Communications in Sierra Leone

In the News

Delay In Autumn Color Caused By Increased Carbon Dioxide Not Global Wa
The delay in autumnal leaf coloration and leaf fall in trees is caused by rising levels of carbon dioxide in the atmosphere and not by increased global temperatures according to a new study. In recent years, woodland autumnal color changes have been occurring later in the season whilst re-greening in spring has been occurring earlier.

Think Tank Cowboy
What's a reclusive novelist doing at a New Mexico scientific institute? Drinking tea and getting inspiration from mavericks. By David Kushner from Wired magazine.

Politics Get Caught in the Web
The internet gives political campaigns more opportunities to dig up dirt on their opponents, but with the information comes new ethical and legal concerns. Commentary by Jennifer Granick.

Toyon: Heteromeles Arbutifolia
Description of this California native plant, which is also known as Christmas berry or California holly. Discusses locations found in California, history of the shrub, growing the plant, and historical food uses of the toyon berry. From the newsletter of the California Native Plant Society.

[Ironic] Professional beggars prowling about the streets of Moroccan c
The government plans to crack down on the scam used by faux beggars in growing numbers for a kind of "emotional blackmail", a cabinet minister was quoted as saying...

NASA's Spitzer Marks Beginning Of New Age Of Planetary Science
NASA's Spitzer Space Telescope has for the first time captured the light from two known planets orbiting stars other than our Sun. The findings mark the beginning of a new age of planetary science, in which "extrasolar"planets can be directly measured and compared.

Limiting Refined Carbohydrates May Stall AMD Progression
Eating fewer refined carbohydrates may slow the progression of age-related macular degeneration and ease the growing public health burden due to vision loss, report researchers. People who consumed the most refined carbohydrates were 17 percent more likely to develop blinding AMD than those who consumed the least.

Nanotechnology Meets Biology And DNA Finds Its Groove
The object of fascination for most is the DNA molecule. But in solution, DNA, the genetic material that hold the detailed instructions for virtually all life, is a twisted knot, looking more like a battered ball of yarn than the famous double helix. To study it,scientists generally are forced to work with collections of molecules floating in solution, and there is no easy way to precisely single out individual molecules for study.

Nanotubes Glow, Even Within Biological Cells
In some of the first work documenting the uptake of carbon nanotubes by living cells, a team of chemists and life scientists from Rice University, the University of Texas Health Science Center at Houston and the Texas Heart Institute have selectively detected low concentrations of nanotubes in laboratory cell cultures.

Scientists Identify And Repress Breast Cancer Stem Cells In Mouse Tiss
By manipulating highly specific gene-regulating molecules called microRNAs, scientists have succeeded in singling out and repressing stem-like cells in mouse breast tissue -- cells that are widely thought to give rise to cancer.

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