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Latest Extinction event Stories

2009-04-28 14:58:15

A U.S. scientist says he's found evidence dinosaurs may have survived for 500,000 years in New Mexico and Colorado after the Cretaceous extinctions. Jim Fassett, an emeritus scientist with the U.S. Geological Survey in Santa Fe, N.M., said he based his conclusions on detailed chemical investigations of the dinosaur bones, and evidence for the age of the rocks in which they were found in the Ojo Alamo Sandstone in the San Juan Basin. The great difficulty with this hypothesis -- that these are...

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2009-04-28 14:51:43

The Lost World, Sir Arthur Conan Doyle's account of an isolated community of dinosaurs that survived the catastrophic extinction event 65 million years ago, has no less appeal now than it did when it was written a century ago. Various Hollywood versions have tried to recreate the lost world of dinosaurs, but today the fiction seems just a little closer to reality. New scientific evidence suggests that dinosaur bones from the Ojo Alamo Sandstone in the San Juan Basin, USA, date from after the...

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2009-03-30 09:05:00

Did volatile halogenated gases from giant salt lakes at the end of the Permian Age lead to a mass extinction of species? The largest mass extinction in the history of the earth could have been triggered off by giant salt lakes, whose emissions of halogenated gases changed the atmospheric composition so dramatically that vegetation was irretrievably damaged. At least that is what an international team of scientists have reported in the most recent edition of the "Proceedings of the Russian...

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2009-03-02 13:35:07

South Africa's Karoo Basin Shows No Indication of "Boundary Event Rock Bed" New scientific findings by geologist Robert Gastaldo of Colby College in Waterville, Maine, and colleagues call into question popular theories about the largest mass extinction in Earth's history. A paper reporting the results by Gastaldo, South African scientist Johann Neveling, and two 2008 Colby undergraduate students, C. Kittinger "Kit" Clark and Sophie Newbury, appears in the March 2009 issue of GEOLOGY. Tens of...

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2009-01-25 16:15:00

Unchecked global warming would leave ocean dwellers gasping for breath. Dead zones are low-oxygen areas in the ocean where higher life forms such as fish, crabs and clams are not able to live. In shallow coastal regions, these zones can be caused by runoff of excess fertilizers from farming. A team of Danish researchers have now shown that unchecked global warming would lead to a dramatic expansion of low-oxygen areas zones in the global ocean by a factor of 10 or more. Whereas some coastal...

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2008-10-01 10:15:00

Dinosaurs survived two mass extinctions and 50 million years before taking over the world and dominating ecosystems, according to new research published this week. Reporting in Biology Letters, Steve Brusatte, Professor Michael Benton, and colleagues at the University of Bristol show that dinosaurs did not proliferate immediately after they originated, but that their rise was a slow and complicated event, and driven by two mass extinctions. "The sheer size of dinosaurs like Tyrannosaurus...

2008-08-09 12:00:42

By Scott D. Pierce Deseret News BEVERLY HILLS, Calif. -- Who doesn't love a show about prehistoric monsters chasing people around the modern world? That's an oversimplification of the BBC America series "Primeval," but it does help explain the series' multigenerational appeal. "Clearly, we are very aware that we have a lot of kids who love the show, who love the creatures, and all of the rest of it," said "Primeval" co-creator/writer Adrian Hodges. "But, quite clearly, at the same time,...

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2008-07-17 07:40:00

More than 93 million years ago, researchers say undersea volcanic activity caused mass extinction in the worlds' oceans. During the late Cretaceous Period, the supposed "anoxic event" starved oxygen from the ocean depths and wiped out millions of marine organisms. Researchers from the University of Alberta, Canada, published their findings in the journal Nature. They found a telltale signature of underwater volcanism in rocks dating to the period. Researchers say during the undersea...

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2008-05-02 09:45:00

Cardiff study suggests link between comet bombardment and movement through the galaxyThe sun's movement through the Milky Way regularly sends comets hurtling into the inner solar system "“ coinciding with mass life extinctions on earth, a new study claims.Scientists at the Cardiff Centre for Astrobiology built a computer model of our solar system's movement and found that it "bounces" up and down through the plane of the galaxy. As we pass through the densest part of the plane,...

2008-04-10 16:22:37

Asteroids that strike Earth have cosmic origins, but clues to the size of ancient impactors now have come from a decidedly Earth-bound source: the chemistry of ancient seawater. Asteroids and other extraterrestrial objects have struck Earth countless times over its multi-billion-year history, but most have left little visible trace. Though these cosmic projectiles pack a wallop when they collide with our planet, they often vaporize on impact or fall into the ocean, making it...


Word of the Day
cock-a-hoop
  • Exultant; jubilant; triumphant; on the high horse.
  • Tipsy; slightly intoxicated.
This word may come from the phrase 'to set cock on hoop,' or 'to drink festively.' Its origin otherwise is unclear. A theory, according to the Word Detective, is that it's a 'transliteration of the French phrase 'coq a huppe,' meaning a rooster displaying its crest ('huppe') in a pose of proud defiance.' Therefore, 'cock-a-hoop' would 'liken a drunken man to a boastful and aggressive rooster.'
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