New Alzheimer's treatment, and mussel memory
The Naked Scientists Podcast
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New Contraceptive Inspired by Roman History and Shellfish
Swedish scientists have developed a way to use the substance kaitazen. It's a sugar-based molecule that comes from outer skeletons of animals like shellfish. The Romans used half a lemon placed up against the cervix as a type of diaphragm, and they used this as a contraceptive.
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