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Tag: "famine" at biology news

Spud origin controversy solved

... potatoes as breeding stock after the Irish potato famine in the 1840s. Using molecular markers, the scientists found that the Canary Island landraces possessed both Andean and Chilean types, as well as possible hybrids of the two. “In combination with other historical, molecular, agronomic, and cross...

Five surprising facts about starvation that could change the international agenda

...condition that is not simply caused by conflict or famine alone. Gross and Webb conclude that "effective, targeted actions are needed as part of the development agenda." Third, HIV does not appear yet to contribute substantially and directly to severe wasting in children, although the authors state that "...

Malaria, potato famine pathogen share surprising trait

...umans and the microbe that caused the Irish potato famine use identical protein signals to start an infection. "I don't think anyone expected this," said Sophien Kamoun, a study co-author and an associate professor of plant pathology at Ohio State's Ohio Agricultural Research and Development Center in Woos...

Some good news for the world's poor

... from 1.6 billion to 3.4 billion, efforts to avert famine resulted in the land area devoted to rice expanding by 30 percent, from 107 million hectares to 139 million hectares. Rice production grew by an impressive 170 percent, from 199 million tonnes in 1961 to 540 million tonnes in 2000, thanks largely to...

New classification of eukaryotes has implications for AIDS treatment, agriculture and beyond

...tato blight, such as the one that caused the Irish famine in the 19th century, is now known not to be a fungus, which explains why fungicides are not effective treatments. 3) Plasmodium, the causative agent of malaria, is now known to share ancestry with photosynthetic organisms and has a vestigial chloropl...

Prenatal exposure to famine increases risk of schizophrenia

People born during a famine in China have an increased risk of schizophrenia, ...y to test the hypothesis that prenatal exposure to famine would increase the rate of schizophrenia in adult life by examining people who lived through a massi...

Experiments provide proof of how traveling in groups protects insects

...Africa and elsewhere, locusts can cause widespread famine because they consume crops, and the people there sometimes have nothing else to eat." ...

Experiments provide proof of how traveling in groups protects insects

...Africa and elsewhere, locusts can cause widespread famine because they consume crops, and the people there sometimes have nothing else to eat." ...

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