Uncategorized
- Humans
From the June 5, 1937, issue
All lit up in Paris, changing elements, and cheap, accurate lenses.
- Humans
Scitopia.org
This new site is a search portal to the digital libraries of leading science and technology societies. Enter a term into its search engine to find authoritative research, patents, and government documents. Go to: http://www.scitopia.org
- Math
Musical Illusions
An auditory phenomenon that resembles a familiar optical illusion sheds light on how our brains process sound.
- Earth
Storm Norms: Caribbean corals and sediments yield clues to hurricane frequency
The recent increase in hurricane activity in the North Atlantic, a phenomenon that some scientists blame on climate change, actually reflects a return to normal after a lull in the 1970s and 1980s.
- Astronomy
Galactic Émigré: Incoming dwarf galaxy could feed its larger kin
A dwarf galaxy at the periphery of the giant Andromeda galaxy may be a pristine building block for forming galaxies in the modern-day universe.
- Animals
Scary Singing: Precise birds signal, ‘Don’t mess with us’
A pair of magpie-larks can advertise their toughness by the precision of the duets they sing.
- Health & Medicine
Blending In: Dissolvable stents promise to protect arteries
A biodegradable magnesium stent props open clogged blood vessels and then dissolves, circumventing the problems linked to permanent metal stents.
- Anthropology
Chicken of the Sea: Poultry may have reached Americas via Polynesia
Polynesians may have traveled back and forth to South America more than 600 years ago, introducing chickens to the Americas in the process.
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19842
This article states, “The most likely sea route ran north of Hawaii and down America’s Pacific coast.” The Polynesians were master mariners, so anything is possible, but continuing east from Tonga to South America is an extension of the main voyaging area, whereas Hawaii is well off this beaten path. Tom MallardPhoenix, Ariz.
- Tech
Nanotech bubbles
Creating large-scale, regular arrays of nanoscale components is now almost as easy as blowing bubbles.
- Chemistry
In a Fix: Agricultural chemicals disturb a natural relationship
Several pesticides can disrupt a partnership that enables certain plants to take up nitrogen by enlisting the help of bacteria.
- Health & Medicine
Guilt by Association: Whole-genome scans yield disease clues
In a sweeping demonstration of the power of the new biology, researchers have linked two dozen genetic variations to six major diseases.
