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archive: Jan-Mar 2007
Paleo-news archive: January-March 2007
Dinosaur den diggers discovered
(Mar 21, 2007)
The fossil remains of small dinosaurs that burrowed into the ground
have been found by scientists in Montana, US. The 95-million-year-old
bones are from an adult and two juveniles and were unearthed in a
chamber at the end of a 2.1m-long sediment-filled tunnel. The researchers
say the discovery is the first definitive evidence that some dinosaurs
dug dens and cared for their young in such structures.
Read
more. Source: BBC |
Ancient lizard extended its rib bones to
glide
(Mar 20, 2007)
Ancient lizards used their ribs to help them glide through the air,
a new fossil find has revealed. It shows a wing-like membrane spread
over elongated ribs. Xing Xu, at the Institute of Vertebrate Paleontology
and Paleoanthropology in Beijing, China, and colleagues discovered
the specimen, of the species Xianglong zhaoi, in the Liaoning
Province of the country.
Read
more. Source: New Scientist |
Ancient chimps 'used stone tools'
(Feb 13, 2007)
Chimpanzees in West Africa used stone tools to crack nuts 4,300 years
ago. The discovery represents the oldest evidence of tool use by our
closest evolutionary relative. The skill could have been inherited
from the a common ancestor of chimps and humans, the authors say,
or learnt from humans by imitation.
Read
more. Source: BBC |
'Hobbit' human 'is a new species'
(Jan 30, 2007)
The tiny skeletal remains of human "Hobbits" found on an Indonesian
island belong to a completely new branch of our family tree, a study
has found. The finds caused a sensation when they were announced to
the world in 2004. But some researchers argued the bones belonged
to a modern human with a combination of small stature and a brain
disorder called microcephaly.
Read
more. Source: BBC |
Caverns give up huge fossil haul
(Jan 25, 2007)
An astonishing collection of fossil animals from southern Australia
is reported by scientists. The creatures were found in limestone caves
under Nullarbor Plain and date from about 400,000-800,000 years ago.
The palaeontological "treasure trove" includes 23 kangaroo species,
eight of which are entirely new to science.
Read
more. Source: BBC |
Flying dinos had bi-plane design
(Jan 22, 2007)
The first flying dinosaurs took to the air in a similar way to a World
War I bi-plane, a study shows. A fresh analysis of an early feathered
fossil dinosaur suggests that it dropped its hind legs below its body,
adopting a bi-plane-like form. This contrasts with earlier reconstructions
showing the dinosaur maintaining its wings in a tandem pattern, a
bit like a dragonfly.
Read
more. Source: BBC |
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