Uncategorized
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Grade-Schoolers Grow into Sleep Loss
By the sixth grade, many middle-class children may experience substantial sleep deprivation that has the potential to interfere with their ability to learn and pay attention.
- Physics
Motor design flouts physical law
A proposed silicon device the size of a red blood cell would transform random thermal motion into useful mechanical power in violation of the second law of thermodynamics, its designers claim.
- Materials Science
Knitting with nanotubes
Researchers can draw fine yarns of carbon nanotubes from a reservoir of the microscopic cylinders.
- Humans
From the May 17, 1930, issue
POLISH RHINOCEROS One of the most interesting of recent finds in paleontology has been the complete carcass of a Pleistocene rhinoceros, unearthed in an abandoned mine in the Starunia region in Poland.
