A TEMPORARY exhibition, “Frogs of Zambia” at the Livingstone Museum, reveals that frogs have been used in pregnancy tests. The exhibition also reveals that frogs are bio-indicators of the environment, in that their absence can suggest water pollution from mercury or lead. The exhibition, which runs until September 5, also reveals that Westerners, Easterners and Southerners in Zambia find bullfrogs to be a delicacy. The museum’s Assistant Keeper of Herpetology, Nyundu Kuluza, told News Diggers Lite that Zambia is home to about 94 species of frogs. “Two frog specimens mainly used in scientific research are Xenopus laevis and Xenopus tropicalis. Frog research also helps test the safety of drugs because Xenopus tropicalis has two copies of every gene just like…
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