Posts Tagged ‘Cretaceous Period’
My, what big teeth you had ‘Croc Dog’
MCGILL (CAN) — A newly identified crocodile species that lived 70 million years ago had very big teeth and a dog-shaped head—and galloped on long limbs to chase down prey. Continue…
Wednesday, July 20, 2011 11:37 - 0 Comments
Science & Technology - Dec 1, 2010 18:01 - 1 Comment
Moving iridium muddies dino debate
RUTGERS (US) — The case of New Jersey’s “missing” iridium—a metal that’s more common in asteroids than on Earth—turns out to be the case of the “moving” iridium. (more…)
Science & Technology - Aug 5, 2010 13:27 - 0 Comments
Was prehistoric crocodile a land lover?
MICHIGAN STATE (US)—The toothy grin of a recently discovered prehistoric reptile looks more mammal-like than that of modern crocodiles, according to an international group of researchers. (more…)
Science & Technology - Jul 21, 2010 14:17 - 4 Comments
Early primate skull found in Saudi Arabia
U. MICHIGAN (US)—A paleontologist searching for dinosaur fossils has found the skull of an ancient primate. The discovery offers new insights into what the last common ancestor of apes and monkeys may have looked like and when the two lineages went their separate ways. (more…)
Science & Technology - Jun 18, 2010 12:46 - 0 Comments
Ancient bite marks reveal taste for bones
YALE (US)—Prehistoric mammals likely gnawed on bare bones for minerals, rather than meat, according to paleontologists who have discovered the oldest mammalian tooth marks yet on bones of ancient animals, including several large dinosaurs. (more…)
Science & Technology - Mar 2, 2010 13:21 - 0 Comments
How nannoplankton hung on by a shoestring
PENN STATE (US)—An asteroid strike may not only account for the demise of ocean and land life 65 million years ago, but the fireball’s path—and resulting dust, darkness, and toxic metal contamination—may explain the geographic unevenness of extinctions and recovery. (more…)
Earth & Environment - Sep 18, 2009 4:00 - 2 Comments
‘Punk-size’ T. rex found in China
Above, the skull of Raptorex is dwarfed by the skull of “Sue,” the famous adult T. rex at the Field Museum. (Credit: Paul Sereno)
Earth & Environment - Jul 14, 2009 9:30 - 0 Comments
Ancient ferns bum a ride off giant trees
Hymenophyllum jamesonii, an epiphytic fern of neotropical rain forests, has berry-like clusters of sporangia where reproductive spores are produced. (Courtesy: Eric Schuettpelz)
Earth & Environment - Jul 10, 2009 13:28 - 0 Comments
Dinosaurs of many kinds may have burrowed to survive
On the heels of his discovery in Montana of the first trace fossil of a dinosaur burrow, Emory University paleontologist Anthony Martin has found evidence of more dinosaur burrows—this time on the other side of the world, in Victoria, Australia. Martin believes the likely burrows were made by small ornithopod dinosaurs—herbivores that were prevalent in the region and were about the size of a large, modern-day iguana.
Science & Technology - Jun 22, 2009 16:12 - 0 Comments
Scientists crack case of nut-eating dinosaur
Skull of the parrot-beaked dinosaur, Psittacosaurus gobiensis, next to that of a living macaw. (Credit: Mike Hettwer)
Science & Technology - May 4, 2009 16:45 - 0 Comments
Dinosaur demise—Don’t blame the asteroid
PRINCETON (US)—Geoscientist Gerta Keller says there’s new proof volcanoes—not a vast meteorite—wiped out the dinosaurs 65 million years ago. (more…)
Science & Technology - Mar 20, 2009 11:32 - 0 Comments
Feather color detected in 30 million-year-old bird fossil
YALE (US)–Scientists have discovered traces of organic material in fossilized bird feathers from 30 millions years ago. Yale University researchers say the material appears to be remnants of pigments that once gave birds their color, opening up the possibility of pinpointing the original hue of ancient birds and their ancestors, the dinosaurs. (more…)
