The sequencing of the human genome (ScienceNOW, 14 April 2003:) gave scientists major new insights into what makes us human: Although we share more than 98 % of our genetic code with the chimpanzee, natural selection has turned us into a very different
animal than the chimps, from whom our hominid ancestors split evolutionarily some 6 million years ago (ScienceNOW, 31 August).
Not exact matches
Bird acknowledges that many
animals probably understand the basic idea of support, but he points out that the rooks seem to comprehend its nuances better
than chimps do.
Orangutans» new status as cultural
animals was unexpected because typically they are less social
than chimps and so, researchers believed, they would have fewer chances to learn from one another.
The researchers were surprised by the findings because these African apes — our closest relatives in the
animal kingdom along with chimpanzees — have been shown to be less aggressive
than chimps.
For example, each
chimp should have at least 1000 square feet of outdoor space and live with no fewer
than six other
animals.