Browse Perkins, Sid
1-100 out of 260 article(s) next
| Title |
Type |
Date |
Words |
| Feathered dino predates birds: peacock-sized creature had aerodynamic appendages. |
Brief article |
Oct 24, 2009 |
283 |
| King of the ancient seas. |
Brief article |
Oct 24, 2009 |
218 |
| Pitter-patter of tiny theropod feet. |
Brief article |
Oct 24, 2009 |
179 |
| Atmosphere took roller-coaster ride around time of Earth's oxygenation: minerals hint that levels of the gas rose, dipped, rose again. |
|
Oct 10, 2009 |
451 |
| Cyclones spawn more tornadoes: increase in hurricane size may explain extra twisters. |
Brief article |
Oct 10, 2009 |
230 |
| Looking for a change on climate policy in Copenhagen. |
Interview |
Oct 10, 2009 |
714 |
| Stories in Stone: Travels Through Urban Geology. |
Book review |
Sep 26, 2009 |
272 |
| New data show quickening loss of groundwater beneath India: increased crop irrigation is depleting region's aquifers. |
|
Sep 12, 2009 |
1049 |
| Spotting danger from on high. |
Brief article |
Aug 29, 2009 |
175 |
| Team identifies new path to haze; reactions turn hydrocarbon into light-scattering aerosols. |
|
Aug 29, 2009 |
311 |
| Pearls unstrung: for a while, the Great Lakes weren't connected by rivers and Niagara Falls was just a trickle. |
|
Aug 29, 2009 |
2387 |
| Life Ascending: The Ten Great Inventions of Evolution. |
Book review |
Aug 29, 2009 |
259 |
| Lopsided lights grace the poles: observations reveal that auroras are not symmetrical. |
|
Aug 15, 2009 |
311 |
| Sign of ancient sea ice. |
Brief article |
Aug 15, 2009 |
140 |
| Warming in central Pacific Ocean may offer better cyclone predictor: find suggests shifts in activity are more reliable than El Nino. |
|
Aug 1, 2009 |
442 |
| Erosion, on the down low. |
Brief article |
Aug 1, 2009 |
185 |
| Historic Photos of the Manhattan Project. |
Book review |
Aug 1, 2009 |
245 |
| Bird in the hand. |
Brief article |
Jul 18, 2009 |
191 |
| Louisiana sinks as sea level rises: state's coast threatened by global warming, settling land. |
|
Jul 18, 2009 |
396 |
| Weather's Greatest Mysteries Solved! |
Book review |
Jul 18, 2009 |
252 |
| Gravity's influences could mean bumpy ride for inner solar system: new simulations describe scenarios for smashing planets. |
Brief article |
Jul 4, 2009 |
320 |
| Signs of hunting beneath Huron: survey finds lines and piles of boulders on lake bottom. |
Brief article |
Jul 4, 2009 |
316 |
| Alpine Antarctica, before all the ice: study details chain of peaks under continent's flat surface. |
|
Jul 4, 2009 |
337 |
| Flotsametrics and the Floating World. |
Book review |
Jul 4, 2009 |
262 |
| Unprecedented organic meteorite: study finds high levels of a possible precursor to early life. |
|
Jun 20, 2009 |
369 |
| Phytoliths as climate clues. |
Brief article |
Jun 20, 2009 |
199 |
| Bricks, mortar and magnetism. |
Brief article |
Jun 20, 2009 |
189 |
| The iron record of earth's oxygen: scientist are decoding the geological secrets of banded iron formations. |
|
Jun 20, 2009 |
2966 |
| To treat, not treat art-covering fungi: biocides confer resistance to Lascaux cave's microbes. |
|
Jun 6, 2009 |
318 |
| 1001 Inventions That Changed the World. |
Book review |
Jun 6, 2009 |
270 |
| Aerosols may have boosted carbon uptake: plant productivity could drop as skies continue to clear. |
|
May 23, 2009 |
475 |
| Arthropods came ashore in shells: gear may have kept gills wet during transition onto land. |
|
May 9, 2009 |
341 |
| Less, thinner Arctic ice. |
Brief article |
May 9, 2009 |
149 |
| Solar flares now trackable in 3-D: craft positioning improves imaging of mass ejections. |
Brief article |
May 9, 2009 |
274 |
| Tiny crystals in Australian rocks suggest earlier debut for oxygen: hematite hints photosynthesis began by 3.46 billion years ago. |
|
Apr 11, 2009 |
353 |
| Clues in soil may warn of hot spells: satellite data could improve forecasts of regional effects. |
Brief article |
Apr 11, 2009 |
313 |
| Urban heat: cities sizzle as more people move in. |
|
Apr 11, 2009 |
2307 |
| Made for Each Other: The Biology of the Human-Animal Bond. |
Book review |
Apr 11, 2009 |
282 |
| Give that dino a hand. |
Brief article |
Mar 28, 2009 |
106 |
| Physics can unite phytoplankton: ocean's version of wind shear disorients marine microbes. |
|
Mar 14, 2009 |
435 |
| Arctic haze: From Russia, with soot: smoke from forest fires, agricultural burning blankets north. |
Brief article |
Mar 14, 2009 |
254 |
| Early whales gave birth on land: Fossils fill gaps in story of land-to-water transition. |
Report |
Feb 28, 2009 |
1009 |
| Sand: The Never-Ending Story. |
Brief article |
Feb 28, 2009 |
298 |
| Antarctic warming. |
Brief article |
Feb 14, 2009 |
128 |
| Cleaner air means warmer Europe: decline in fog, haze may fuel 10 to 20 percent of warming. |
|
Feb 14, 2009 |
489 |
| World's windiest ocean region. |
Brief article |
Feb 14, 2009 |
103 |
| Rain machines. |
Brief article |
Feb 14, 2009 |
115 |
| Dry Storeroom No. 1: The Secret Life of the Natural History Museum. |
Book review |
Feb 14, 2009 |
273 |
| Meteors deliver Earth-like crust: fragments may have formed early in solar system's history. |
Brief article |
Jan 31, 2009 |
265 |
| Step-by-step evolution: mining the gaps: transitional fossils are the hardest to find, but sometimes tell the best. |
|
Jan 31, 2009 |
2563 |
| First a meteorite, then a tsunami: relics of impact, aftermath in Hudson River sediments. |
Brief article |
Jan 17, 2009 |
189 |
| Scientists tap into deep magma: in a first, engineers drill into molten rock below volcano. |
Brief article |
Jan 17, 2009 |
217 |
| Corals track rainfall. |
Brief article |
Jan 17, 2009 |
97 |
| Warmer water, more rain. |
Brief article |
Jan 17, 2009 |
119 |
| Plate tectonics may have had an early start: ancient zircon crystals imply activity during Hadean eon. |
|
Jan 3, 2009 |
396 |
| Arctic freeze triggers big squeeze: methane release linked to wetlands covering permafrost. |
|
Jan 3, 2009 |
249 |
| Six-Legged Soldiers: Using Insects as Weapons of War. |
Book review |
Jan 3, 2009 |
223 |
| As life evolves, minerals do too: team recounts dramatic changes in variety, abundance. |
|
Dec 6, 2008 |
626 |
| Design criteria outline ways to repel water, oil: both liquids can bead up, flow off textured surfaces. |
Brief article |
Dec 6, 2008 |
183 |
| Dates in doubt for oldest signs of complex life: new analyses of ancient rocks hint biomarkers came later. |
|
Nov 22, 2008 |
1031 |
| Fossil find may reveal history's largest snake: serpent exceeded 1 ton, extended nearly 13 meters. |
Brief article |
Nov 8, 2008 |
249 |
| Stalagmites tell earthquake history: caves could yield insight into timing of Midwestern temblors. |
Brief article |
Nov 8, 2008 |
189 |
| A near-record arctic melting: sea-ice coverage increases, but remains below normal. |
Brief article |
Nov 8, 2008 |
254 |
| Trees grew fast in Antarctica. |
Brief article |
Nov 8, 2008 |
63 |
| Salinity sensors. |
Brief article |
Nov 8, 2008 |
63 |
| Largest tsunami debris. |
Brief article |
Nov 8, 2008 |
74 |
| Long live plastics: with plastics in museums decomposing, a new effort seeks to halt the demise of materials commonly thought to be unalterable. |
|
Nov 8, 2008 |
1923 |
| Cooling climate 'consensus' of 1970s never was: myth often cited by global warming skeptics debunked. |
|
Oct 25, 2008 |
914 |
| Continental clash cooled climate: when India and Asia collided, sources of C[O.sub.2] disappeared. |
|
Oct 11, 2008 |
568 |
| Aged crust. |
Report |
Oct 11, 2008 |
103 |
| A History of Paleontology Illustration. |
Book review |
Oct 11, 2008 |
284 |
| Solid evidence about Earth's core: seismic waves confirm models of the planet's interior. |
|
Sep 13, 2008 |
382 |
| Grazers align north to south: deer, cattle may sense Earth's magnetic field. |
Brief article |
Sep 13, 2008 |
213 |
| Tissue found in dino fossil may be biofilm: new study questions analyses of T. rex remains. |
|
Aug 30, 2008 |
520 |
| Disaster goes global: the eruption in 1600 of a seemingly quiet volcano in Peru changed global climate and triggered famine as far away as Russia. |
Cover story |
Aug 30, 2008 |
2155 |
| Tiny diamonds may set earlier date for first life: carbon isotope ratios suggest biological activity. |
|
Aug 2, 2008 |
448 |
| Rock finds suggest unlikely neighbors. |
Brief article |
Aug 2, 2008 |
137 |
| Footprints in ash date humans in Americas. |
Brief article |
Jul 5, 2008 |
154 |
| As ozone hole heals, Antarctic could heat up: models suggest changes in wind, weather patterns. |
|
Jul 5, 2008 |
478 |
| Andes rose rather rapidly: analyses of sediments suggest new scenario explaining South American mountains' height. |
|
Jul 5, 2008 |
407 |
| A century later, scientists still study Tunguska: asteroid or comet blamed for Siberian blast of 1908. |
|
Jun 21, 2008 |
1102 |
| Microbes thrive in seafloor rock: diversity and abundance surprise research teams. |
|
Jun 21, 2008 |
507 |
| These wings were made for walking. |
Brief article |
Jun 21, 2008 |
159 |
| Antarctic ice tells tale of time with low carbon dioxide levels: core reveals temperature shifts over 800,000 years. |
|
Jun 7, 2008 |
663 |
| New species could fill big shoes once worn by island's dispersers: experiments suggest 'rewilding' for plant survival. |
Brief article |
May 24, 2008 |
275 |
| Elephant kin liked the water: isotopes in tooth fossils add new clues to debate. |
Brief article |
May 10, 2008 |
313 |
| Melt pond falls through ice in Greenland: watching flow sharpens picture of moving glaciers. |
|
May 10, 2008 |
548 |
| Down with carbon: scientists work to put the greenhouse gas in its place. |
|
May 10, 2008 |
3428 |
| Britain's biggest meteorite strike. |
Brief article |
Apr 12, 2008 |
279 |
| Salty old cellulose: tiny fibers found in ancient halite deposits. |
|
Apr 5, 2008 |
409 |
| New recipe for pollution stew: another chemical culprit adds to ozone. |
|
Mar 22, 2008 |
446 |
| Weather maker. |
Brief article |
Mar 15, 2008 |
114 |
| Ancient chasm: parts of Grand Canyon may be 17 million years old. |
|
Mar 8, 2008 |
501 |
| Ocean ups and downs--the long view. |
Brief article |
Mar 8, 2008 |
133 |
| Calling all clues ... |
Brief article |
Mar 8, 2008 |
243 |
| Finding mass graves from on high. |
Brief article |
Mar 8, 2008 |
184 |
| Hairy forensics: isotopes can identify the regions where a person may have lived. |
|
Mar 1, 2008 |
595 |
| Going down: climate change, water use threaten Lake Mead. |
|
Feb 23, 2008 |
460 |
| From China, the tiniest pterodactyl. |
Brief article |
Feb 23, 2008 |
256 |
| Flying deaf? Earliest bats probably didn't echolocate. |
|
Feb 16, 2008 |
549 |
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