Paleontology
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PaleontologyFossil Fingerprints: Rare earths tie bones to burial ground
The soil in which fossilization occurs leaves a chemical imprint on the bones, suggesting that scientists can use this soil signature to identify more precisely a fossil's original home.
By Carrie Lock -
PaleontologyCrawling through Time: Fish bones reveal past climate change
The timing of ancient migrations of snakehead fish from the Indian subcontinent into Europe, Asia, and Africa tells scientists about temperature and humidity changes in those locations.
By Carrie Lock -
PaleontologyRare English bits are oldest known charcoal
Analyses of small black chunks of material extracted from 420-million-year-old rocks found along the England-Wales border suggest that they're remnants of the earliest known wildfire.
By Sid Perkins -
PaleontologyFossil confirms that early arthropods molted
A 505-million-year-old fossil provides hard proof of that ancient arthropods shed their exoskeletons during growth, just as their modern relatives do.
By Sid Perkins -
PaleontologyAncient Buzzing: German site yields early hummingbird fossils
Excavations in Germany have yielded the only known fossils of hummingbirds from the Old World and by far the oldest such fossils unearthed anywhere.
By Sid Perkins -
PaleontologyOld Colonies: Ancient formations are termites’ legacy
New analyses of mysterious pillars at two sites in southern Africa suggest that the sandstone features are petrified remains of large, elaborate termite nests.
By Sid Perkins -
PaleontologyEarly Flight? Winged insects appear surprisingly ancient
New analyses of a fossil suggest that winged insects may have emerged as early as 400 million years ago.
By Sid Perkins -
PaleontologyL.A.’s Oldest Tourist Trap
Modern excavations at the La Brea tar pits are revealing a wealth of information about local food chains during recent ice ages, as well as details about what happened to trapped animals in their final hours.
By Sid Perkins -
PaleontologyAncestral Handful: Tiny skull puts Asia at root of primate tree
Researchers have unearthed the partial skull of the oldest known primate, a tiny creature that lived in south-central China 55 million years ago.
By Bruce Bower -
PaleontologyProud paleontologists proclaim: It’s a boy!
Marine sediments deposited about 425 million years ago have yielded what scientists contend is the world’s oldest undoubtedly male fossil.
By Sid Perkins -
PaleontologyNorthern Extinction: Alaskan horses shrank, then disappeared
Horses that lived in Alaska shrank dramatically in body size before they went extinct at the end of the last ice age.
By Sid Perkins -
PaleontologyAncient atmosphere was productive
New laboratory experiments suggest that extra carbon dioxide in the atmosphere in the era just before the dinosaurs went extinct may have boosted plant productivity to at least three times that found in today’s ecosystems.
By Sid Perkins