Uncategorized
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Materials Science
Nanostructures mimic Inuit stone sculptures
Chemists have created nanoscale versions Inuit rock sculptures, an advance that could facilitate the development of next-generation sensors and electronic devices.
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Health & Medicine
Hepatitis B link to cancer is clarified
A kind of hepatitis B called genotype C is more likely to lead to liver cancer than are other genotypes of the hepatitis virus.
By Nathan Seppa -
Tech
Silicon chips land a lasting laser
The first microchip-size silicon lasers promise to boost the maximum speeds of ordinary computers and electronic gadgets.
By Peter Weiss -
Tech
Remembering, on the cheap
A new type of cheap plastic memory bit that stays set even when electrical power is off could facilitate the spread of flexible, radio-equipped tags as price tags, identity labels, and surveillance sensors.
By Peter Weiss -
Health & Medicine
Tungsten-alloy shrapnel might cause cancer
Wounds caused by shrapnel comprising tungsten alloyed with nickel and cobalt cause cancer in rats, raising questions about the wisdom of using tungsten in munitions.
By Nathan Seppa -
Animals
Picky-eater termites choose good vibes
Good vibrations may have a lot to do with which pieces of wood a termite attacks.
By Susan Milius -
Math
New largest prime discovered
Computers have discovered a new largest prime number with a whopping 7,816,230 digits.
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Astronomy
Puzzling radio blasts
Astronomers are stumped by powerful radio waves emanating from the center of our galaxy.
By Ron Cowen -
Humans
From the March 9, 1935, issue
How early fish learned to swim, a long-distance record for short radio waves, and tidal effects inside Earth.
By Science News -
Ospreys in the Classroom
The University of Minnesota’s Raptor Center offers a set of multidisciplinary lesson plans introducing students from grades four through eight to raptors. Topics range from predator-prey relationships and habitats to environmental sampling. The lessons focus mainly on learning about ospreys. Go to: http://www.cvm.umn.edu/depts/raptorcenter/education/lessonplans/
By Science News -
Bacterial Nanny: Beewolf grows microbe for protecting young
A European wasp leaves a smear of bacteria near each of her eggs as protection against the perils of youth.
By Susan Milius