Uncategorized
- Math
Floating Bodies
An extension of work by Archimedes on the stability of floating bodies leads to some insights into the behavior of icebergs and other structures.
- Humans
From the August 18, 1934, issue
The Great Dust Storm of 1934, preferred sleep position and handedness, and tensor theory applied to electrical machinery.
- Tech
Aerodynamics for Beginners
NASA’s Glenn Research Center offers an extensive online tutorial on the basics of aerodynamics. Aimed at elementary and high school teachers, the site provides lots of useful information and has slides and worksheets suitable for classroom use at various levels. Go to: http://www.grc.nasa.gov/WWW/K-12/airplane/bga.html
- Materials Science
Warm Reflections: Window tint kicks in when it’s hot
A novel window coating automatically transforms into a heat mirror only when warmed above room temperature.
- Earth
Early Shift: North Sea plankton and fish move out of sync
As ocean temperatures in the North Sea have warmed in recent decades, the life cycles of some species low in the food chain have accelerated significantly, sometimes wreaking ecological havoc.
- Health & Medicine
Finding a Missing Link: Scientists show a new connection between inflammation and cancer
Scientists studying gastrointestinal cancer in mice have found powerful evidence of a molecular connection between inflammation and cancer.
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Lifting the Mood: Depressed teens benefit from combined therapy
Treatment that includes both an antidepressant drug and talk therapy is especially beneficial for teenagers diagnosed with major depression.
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Rattle and Hum: Molecular machinery makes yeast cells purr
Molecular-motor proteins inside a yeast cell can cause the cell walls to vibrate.
- Planetary Science
Saturn Watch: Cassini finds two new moons and lightning
The Cassini spacecraft has detected two moons that may be the smallest ever found around Saturn as well as changes in the character of lightning first detected in Saturn's atmosphere in the early 1980s.
- Health & Medicine
Unorthodox Strategy: New cancer vaccine may thwart melanoma
In experiments on mice, destroying good skin cells can induce the immune system to kill cancerous versions of these cells.
- Astronomy
Cosmic Melody
An astronomer has converted fluctuations in the density of the early universe—the seeds of the first galaxies and stars—into audible sound.
- Physics
Antimatter loses again
A study of subatomic B mesons reveals a new way in which the laws of physics differ for matter and antimatter, providing another clue to why there's almost no antimatter in the universe today.
