Warmer ocean brings fewer sardines to S.Africa
Millions of sardines have begun their annual migration down South Africa's east coast, but fewer fish are making the journey due to rising ocean temperatures, a researcher said Monday.
View ArticleBioethicists call for federal regulation of genetic ancestry testing
(PhysOrg.com) -- As the popularity of take-home DNA kits to trace ancestry or calculate the risk for serious medical conditions grows, there is an increasingly critical need for federal oversight of...
View ArticleCarbohydrate acts as tumor suppressor
Scientists at Burnham Institute for Medical Research (Burnham) have discovered that specialized complex sugar molecules (glycans) that anchor cells into place act as tumor suppressors in breast and...
View ArticleScientists discover a new mechanism controlling neuronal migration
The molecular machinery that helps brain cells migrate to their correct place in the developing brain has been identified by scientists at St. Jude Children's Research Hospital. The finding offers new...
View ArticleBaby whale's first breath caught on camera off Australia
Australian scientists have photographed a humpback whale helping a newborn calf take what appears to be its first breath, a rare event described as the "Holy Grail" for whale-watchers.
View ArticleNew imaging studies reveal mechanics of neuron migration
(PhysOrg.com) -- The development of the brain proceeds a little like the European settlement of North America. The earliest pioneers settled on the east coast with subsequent waves of settlers forming...
View ArticleGlass-walled buildings can mean death for birds, killing 1 to 5 percent of...
The front of Temple University's student center is an almost seamless wall of glass, reflecting trees and sky in lifelike detail and adding visual appeal to the urban landscape.
View ArticleElectronic medicine, without borders?
Disease knows no borders and now researchers in Europe and the Mediterranean shoreline are using electronic infrastructures (e-Infrastructures) to coordinate and cooperate internationally.
View ArticleResearchers identify key factor that stimulates brain cancer cells to spread
Researchers funded by the National Institutes of Health have found that the activity of a protein in brain cells helps stimulate the spread of an aggressive brain cancer called glioblastoma multiforme...
View Article'Second hit' pushes noninvasive breast cancer towards deadly metastasis
A new study identifies a molecule that acts cooperatively with a well known oncoprotein to drive progression of noninvasive breast cancer to metastatic, life-threatening disease. The research findings,...
View ArticleMigrating birds chill to fatten up
Marathon runners are famed for pasta packing in the days before a big run but when tiny passerine birds set out on their epic migrations, the distances are too great to cover on the energy reserves...
View ArticleReactive oxygen's role in metastasis
Researchers at the Burnham Institute for Medical Research have discovered that reactive oxygen species, such as superoxide and hydrogen peroxide, play a key role in forming invadopodia, cellular...
View ArticleAustralian population growth fastest for 50 years: data
Australia's population grew at its fastest rate in 50 years in the 12 months to March thanks to a surge in migrant numbers, official figures showed Tuesday.
View ArticleJuvenile bluefin tunas can dive to depths of more than 1000 meters
According to the AZTI-Tecnalia researchers, the first estimations of the geographical location of the recovered tag revealed that this fish had undertaken migrations between the Azores and Portugal...
View ArticlePanama butterfly migrations linked to El Nino, climate change
A high-speed chase across the Panama Canal in a Boston Whaler may sound like the beginning of another James Bond film—but the protagonist of this story brandishes a butterfly net and studies the...
View ArticleMigratory route of Eleonora's falcon revealed for first time
Satellite tracking has allowed a research team to uncover the mysteries of the migration of Eleanora's falcon for the first time. In total, the bird flies more than 9,500 kilometres across the African...
View ArticleNew CReAM research on the factors that shape individual attitudes towards...
A new research paper from CReAM (Centre for Research and Analysis of Migration at UCL) investigates the factors which determine individual attitudes towards migration policy.
View ArticleSalmon migration mystery explored on Idaho's Clearwater River
(PhysOrg.com) -- Temperature differences and slow-moving water at the confluence of the Clearwater and Snake rivers in Idaho might delay the migration of threatened juvenile salmon and allow them to...
View ArticleDiscovery of a Retrograde or Highly Tilted Extrasolar Planet
Astronomers have found that the extrasolar planet HAT-P-7b has a retrograde or highly tilted orbit. Studying such planets is important in understanding the diversity of planetary systems and assessing...
View ArticleCrosstalk between critical cell-signaling pathways holds clues to tumor...
Two signaling pathways essential to normal human development - the Wnt/Wingless (Wnt) and epidermal growth factor receptor (EGFR) pathways - interact in ways that can promote tumor cell invasion and...
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