Quantcast

Latest Dok Stories

9e7787082eaadde08fd92b52421baa531
2008-12-25 08:30:00

Scientists have discovered that orangutans can help each other get food by trading tokens, but only if the help is mutual.It seems orangutans can learn the value of tokens and trade them, helping each other win bananas, according to researchers from the University of St Andrews.This is the first documented evidence of "calculated reciprocity" in non-human primates. Gorillas and chimpanzees were much less willing to co-operate, researchers said.In particular, two orangutans - Bim and Dok - who...


Word of the Day
sough
  • A murmuring sound; a rushing or whistling sound, like that of the wind; a deep sigh.
  • A gentle breeze; a waft; a breath.
  • Any rumor that engages general attention.
  • A cant or whining mode of speaking, especially in preaching or praying; the chant or recitative characteristic of the old Presbyterians in Scotland.
  • To make a rushing, whistling, or sighing sound; emit a hollow murmur; murmur or sigh like the wind.
  • To breathe in or as in sleep.
  • To utter in a whining or monotonous tone.
According to the OED, from the 16th century, this word is 'almost exclusively Scots and northern dialect until adopted in general literary use in the 19th.'
Related