Protein Compass Guides Amoebas Toward Their Prey:
Amoebas glide toward their prey with the help of a protein switch that controls a molecular compass, biologists at the University of California, San Diego have discovered. Their finding, recently detailed in the journal Current Biology, is important because the same molecular switch is shared by humans and other vertebrates to help immune cells locate the sites of infections.
Alternative Medicine And Heavy Metal Poisoning:
Many Ayurvedic medicines can contain dangerous quantities of heavy metals, including lead, mercury, thallium and arsenic, according to clinical toxicology specialists in London writing in the International Journal of Environment and Health.
Spirituality Protects Against Depression Better Than Church Attendance:
Those who worship a higher power often do so in different ways. Whether they are active in their religious community, or prefer to simply pray or meditate, new research out of Temple University suggests that a person's religiousness - also called religiosity - can offer insight into their risk for depression. Lead researcher Joanna Maselko, Sc.D., characterized the religiosity of 918 study participants in terms of three domains of religiosity: religious service attendance, which refers to being involved with a church; religious well-being, which refers to the quality of a person's relationship with a higher power; and existential well-being, which refers to a person's sense of meaning and their purpose in life.
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