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What is typhoid fever? History of diseases

By |2018-09-11T05:38:29+00:00September 7th, 2017|Science|

Typhoid fever: A person with typhoid rash (Iran) Is it typhoid or typhus? Typhoid fever isn't the same thing as typhus at all. You catch typhus from being bit by lice that have bitten people with typhoid, and you catch typhoid from drinking water with traces of human poop in it. (You can't catch typhoid from animals.) Find [...]

Cell Biology Project – Parts of a cell

By |2017-05-28T16:39:01+00:00May 28th, 2017|Biology|

An onion cell (seen through a microscope) You can see individual cells for yourself if you can get access to a regular light microscope, perhaps at your school, or at the science museum. Students often start by looking at an onion cell stained with a little iodine to make the nucleus and the wall [...]