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Alyssa Cohen

Human Family Tree | The Smithsonian Institution's Human Origins Program - 0 views

humanorigins.si.edu/...human-family-tree

australopithecus family tree human anthropology origins

shared by Alyssa Cohen on 13 Dec 11 - Cached
  • Alyssa Cohen on 13 Dec 11
     
    Interactive 'human family tree' website that simply illustrates the earliest ancestors to today's homo sapiens. 
Alyssa Cohen

The Human Family Tree : Discovery News - 1 views

news.discovery.com/...-human-evolution-timeline.html

human family tree

shared by Alyssa Cohen on 08 Dec 11 - No Cached
  • Alyssa Cohen on 08 Dec 11
     
    This is a credible site that's very interesting. It's almost like an interactive timeline, so you can start from 5-10 million years ago, all the way till now. It helps me start the family tree from the beginning. 
adam unikowski

Four-Winged Dinosaurs Found in China, Experts Announce - 0 views

news.nationalgeographic.com/...0121_030122_dromaeosaur.html

nova dinosaurs experts dinosaur anthropology

shared by adam unikowski on 14 Dec 11 - No Cached
  • bipedal carnivorous dinosaurs called theropods
    • adam unikowski
      adam unikowski on 14 Dec 11
       
      The theropod (meaning "beast-footed") dinosaurs are a diverse group of bipedal saurischian dinosaurs. 
  • fully developed, modern feathers on both the forelimbs and hind limbs.
  • new species, Microraptor gui
  • ...7 more annotations...
  • How did a group of ground-dwelling flightless dinosaurs evolve to a feathered animal capable of flying?
  • used its feathered limbs, along with a long, feather-fringed tail, to glide from tree to tree.
  • The six specimens were excavated from the rich fossil beds of Liaoning Province in northeastern China
  • dated at between 128 to 124 million
  • four feathered limbs,
  • birds are most closely related to dromaeosaurids
  • dromaeosaurs were small, feathered animals with forelimbs similar to those of Archaeopteryx, the oldest known bird at around 150 million years old, and feet with features comparable to modern tree-living birds.
adam unikowski

NOVA | The Four-Winged Dinosaur - 0 views

www.pbs.org/...four-winged-dinosaur.html

nova dinosaur anthropology

shared by adam unikowski on 08 Dec 11 - No Cached
  • n 2002
  • In 2002
  • the 130 million-year-old creature
  • ...13 more annotations...
  • debate over the origin of flight
  • Chinese stone quarry where the fossil was discovered
  • Dubbed Microraptor, the crow-sized fossil is one of the smallest dinosaurs ever found
  • Did it array its arm- and leg-mounted wings in the style of an early 20th-century biplane to produce high lift at low speed?
  • Did it use them to create a single lifting surface for efficient, swift gliding?
  • Or were the extra wings useless for flight and likely to have been for some other purpose, such as attracting a mate?
  • Artists have historically played an important role in paleontology by helping to reconstruct the appearance and behavior of ancient animals.
  • For years the debate has been a standoff between two camps—those who believe dinosaurs were the ancestors of birds, and those who do not.
  • Believers in the dinosaur-bird connection have generally assumed that flight must have begun from the ground up, with fast-running dinosaurs that eventually got airborne as feathered arms evolved into wings,
  • Skeptics of the bird-dinosaur link say it would have been physically impossible for running dinosaurs to overcome gravity and get off the ground.
  • Larry Martin
  • speaks out for the minority view that birds descended from non-dinosaur tree dwellers.
  • Microraptor is the unexpected missing link that has reignited the debate
  • adam unikowski on 08 Dec 11
     
    This very interesting because it shows how people though that birds are decedents of dinosaurs. Then there are the non believers that do not believe that dinosaurs were the ancestors of birds. The four winged dinosaur Microraptor had brought up this debate again. Microraptor is the missing link that reignited this debate. This website is credible because at the bottom of the page it gives the name of the man who made the site and it is part of pbs.
Talya Freidman

PBS - Scientific American Frontiers:Chimps R Us:Frontiers Profile:Jane Goodall - 1 views

www.pbs.org/...goodall3.htm

shared by Talya Freidman on 14 Dec 11 - No Cached
  • adopted by a 12-year-old, non-related adolescent male
    • Talya Freidman
      Talya Freidman on 14 Dec 11
       
      Through this example, we see how caring chimps really are. Even in humans, females are stereo-typically the care-givers, but even male chimps can prove this stereotype wrong.
  • welcomed him in
  • . And even risked irritating the big adult males.
  • ...5 more annotations...
  • It's clearly male-dominated.
  • matriarchy within the family is very strong
  • When you watch a young male growing up, all his relationships begin to change. He begins to dominate the females
  • it's completely amazing how even a fully adult male is usually very respectful of his ancient mother.
    • Talya Freidman
      Talya Freidman on 14 Dec 11
       
      Humans, in general, are also respectful to their parents even once they've grown up and become an adult.
  • And she hears this and she comes charging over, rushes up the tree, and hauls herself on this melee of three enormous males. I think the two others were so amazed that they stopped attacking Satan
Joe Inhaber

Ape Genius reveals depth of animal intelligence - Telegraph - 1 views

www.telegraph.co.uk/...th-of-animal-intelligence.html

ape genius intelligence animal

shared by Joe Inhaber on 13 Dec 11 - No Cached
  • By Paul Eccleston
  • 5:00PM BST 02 May 2008
  • Chimpanzees in Senegal make and sharpen spears with their teeth to go hunting. Like our own ancestors they have learned to use tools to kill their quarry more effectively.
  • ...8 more annotations...
  • the skills to make a lethal weapon.
  • Ape Genius - which gives a fascinating insight into the depth of intelligence of animals who share 99 per cent of human genes
  • .at15t_email {display:none !important;} ul li.email span.at300bs {display:none !important;} X Share & bookmark Delicious Facebook Google Messenger Reddit Twitter Digg Fark LinkedIn Google Buzz StumbleUpon http://www.addthis.com/bookmark.php?v=250&winname=addthis&pub=telegraphmedia&source=tbx-250&lng=en-US&s=buzz&url=http%3A%2F%2Fwww.telegraph.co.uk%2Fearth%2Fearthnews%2F3341339%2FApe-Genius-reveals-depth-of-animal-intelligence.html&title=Ape%2
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  • Although they can be taught to recognise symbols and words they don't have the mental capacity to contribute to a 'conversation' - and they don't make small talk
  • And most important of all although they can imitate, they can't teach or build on the achievements others have made - unlike more successful humans.
  • But if apes have the power to reaso
  • n, learn skills, feel emotion and co-operate in a frenzied tree-top hunt for Colobus monkeys as chimpanzees do, why don't we have a planet of the apes?
  • Daryl Bambic on 14 Dec 11
     
    There should be a sticky note on this page.
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