Do They Really Look Like That? The Science of Dino Art

Publication: National Geographic News   Date: March 11, 2003   View Article

Every few years a dinosaur leaps from the signature yellow border of National Geographic Magazine and captures the fascination of readers. This month a skull of Tyrannosaurus rex shatters a bone of its prey—another dinosaur.

Cool, but is it realistic? Is that picture with T. rex’s teeth glistening with the blood of the dinosaur it just devoured a scientifically accurate interpretation of dinnertime 75 million years ago?

Outside Pressures Threaten Isolated Amazon Cultures

Publication: National Geographic News   Date: March 11, 2003   View Article

In April 2002, the government of Peru set aside more than 2 million acres (809,400 hectares) of remote jungle in the Amazon River Basin for the protection of indigenous people who live isolated from the outside world.

In theory, the reserve allows the Yora, Yine, and Amahuaca peoples to live as they have for thousands of years. They are believed to be migratory groups who survive by collecting seasonal resources, such as turtle eggs from exposed riverbanks in the dry season and Brazil nuts from trees in the forest in the rainy season.

Amazon Tribes: Isolated by Choice?

Publication: National Geographic News   Date: March 10, 2003   View Article

No one knows precisely how many people live in isolation from the industrial-technological world. Many of these people, perhaps thousands, are believed to thrive in the remote stretches of the Amazon River Basin of South America. Anthropologists and indigenous rights groups say evidence for the existence of these remote tribes is heard in stories of contact with other indigenous groups, deduced from abandoned dwellings, and seen by developers planning to extract resources from the forests.

1.8-Million-Year-Old Hominid Jaw Found

Publication: National Geographic News   Date: February 20, 2003   View Article

Tanzania’s Olduvai Gorge has yielded an impressive pile of fossilized bones and stone tools that may reshuffle the evolutionary tree of the early hominids and shed light on the behavior of some of human kind’s earliest ancestors.

The gorge is most noted for the abundant fossil discoveries of esteemed anthropologists Louis and Mary Leakey from 1959 to 1976 which helped shape modern understanding of human origins.

Oldest Asian Tools Show Early Human Tolerance of Variable Climate

Publication: National Geographic News   Date: September 26, 2001   View Article

When it’s cold outside, modern humans don a sweater to ward off the chill. But how and when early humans began to develop an ability to cope with different climates has been a great puzzle in the study of human evolution. The answer is important because it suggests when early humans were able to migrate out of tropical Africa and settle all corners of the globe.

© 2008-2010 Collected Writings By John Roach