Uncategorized
- Math
Searchers capture a champion megaprime
A participant in the Great Internet Mersenne Prime Search set the record for the largest known prime number, which runs to 4,053,946 decimal digits.
- Math
The Math Hatter and More
Looking for a cool gift for someone mathematically inclined? An unusual, conversation-generating token of appreciation? The World Wide Web offers a number of intriguing possibilities–if you know where to stop and shop. Metro cars in action. Smart Mouth letter dispenser. Original Stonehenge watch. A little ad in a mathematics newsletter recently alerted me to the […]
- Math
The Math Hatter and More
Looking for a cool gift for someone mathematically inclined? An unusual, conversation-generating token of appreciation? The World Wide Web offers a number of intriguing possibilities–if you know where to stop and shop. Metro cars in action. Smart Mouth letter dispenser. Original Stonehenge watch. A little ad in a mathematics newsletter recently alerted me to the […]
- Tech
Fly lends an ear to microphone design
The unique way some flies localize sound has inspired engineers to design tiny directional microphones for hearing aids and surveillance devices.
- Health & Medicine
Surprise! Fat proves a taste sensation
The share of consumed fat that travels into a person's bloodstream depends on whether the person tasted fat to begin with.
- Health & Medicine
Delayed surgery aids spinal cord repair
Postponing surgery to repair a severed spinal cord in rats improves the likelihood that the operation will counteract the injury.
- Materials Science
Synthetic molecules mimic bone growth
Researchers have created molecules that assemble into a microscopic structure that mimics bone.
- Animals
Female ducks can double eggs by trickery
Female goldeneye ducks can double their offspring by sneaking eggs into other females' nests before settling down to a nest of their own.
- Astronomy
X-ray craft sees Venus in whole new light
Astronomers have unveiled the first X-ray image of Venus.
- Anthropology
Human evolution put brakes on tooth growth
A new analysis of fossil teeth indicates that the slower pace of dental development observed in people today dates back only about 100,000 years.
- Animals
New lizard ties for ‘world’s smallest’
A newly discovered lizard small enough to curl up on a dime ties for the title of the smallest of its kind in the world.
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The work in this article does show nonlinearity of cell damage from alpha radiation in the dose range studied, but the lowest dose studied (5 percent of all cell nuclei hit) is probably several orders of magnitude above the mean lethal dose for any organism. The researchers need to look at linearity through the dose […]
