

A group of engineers from MIT have created analog calculators out of living cells, according to a paper published online in Nature yesterday. By tweaking the genes of bacterial cells, the researchers were able to create circuits that can perform calculations—including division, multiplication, logarithms and square roots—in a much more efficient way than many existing biocomputers.”

Reblogged from KQEDScience
May 15th, 2013
pejmanyousefzadeh

Find Friends and Find Them Quickly

Because loneliness might be lethal:

Just as we once knew that infectious diseases killed, but didn’t know that germs spread them, we’ve known intuitively that loneliness hastens death, but haven’t been able to explain how. Psychobiologists can now show that loneliness sends misleading hormonal signals, rejiggers the molecules on genes that govern behavior, and wrenches a slew of other systems out of whack. They have proved that long-lasting loneliness not only makes you sick; it can kill you. Emotional isolation is ranked as high a risk factor for mortality as smoking. A partial list of the physical diseases thought to be caused or exacerbated by loneliness would include Alzheimer’s, obesity, diabetes, high blood pressure, heart disease, neurodegenerative diseases, and even cancer—tumors can metastasize faster in lonely people.

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