Save the planet but sacrifice your health: Recycling process makes plastics even more 'poisonous' to people.The end of Brits' Netflix freeloading! Streaming firm's crackdown on sharing passwords with your family and.Think twice before updating your Apple Watch! Users say the latest update has given their screen a.Do YOU notice anything unusual in this video? If not, you might suffer from 'inattentional blindness'.Dog expert reveals why you should avoid using ball-throwers this summer.What does Netflix's password sharing crackdown mean for YOU? Everything you need to know about the new rules.There's a storm brewing on Uranus! NASA spots a swirling cyclone at the ice giant's north pole for the first.Does space hold key to treating CANCER? Study at International Space Station will test if microgravity.Incredible moment paralysed man walks for first time in 12 YEARS after being fitted with mind-reading.New Star Trek-style device 'harvests clean energy out of thin air'.Only in Benidorm! Archaeologists discover carvings of a smiley face and a PHALLUS at a 2,000-year-old Roman.Earth receives its first 'alien message': Scientists capture simulated ET signal that YOU can help.Billionaire bites the moon dust: Richard Branson is shutting down Virgin Orbit - and selling off assets.Hidden cameras might be lurking in your Airbnb or hotel room - here's where they're most. Sunnycomb! Stunning new photos of the sun show hair-like strands of fiery plasma flowing from a.They say that while chimps and orang-utans have undergone extreme finger elongation, little has changed in gorillas and humans.Ĭapuchins and gelada baboons have also demonstrated an example of convergent evolution – where separate species develop a trait through different evolutionary paths - as their hands have changed to become highly dexterous. Their results, which are published in the journal Nature Communications, reveal that several evolutionary mechanisms have shaped the hands of modern humans and their living ape relatives. The researchers examined the hand morphology of living apes and extinct species like Proconsul heseloni, an early relative of gibbons and great apes that lived 24 million years ago, along with early human species such as Australopithecus sebida. 'Therefore, little change was necessary in the human lineage - in terms of relative hand lengths - to be proficient stole makers.' 'The primitive condition of the ancestor from which humans and chimpanzees evolved was very similar to those "good human proportions" that facilitate refined precision grips. ![]() Speaking to Mail Online, he added: 'The human proportions that allow for enhanced manipulation consist in having a long thumb relative to the fingers. 'This probably occurred with the advent of habitual bipedalism in hominins, and almost certainly preceded regular stone culture.' The new findings, however, suggest the proportions of the human hand appears to have been in place long before we separated from chimpanzees and bonobos, from the genus Pan, around five million years ago.ĭr Sergio Almecija, an anthropologist at Stony Brook University in New York who led the research, said: 'Humans have only slightly modified finger and thumb lengths since their last common ancestor with Pan. ![]() It was also long thought that our use of tools was partly responsible for our unique hands. In a series of fascinating experiments, our closest relative preferred cooked vegetables to raw ones, were willing to wait for food to be cooked and understood what could and could not be cooked. Recent findings from Yale University has even shown they are intelligent enough to understand cooking. ![]() They also have relatively advanced ability to use tools, using sticks to 'fish' for termites, moss as sponges and sharpened sticks to use as spears to flush out prey. Recent studies have shown that chimpanzees not only have self confidence, but also a strong sense of morality, becoming agitated when they see an unknown infant being harmed. The research is bringing conventions about our position in the animal kingdom crashing down. The great apes are increasingly being found to display behaviours and traits that were once thought to be the sole preserve of the human species. The more scientists study chimpanzees, the more like us they seem.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |