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Recognizing that tumor cells lurking in the body after cancer treatment will cause a relapse of cancer, scientists are working to employ nature's army-the immune system-to destroy remaining enemy outposts.
Are the world's amphibians-vulnerable to eco-logical changes in water and on land-acting like canaries in a coal mine, warning us of environmental dangers below the threshold of human perception?
A variety of high-tech bomb detectors are under study, but certification, cost, and privacy dilemmas could keep them from your local airport.
Dental researchers are making significant strides in identifying the microorganisms that colonize the mouth. To head off serious decay and disease, scientists are developing tools that prevent these microbes from gaining a foothold.