منابع مشابه
Cancer in Wild Animals
Cancer seems to affect all animals, from anteaters to zebras. Much less is known about the cancers that affect wild animals, in part because it is hard to study. Animals move around and may not be easily observed for long periods of time. The cancers that have been studied are very interesting and will certainly prove useful in the study of human cancer. As an example, Tasmanian devils have a t...
متن کاملRestoring America's big, wild animals.
ered on a ranch in New Mexico to ponder a bold plan. The scientists, trained in a variety of disciplines, ranged from the grand old men of the field to those of us earlier in our careers. The idea we were mulling over was the reintroduction of large vertebrates—megafauna—to North America. Most of these animals, such as mammoths and cheetahs, died out roughly 13,000 years ago, when humans from E...
متن کاملWild Animals in Daily Life
Humans have historically low engagement with the natural world. Global urbanization has led people to abandon wildlife-rich landscapes. The current lack of connectedness to nature is known as nature-deficit disorder. However, to encourage sustainable relationships between humans and other animals, technology to reconnect is urgently needed. The natural world is in a dire state; we are in the mi...
متن کاملMycobacterium ulcerans in wild animals.
Mycobacterium ulcerans infection, or Buruli ulcer, is the third most frequent mycobacterial disease in humans, often causing serious deformities and disability. The disease is most closely associated with tropical wetlands, especially in west and central Africa. Most investigators believe that the aetiological agent proliferates in mud beneath stagnant waters. Modes of transmission may involve ...
متن کاملIdentifying teaching in wild animals.
After a long period of neglect, the study of teaching in nonhuman animals is beginning to take a more prominent role in research on social learning. Unlike other forms of social learning, teaching requires knowledgeable individuals to play an active role in facilitating learning by the naive. Casting aside anthropocentric requirements for cognitive mechanisms assumed to underpin teaching in our...
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ژورنال
عنوان ژورنال: Scientific American
سال: 1902
ISSN: 0036-8733
DOI: 10.1038/scientificamerican05101902-333