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Browse Perkins, S.

1-285 out of 285 article(s)
Title Type Date Words
Portrait of a meltdown: many factors led to 2007's record low in Arctic sea ice. Dec 22, 2007 550
The salt flat that isn't flat: world's largest playa sports ridges, valleys. Dec 8, 2007 551
Falling behind: North American terrain absorbs carbon dioxide too slowly. Dec 1, 2007 510
Huge, yet not quite life-size. Nov 17, 2007 201
Yellowstone rising: magma floods into chamber beneath park. Nov 10, 2007 512
Digging the scene: dinos burrowed, built dens. Oct 27, 2007 521
Lake-bottom bounty: some Arctic sediments didn't erode during recent ice ages. Oct 6, 2007 479
Unexpected archive: mammoth hair yields ancient DNA. Sep 29, 2007 531
Bumpy bones: fossil hints that dinosaur had feathery forearms. Sep 22, 2007 495
Grazing on the periodic table: some ancient microorganisms lived on a diet of pure sulfur. Sep 15, 2007 454
Sonic sands: uncovering the secret of the booming dunes. Sep 8, 2007 470
Cretaceous corsages? Fossil in amber suggests antiquity of orchids. Sep 1, 2007 489
O river deltas, where art thou? Coastal sinking stalls sediment accumulation. Aug 25, 2007 462
Asian Forecast: hazy, warmer: clouds of pollution heat lower atmosphere. Aug 4, 2007 490
Birth of an island: megaflood severed Europe from Britain. Jul 21, 2007 511
Polymer breakdown: reaction offers possible way to recycle nylon. Jul 7, 2007 530
Storm norms: Caribbean corals and sediments yield clues to hurricane frequency. Jun 9, 2007 482
Ice age ends smashingly: did a comet blow up over eastern Canada? Jun 2, 2007 550
Using seismometers to monitor glaciers. Jun 2, 2007 187
Biological hot spots: ocean eddies may not always lock away carbon. May 19, 2007 507
Invisible trail: analyzing the vortices in the wake of a bat. May 12, 2007 445
Long ago gas. Letter to the editor Apr 28, 2007 117
Ancient extract: T. rex fossil yields recognizable protein. Apr 14, 2007 511
No escape: there's global warming on Mars too. Apr 7, 2007 483
High and dry: pollution may stifle mountain precipitation. Mar 10, 2007 426
Ancient slowpoke. Mar 3, 2007 124
Stroke of good fortune: a wealth of data from petrified lightning. Feb 17, 2007 548
From bad to worse: earth's warming to accelerate. Feb 10, 2007 551
Ancient glider: dinosaur took to the air in biplane style. Jan 27, 2007 419
Going under down under: early people at fault in Australian extinctions. Jan 20, 2007 445
Electrode enhancements: new materials may boost fuel cell performance. Jan 13, 2007 526
Paleotrickery: a lengthy lineage for leaf-mimicking insects. Jan 6, 2007 458
Irony on high: global warming cools, thins upper atmosphere. Dec 23, 2006 495
Dim harvest: Asian air pollution has limited rice yields. Dec 9, 2006 513
Balancing act: El Ninos and dust both affect coral bleaching. Nov 25, 2006 420
Not so clean: service industries emit greenhouse gases too. Nov 11, 2006 482
Flow west, young river: ancient Amazon ran opposite today's route. Nov 4, 2006 423
Mastodons in musth: tusks may chronicle battles between males. Oct 28, 2006 505
Nearly naked: large swath of Pacific lacks seafloor sediment. Oct 14, 2006 426
Mystery of the missing heat: upper ocean has cooled slightly in recent years, despite warming climate. Sep 30, 2006 456
Moo juiced? Letter to the editor Sep 23, 2006 104
Solid surprise: high-pressure oxygen takes unpredicted form. Sep 16, 2006 474
On the rise: Siberian lakes: major sources of methane. Sep 9, 2006 483
Mercury rising: natural wildfires release pollutant. Aug 26, 2006 433
New view: method looks inside embryo fossils. Aug 12, 2006 476
As glaciers shrink, the Alps get taller. Brief article Aug 12, 2006 211
Obsidian artifacts can record ancient climate. Brief article Aug 12, 2006 265
Northern refuge: white spruce survived last ice age in Alaska. Aug 5, 2006 433
Breaking crust: sonar finds new kind of deep-sea volcano. Jul 29, 2006 485
Sandy clues to ancient climate. Brief article Jul 22, 2006 126
Global warming heats up nursery of hurricanes. Brief article Jul 22, 2006 211
Radiation redux: forest fires remobilize fallout from bomb tests. Jul 15, 2006 477
Blundering hordes. Letter to the editor Jul 1, 2006 93
Sticky subjects: insights into ancient spider diet, kinship. Jun 24, 2006 554
Ancient webbed masters. Brief article Jun 17, 2006 117
Toxic tides: another reason to worry about hurricanes. Jun 10, 2006 509
Oil booms: whales don't avoid noise of seismic exploration. Jun 3, 2006 516
Blast survivors: fragments of asteroid found in ancient crater. May 13, 2006 428
Seismic speed traps: iron-rich regions may slow deep-earth vibes. Apr 29, 2006 414
Greenland glacial quakes becoming more common. Brief article Apr 29, 2006 236
Limited storage: lack of nutrients will constrain carbon uptake. Apr 15, 2006 417
Hot and cold. Letter to the editor Apr 8, 2006 128
Tiny bubbles: oldest evidence yet for methane makers. Mar 25, 2006 478
Shaken but not stirred: rock formations reveal past quakes' size limit. Mar 18, 2006 389
Crater in the sand. Brief article Mar 11, 2006 126
Ancestor of kings: early progenitor of T. rex had a crest. Feb 11, 2006 518
Cold and deep: Antarctica's Lake Vostok has two big neighbors. Feb 4, 2006 475
What a dino might be. Letter to the Editor Feb 4, 2006 85
Charting the past: surveys map two lost harbors of Phoenicia. Jan 28, 2006 467
Greenhouse plants? Vegetation may produce methane. Jan 14, 2006 572
Albedo: abetted or abated? Letter to the Editor Jan 14, 2006 126
Mass movement. Brief Article Jan 7, 2006 114
Death in the Americas. Letter to the Editor Jan 7, 2006 222
Roots of climate: plants' water transport cools Amazon basin. Nov 26, 2005 451
Ancient grazers: find adds grass to dinosaur menu. Nov 19, 2005 506
Caribbean extinctions: climate change probably wasn't the culprit. Oct 29, 2005 530
Raptor line: fossil finds push back dinosaur ancestry. Oct 15, 2005 533
Looks matter: if swallows aren't spiffy, mates' fidelity is iffy. Oct 1, 2005 437
Steep degrade ahead: road salt threatens waters in Northeast. Brief Article Sep 24, 2005 249
Dim view: darkening skies a regional phenomenon. Sep 24, 2005 573
Seafloor features steered tsunamis. Brief Article Aug 27, 2005 120
Fine fabric: new, fast way to make sheets of nanotubes. Aug 20, 2005 506
Methane maker: method gets to root of gas from rice paddies. Aug 13, 2005 449
Multifaceted mineral: intense heat, pressure bear new form of silica. Aug 6, 2005 458
What wavelengths? Letter to the Editor Aug 6, 2005 114
Young and helpless: fossils suggest that dinosaur parents cared. Jul 30, 2005 410
Under pressure: high-stress tests show surprising change in a mantle mineral's behavior. Jul 23, 2005 470
Muddy, clarified. Letter to the Editor Jul 16, 2005 386
Growth slumps: melting permafrost shapes Alaskan lakes. Jul 9, 2005 423
Killer bite: Ancient, tiny mammal probably used venom. Jun 25, 2005 528
Wetland blanket: volcanic sulfates may curb methane emission. Jun 18, 2005 460
Icy heat: satellites look at heat flow through Antarctica's crust. Jun 11, 2005 425
High anxiety: sudden solar flare highlights space risks. Jun 4, 2005 453
Portrait of destruction. Brief Article May 21, 2005 156
Mind the gap: inadequate monitoring at many U.S. volcanoes. May 7, 2005 517
Bed of armor: large rocks hold fast in flooding streams. Apr 30, 2005 449
Coming storms: method predicts intensity of U.S. hurricane seasons. Apr 23, 2005 417
Egg-citing discovery: dinosaur fossil includes eggshells. Apr 16, 2005 469
Hit again: December temblor probably caused new Sumatran quakes. Apr 2, 2005 419
Old softy: Tyrannosaurus fossil yields flexible tissue. Mar 26, 2005 493

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