منابع مشابه
Deborah Charlesworth
too long. It generates a cascade of subtle errors that ultimately accumulate to a distorted picture of the man and his science and indeed early Victorian scientific communities. A varied and overwhelming array of evidence demonstrates that Darwin did not avoid publishing his theory for 20 years.” The only evidence that has ever been put forward for Darwin’s delay is circumstantial or ambiguous ...
متن کاملCan sub-Saharan Africa feed itself?
Although global food demand is expected to increase 60% by 2050 compared with 2005/2007, the rise will be much greater in sub-Saharan Africa (SSA). Indeed, SSA is the region at greatest food security risk because by 2050 its population will increase 2.5-fold and demand for cereals approximately triple, whereas current levels of cereal consumption already depend on substantial imports. At issue ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: China Perspectives
سال: 2018
ISSN: 2070-3449,1996-4617
DOI: 10.4000/chinaperspectives.8300