BlogArena

General blog about anything and everything of everyday's life.

January 21, 2017
by Guest Post
0 comments

Oldest Known Squawk Box Suggests Dinosaurs Likely Did Not Sing

AUSTIN, Texas — The oldest known vocal organ of a bird has been found in an Antarctic fossil of a relative of ducks and geese that lived more than 66 million years ago during the age of dinosaurs.

January 14, 2017
by Guest Post
0 comments

Ancient reptile fossils claw for more attention

Newly recovered fossils confirm that Drepanosaurus, a prehistoric cross between a chameleon and an anteater, was a small reptile with a fearsome finger. The second digit of its forelimb sported a massive claw.

July 9, 2015
by Guest Post
0 comments

Yale’s legacy in ‘Jurassic World’

On a summer evening in 1993, Professor John Ostrom, a paleontologist at the Yale Peabody Museum of Natural History, had a chance to see one of his discoveries spring to life. “Jurassic Park,” Steven Spielberg’s film adaptation of Michael Crichton’s … Continue reading

December 18, 2014
by Guest Post
0 comments

Meteorite That Doomed Dinosaurs Remade Forests

The impact decimated slow-growing evergreens and made way for fast-growing, deciduous plants, UA researchers say, and that provides an explanation for those fall colors. The meteorite impact that spelled doom for the dinosaurs 66 million years ago decimated the evergreens … Continue reading

December 7, 2014
by Guest Post
0 comments

Extinctions during human era worse than thought

The gravity of the world’s current extinction rate becomes clearer upon knowing what it was before people came along. A new estimate finds that species die off as much as 1,000 times more frequently nowadays than they used to. That’s … Continue reading

July 15, 2014
by Guest Post
0 comments

Were Dinosaurs Cold-Blooded or Warm-Blooded? Neither, Study Finds

A study that originated in the lab of UA biologist Brian J. Enquist with UA alum John Grady suggests dinosaurs had a metabolism that was neither warm- nor cold-blooded, but somewhere in between. Dinosaurs dominated the Earth for more than … Continue reading