Ancient
superpredator ate sharks for lunch
Published March 05, 2013 Associated Press
ERIE, Pa. – Present-day Erie was under a
saltwater ocean 364 million years ago.And a top-of-the-food-chain predator in
that ancient ocean ate sharks for lunch. And for breakfast and dinner, too.Erie
geologist Scott McKenzie is patiently putting together pieces of the skull and
shoulder armor of that powerful prehistoric fish, Dunkleosteus, the rest
of whose remains are embedded in sandy shale in an Erie County location he
cannot reveal in an agreement with the private property owners.Now that spring
is almost here, McKenzie, colleagues from other universities and geology
students will return to the site to see if erosion through wind, rain and snow
have exposed more bones.
Read rest see pic here http://www.foxnews.com/science/2013/03/05/monster-find-has-erie-geologist-fishing-for-more/
Woolly
rhino site reveals ancient British temperature
By Michelle Warwicker BBC Nature
Scientists studying an exceptionally well-preserved
woolly rhinoceros have revealed details of what Britain's environment was like
42,000 years ago.The beast's remains were discovered in Staffordshire in 2002,
buried alongside other preserved organisms such as beetles and non-biting
midges.The research team used these climate-sensitive insects to calculate that
summer temperatures in Britain would have averaged just 10C, and dropped to
-22C in winter.
Read rest here :http://www.bbc.co.uk/nature/21660528
Giant
camel fossil found in Arctic
By Rebecca Morelle Science reporter, BBC World
Service
Camels are well known for their ability to survive
the hot and dry conditions of the desert, but a study suggests they once
thrived in colder climes. Scientists have unearthed the fossilised remains of a
giant species of camel in Canada's High Arctic. An analysis of protein found in
the bones has revealed that this creature, which lived about 3.5 million years
ago, is an ancestor of today's species
Read rest here :http://www.bbc.co.uk/news/science-environment-21673940
No comments:
Post a Comment