The fact that all our ape cousins - chimpanzees, gorillas and orangutans - can acquire signs - is powerful evidence that our hominid ancestors' first language was gestural and that the vocal version of language was a relatively recent development. My own guess is that vocal language began emerging about 200,000 years ago.
The fact that all our ape cousins - chimpanzees, gorillas and orangutans - can acquire signs - is powerful evidence that our hominid ancestors' first… - Roger Fouts
The fact that all our ape cousins - chimpanzees, gorillas and orangutans - can acquire signs - is powerful evidence that our hominid ancestors' first…
- Roger Fouts
With regard to the alternatives, we already have them. The cellular and genetic lines of research in humans are the most promising. AIDS is caused by… - Roger Fouts
With regard to the alternatives, we already have them. The cellular and genetic lines of research in humans are the most promising. AIDS is caused by…
The chimps love holidays - in fact Tatu actually anticipates them and asks about them. - Roger Fouts
The chimps love holidays - in fact Tatu actually anticipates them and asks about them.
If you try to impose a rigid discipline while teaching a child or a chimp you are working against the boundless curiosity and need for relaxed play t… - Roger Fouts
If you try to impose a rigid discipline while teaching a child or a chimp you are working against the boundless curiosity and need for relaxed play t…
With every passing year we discover more evidence to support Darwin's revolutionary hypothesis that the cognitive and emotional lives of animals diff… - Roger Fouts
With every passing year we discover more evidence to support Darwin's revolutionary hypothesis that the cognitive and emotional lives of animals diff…
Growing up on a farm taught me a reverence for all forms of life. We were a large and poor farm family, so that meant that we had to kill and eat our… - Roger Fouts
Growing up on a farm taught me a reverence for all forms of life. We were a large and poor farm family, so that meant that we had to kill and eat our…
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