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A green revolution for Africa?

Sun, 2008-10-12 18:07 by Hans
Rajiv Shah, of the Bill and Melinda Gates Foundation, visits the Kangemi market in Nairobi, Kenya.

Guillaume Bonn

By DAVID RIEFF
Published: October 10, 2008

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HIV/AIDS May Have Originated in 19th Century

Tue, 2008-10-07 21:05 by Hans

ABC News
HIV/AIDS May Have Originated in 19th Century
MedHeadlines, IL
The same period of time saw rapid urbanization of Colonial Africa, a very opportune moment for a virus to jump from the wild into the human population. ...
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Michael Nichols on photographing elephants - video

Tue, 2008-10-07 20:28 by Hans

The photographer Michael "Nick" Nichols explains how he takes photos of elephants, in this case in Samburu, Kenya (video).

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Counting Samburu's vanishing Lions

Fri, 2008-10-03 14:15 by Hans
A pride of lions Shivani Bhalla (middle)

By RUPI MANGAT
The EastAfrican – Posted Saturday, September 20 2008 at 14:53

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It is a matter of concern that in only two decades, Africa’s lion population has dwindled from 200,000 to 20,000 today.

For anyone coming to Africa, the big thrill is to see the ultimate king of the jungle, who combines strength with noble looks, who is invincible against all odds.

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Robot spyplanes get new role as medical couriers

Tue, 2008-09-16 17:54 by Hans

12:52 12 September 2008
NewScientist.com news service
Flora Graham

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GPS use

Sat, 2008-08-30 09:28 by Hans

Does the GPS help?

Today I received the following email:

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Out of Africa: the speed gene genie

Fri, 2008-08-22 20:58 by Hans

Out of Africa: the speed gene genie - Sydney Morning Herald, Australia

Kathryn North, of the Institute for Neuromuscular Research at the Children's Hospital at Westmead and the University of Sydney, has shown there is a common ...

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Trove of endangered gorillas found in Africa

Fri, 2008-08-08 19:12 by Hans

By ANDREW C. REVKIN
Published: August 5, 2008

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A grueling survey of vast tracts of forest and swamp in the northern Congo Republic has revealed the presence of more than 125,000 western lowland gorillas, a rare example of abundance in a world of rapidly vanishing primate populations.

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Leopard kills crocodile

Mon, 2008-07-21 19:59 by Hans
Leopard attacks and kills crocodile

Some leopards seem to be rather fearless and stop at nothing. Events like this had occasionally been reported before, but this time a photographer captured the entire event in a photo sequence and thus documented this unusual leopard behavior.

The video is only a quick replay of the photos. I recommend to forgo that and instead click on the right arrow at the top to watch the larger photos at your own speed.

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Genetic variation increases HIV risk in Africans

Fri, 2008-07-18 15:42 by Hans

Science Daily – Science News

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ScienceDaily (July 17, 2008) — A genetic variation which evolved to protect people of African descent against malaria has now been shown to increase their susceptibility to HIV infection by up to 40 per cent, according to new research. Conversely, the same variation also appears to prolong survival of those infected with HIV by approximately two years.