Physicists at Northwestern University have demonstrated that superfluid helium-3 can conduct sound waves transversely, a property previously observed in solids. This discovery provides conclusive proof of the existence of transverse sound waves in liquid helium-3 and opens up new possibilities for studying its internal structure.
The Everglades' low biodiversity, caused by nutrient deficiencies, makes them vulnerable to pollution. Researchers recommend reducing agricultural runoff and filtering water through marshes to preserve the ecosystem's character.
Researchers find mosquitofish devour tadpoles just as readily as mosquitoes, decimating native amphibian populations in streams. The study urges local governments to reconsider using mosquitofish as a control measure.
Solid-state transformers, developed by Purdue University, promise to replace conventional technology and reduce power-quality problems. They eliminate electrical pollution, decrease current requirements, and minimize environmental impact.
Researchers used embryonic stem cells to repair damaged nerve fibers in a rat model of Pelizaeus-Merzbacher disease. The study showed that transplanted cells can promote myelin sheath growth, potentially leading to improved function and clinical applications.
A new study found that walking rapidly for 45 minutes, three days a week, can significantly improve mental-processing abilities in adults over 60. The exercise triggered faster reaction times and heightened the ability to ignore distractions on computer tasks.
Engineers at Purdue University have developed a training program that instructs workers on techniques to minimize styrene emissions. The program resulted in a 42.4% decrease in emissions, with an additional 19% reduction in the quantity of styrene needed for the job.
A new study found nearly half of Internet health pages contain unverified information, with 6% containing wrong data. Doctors and patients can benefit from using trustworthy sources, such as government and nonprofit sites, to access accurate health info.
Researchers at Cedars-Sinai Medical Center are launching a clinical trial to assess the impact of isoflavones, found in clover and soybeans, on the human endometrium. The study aims to determine whether these plant compounds can counteract estrogen's proliferative effects and reduce the risk of endometrial cancer.
Scientists discover Munc13-1 regulates the readily releasable pool of synaptic vesicles, leading to a functional shutdown of synapses. Without Munc13-1, nerve cells cannot signal due to an arrest in vesicle maturation, highlighting its essential role in neurotransmitter release.
Lemurs play a vital role in dispersing seeds for tree species in Madagascar's dry forests, which would otherwise fail to regenerate without them. The study found that the brown lemur is responsible for dispersing most of these species, highlighting the importance of reintroducing lemurs and reducing fragmentation.
Researchers at Whitehead Institute successfully transformed normal human cells into cancer cells, shedding light on the complex process of tumor development. The new cell lines offer a unique window into the biochemical and physiologic changes that occur during cancer formation.
Researchers discovered that male fruit flies displace and incapacitate a previous male's sperm to fertilize eggs. The study found that the last fruit fly to mate with the female sires most offspring, and that seminal fluid alone cannot cause displacement of stored sperm.