Uncategorized
- Math
SET Math
The card game known as SET® is deceptively simple. Its object is to identify, as quickly as possible, a grouping (SET) of three cards, selected from 12 cards laid out face up on a table. A SET deck has 81 (34) cards. Each card displays a design with four attributes: shape, number, shading, and color. […]
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The Naked Truth? Lice hint at a recent origin of clothing
A study of genetic differences among human lice hints at the origin of clothing.
- Earth
Clearing the Air: Ozone-killing bromine is on the decline
Chemical analyses of Earth's lower atmosphere show that the overall concentration of bromine, a component of some potent ozone-destroying chemicals, has dropped by 5 percent since peaking in 1998.
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Uneasy Breathing: Lung ills linked to suicidal thoughts
Patients who suffer from asthma and other lung disorders report thoughts of suicide and self-harm far more often than do people treated for other physical illnesses.
- Animals
Musical Pairs: Egg-deploying bird species divide for a song
A new genetic analysis bolsters the idea that musical taste, rather than geography, split Africa's indigobirds into multiple species.
- Tech
Bomb Sniffer: Cantilevers detect trace amounts of explosives
An ultra-sensitive chemical sensor uses microcantilevers to detect airborne plastic explosives within seconds.
- Astronomy
It’s Raining Stardust: Spacecraft measures record amount of stellar debris
Stardust is sneaking into our solar system at three times the rate that it had just 4 years ago, and the influx of dust could triple through 2010.
- Health & Medicine
Prenatal Cares: Popular painkillers linked to miscarriage
A new study finds that pregnant women taking nonprescription painkillers such as ibuprofen and aspirin have a higher risk of miscarriage.
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Did cavefish trade eyes for good taste?
Certain blind cave-dwelling fish in Mexico may have developed more taste buds and bigger jaws as they lost their eyes.
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Livers: Better late than never
Drawing on an ancient Greek myth, researchers have given the name prometheus to a mutant strain of zebrafish that appear to have no liver early in their lives.
- Health & Medicine
Guggul extract fails its cholesterol test
Guggul extract, long used in parts of Asia and gaining popularity in Western countries as a weapon against high cholesterol, does not appear to work.
- Planetary Science
A warmer, fluffier Pluto
Although Pluto has been receding from the sun for more than a decade, planetary scientists have now found that between 1988 and 2002, Pluto’s atmosphere has nearly doubled in size and its temperature has increased by about 1 degree C.
