... , west to the Southeast Asian mainland, and east towards New Guinea. These migrations have not previously been recognised archaeologically, but we have been able to show that there is supporting ...
... is still not really known," he adds, and finding more genes involved in directing migration – even messing it up – will help. Current treatment for delayed puberty includes giving girls estrogen to ...
... from sports physiology and developed a low-cost optical sensor to measure the force with which tiny, migrating somatic cells push themselves away from an underlying surface. Force analysis devices ...
... States are generally keeping pace with warming temperatures and earlier leafing of trees. They migrate earlier when temperatures are warm and later when spring is cool.
Birds that winter further ...
... form lamellipodia/ruffles while poorly migrating or non-motile cells often show ... -filopodia selection might regulate cell migration. Moreover, the pivotal contribution of lamellipodial and filopodial ...
... -frequency calls. These calls are easily recognizable and act as signals of threat.
Because migrating birds rarely participate in mobs, the researchers speculate that they may gain information about ...
Birds can extract detailed information from antipredator calls made by other bird species they encounter during their migrations, scientists say.
... that birds don't fly alone when migrating at night. Some birds, at least, keep together ... together in loose flocks during their nocturnal migration.
Researchers have spent decades trying to determine ...
... ."
Shillinger and his colleagues are cautiously optimistic about the impact their new data about the migration routes could have on bolstering the leatherbacks' survival rate.
"Being able to see ...
... and the language analyses, is filling a gap in the archaeological record of Athapaskan migration, Malhi said.
This gap is the result of the fact that the Athapaskan migrants seem not to have ...
... in animals as diverse as whales and warblers, dragonflies and salamanders. Many of the most spectacular migrations have disappeared or experienced steep declines due to human behavior, the authors ...
... listen carefully. Soon you will hear soft chirps and whistles drifting down from the sky. These are the calls of migrating songbirds. A thousand feet above you, extending for hundreds of miles in all ...
... of genetics. The method has given scientists a powerful window into ancient human migrations and prehistoric cultural shifts. The technique has also been adopted by some commercial genealogy services ...
Habitat destruction and climate change are making migrations increasingly difficult for many species, but it's not too late to bring these visually spectacular and environmentally critical mass ...
... new research in the Southern California mountains suggests recent warming is behind a massive die-off and rapid migration to higher ground by nine different plants - from desert shrubs to white firs.
