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Science News for June 22, 2008


New source of heart stem cells discovered

A new group of stem cells in the epicardium can regenerate cardiomyocytes, smooth muscle cells, endothelial cells, and fibroblasts. This finding advances the hope of recapitulating developmental events to regenerate injured heart tissue, with potential applications for treating adults with heart failure.

SourceBoston Children's Hospital·JournalNature·DateJun 22, 2008

CSIRO scientist discovers natural 'invisible' gold

Researchers have identified natural gold nanoparticles in Western Australia's groundwater, providing new insights into geological processes and potential gold deposits. The discovery could aid explorers in finding new gold deposits due to the unique properties of these nanoparticles.

SourceCSIRO Australia·JournalGeology·DateJun 22, 2008
Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Leukemia drug could save lives of stroke patients

A study published in Nature Medicine reveals that combining tPA with the leukemia drug imatinib reduces the risk of brain bleeding in mice, even when given late after stroke onset. This finding has great promise for increasing the effectiveness of tPA treatment in stroke patients.

SourceLudwig Institute for Cancer Research·JournalNature Medicine·DateJun 22, 2008

DNA study unlocks mystery to diverse traits in dogs

A DNA study has identified genetic locations that contribute to differences in body shape, weight, fur color, and behavior among various dog breeds. This breakthrough may lead to better care regimes and tailored products for pet health.

SourceWeber Shandwick Worldwide·JournalGenetics·DateJun 22, 2008

Understanding the migration of cancer cells

Researchers discovered how filopodia extensions are generated and integrated with lamellipodia/ruffles in human cancer cells. The study reveals a complex interplay between these actin-based structures, suggesting that suppression of filopodia is needed for efficient cell migration.

SourceGoethe University Frankfurt·JournalNature Cell Biology·DateJun 22, 2008

Drug reverses mental retardation caused by genetic disorder

Researchers at UCLA discovered that rapamycin reverses learning deficits caused by tuberous sclerosis complex (TSC), a genetic disorder also linked to autism. The study shows that the disease's impact can be reversed through biochemical changes, restoring normal brain function and memory.

SourceUniversity of California - Los Angeles·JournalNature Medicine·DateJun 22, 2008
Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

A plane with wings of glass?

Researchers have found that the special atomic structures formed in glass when it cools are responsible for its non-crystalline state. This breakthrough could lead to the development of new materials like metallic glasses, which could be used in flexible products such as aircraft wings and engine parts.

SourceUniversity of Bristol·JournalNature Materials·DateJun 22, 2008