Category: Reference

Toxoplasmosis – Parasitic Disease: Spectrum of Human Disease Caused by the Cat Parasite, T. gondii

Toxoplasma gondii, a protozoan parasite, occurs worldwide and infects more than 500 million people. Fortunately, most people don’t know they have the parasite. Toxoplasmosis symptoms in humans are variable. Acute toxoplasmosis Acute toxoplasmosis occurs when a person is first exposed to the parasite. Many people … Continue reading Toxoplasmosis – Parasitic Disease: Spectrum of Human Disease Caused by the Cat Parasite, T. gondii

Whalers Logbooks: Preserve Useful Whale Distribution and Population Information

Ships’ captains kept daily records of exact location and weather conditions. Whalers would also record sightings and capture of all species of whale they came across. Sextants and Chronometers In the eighteenth century the accurate determination of latitude was possible with the use of sextants … Continue reading Whalers Logbooks: Preserve Useful Whale Distribution and Population Information