Posts Tagged ‘extinction’
Inbreeding threatens India’s wild tigers
CARDIFF U. (UK) — A collapse in the variety of mating partners is putting tigers in India at risk of extinction, a new study suggests. Continue…
Wednesday, May 15, 2013 11:16 - 4 Comments
Science & Technology - Apr 10, 2013 11:43 - 0 Comments
Soil mites rescued by rapid evolution
U. LEEDS (UK) — A recent study involving soil mites overturns the common assumption that evolution only occurs gradually over hundreds or thousands of years. (more…)
Earth & Environment - Apr 5, 2013 12:18 - 1 Comment
Volcano event lines up with pre-dino die-offs
COLUMBIA U. (US) — New evidence from around the world links the abrupt disappearance of half of Earth’s species 200 million years ago to a precisely dated set of gigantic volcanic eruptions. (more…)
Top Stories - Apr 5, 2013 9:46 - 49 Comments
Should we bring back extinct species?
STANFORD (US) — Within 15 years, scientists may be able to revive some recently extinct species, like the dodo or the passenger pigeon. It’s not Jurassic Park, but is it a good idea? (more…)
Earth & Environment - Mar 26, 2013 12:48 - 0 Comments
Lost sea slug sighted in California waters
UC SANTA BARBARA (US) — A bright blue sea slug thought to be extinct in Southern California appears to be making a comeback. (more…)
Science & Technology - Mar 15, 2013 12:13 - 3 Comments
Saber-tooth cat was a Florida native
U. FLORIDA (US) — A new genus and species of saber-toothed cat may be a missing link to and direct ancestor of Smilodon, a cat that went extinct about 11,000 years ago. (more…)
Science & Technology - Feb 13, 2013 13:09 - 0 Comments
Ice age extinctions led to hardier plants
U. MELBOURNE (AUS) — When it comes to biodiversity, extinctions have a bigger impact than evolution, say researchers who looked at Australian plant species wiped out by the ice ages. (more…)
Earth & Environment - Jan 14, 2013 11:42 - 1 Comment
‘Sea of exotics’ isolates native plants
U. TORONTO (CAN) — Given time, invading plants will most likely eliminate native species growing in the wild, new research shows. (more…)
Earth & Environment - Jan 10, 2013 12:11 - 1 Comment
Why California harbors so many plant species
UC SANTA BARBARA (US) — California’s plant life is remarkably diverse, thanks to low extinction rates over the past 45 million years, research shows. (more…)
Top Stories - Dec 26, 2012 19:10 - 0 Comments
Saber-tooth cats had plenty of prey before die-off
VANDERBILT (US) — New evidence contradicts the theory that American lions and saber-toothed cats had trouble finding prey before they went extinct 12,000 years ago. (more…)
Science & Technology - Dec 11, 2012 9:57 - 3 Comments
Only lightweight lizards survived killer asteroid
YALE (US) — The asteroid collision widely thought to have killed the dinosaurs also caused extreme devastation among snakes and lizards, including the newly identified Obamadon gracilis. (more…)
Science & Technology - Oct 30, 2012 10:52 - 4 Comments
Why Cretaceous extinction was so severe
U. CHICAGO (US) — The mass extinction that wiped out the dinosaurs and many other species 65 million years ago was worse than it might have been. (more…)
Earth & Environment - Oct 22, 2012 10:24 - 6 Comments
Lethal heat turned Earth into ‘broken world’
U. LEEDS (UK) — The “dead zone” period that followed the worst extinction of all time lasted 5 million years because it was simply too hot to survive. (more…)
Science & Technology - Jul 2, 2012 16:23 - 1 Comment
Mass die-offs reset the pace of evolution
U. CHICAGO (US) — Mass extinctions change the pace of evolution—not just in the catastrophe’s immediate aftermath—but for millions of years to follow, say paleontologists.
Earth & Environment - Jun 8, 2012 14:55 - 5 Comments
Planet may be near tipping point, study warns
STANFORD (US) — The planet may be nearing a critical threshold, beyond which environmental changes will be rapid and unpredictable, according to a new study. (more…)
Science & Technology - May 30, 2012 14:37 - 0 Comments
Extinct giant turtle found near monster snake
U. FLORIDA (US) — Researchers have named and described a new extinct giant turtle species from the same Colombian mine where they discovered Titanoboa, the world’s largest snake. (more…)
Science & Technology - Apr 24, 2012 11:33 - 0 Comments
To adapt, diversity is mammals’ best defense
VANDERBILT (US) — Diversity helped mammals in North America survive climate change in “deep time”—a period of 56 million years. (more…)
Science & Technology - Apr 23, 2012 11:29 - 3 Comments
For Tasmanian tiger, genetic fate loomed
U. MELBOURNE (AUS) — The Tasmanian tiger had the same or even less genetic diversity than its close relative, the Tasmanian devil. (more…)
Earth & Environment - Apr 11, 2012 10:46 - 1 Comment
Icy tropics triggered mass extinction
CALTECH (US) — The second-largest mass extinction in Earth’s history coincided with a short but intense ice age during which enormous glaciers grew and sea levels dropped. (more…)
