Cellular & Microscopic Biology
Cellular and microscopic biology allow scientists to study cells and microorganisms. Cellular biology is the study of cells, including their structure and function. Microbiology is the study of microorganisms, which include algae, bacteria, and viruses.
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While most flu sufferers moan and groan for about a week and then return to work, the flu season creates more than just discomfort and a costly loss of work days.
We hear about them on the news and we listen to politicians argue for and against them using them to treat disease. Learn all about stem cells and the research, challenges and controversy that surround them.
Bacteria are both friend and foe to humanity. They cause and cure health problems, make rotting food stink and give sourdough its delicious taste. Find out how these countless tiny microbes accomplish all of this and more.
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You won't find some of history's biggest killers on this list, but you will find at least one disease that will make you want to bite something and another that might make you break out in "elevated pustules." Curious yet?
By Garth Sundem
Viruses, viroids and prions are microscopic, infectious particles with a common, despicable goal — but the way each goes about achieving that goal is different.
By Debra Ronca
Your body replaces billions (with a b!) of cells every day. In about 100 days, 30 trillion be replaced, but does that mean you're a new person, too?
Researchers are working on ways to engineer viruses to attack cancer cells, killing the disease without radiation, medicine or surgery. How do the viruses know what to kill?
By Josh Clark
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How can spam e-mail help fight HIV? Find out how spam e-mail and HIV are linked and learn about new methods for HIV treatment.
By Josh Clark
Prokaryotic cells are like single-room efficiency apartments while eukaryotic cells are like mansions with many rooms — and they are the only two kinds of cells in the world.
The part of your cells that helps you recover from a hangover is shaped like a maze of tubes and is made of two parts — the rough endoplasmic reticulum and the smooth endoplasmic reticulum.
Centrioles are spindles that create the pathways for chromosomes to follow during cell division.
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The mass of microorganisms swarming inside your favorite elite athlete's body may be a great business opportunity.
By Amanda Onion
Viruses need hosts to replicate and reproduce. So if a virus has no host, how long can it survive? It depends on a lot of factors.
While plant and animal cells are strikingly similar, there are a few key differences.
When an electron loses its partner, it creates a free radical. So is that free radical now potentially hazardous to your health?
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Yep, fungi are all around us — in the grocery store, in the woods or living on your discolored toenail. And fungi can break down almost anything.
No life, except possibly very small bacteria, would exist on Earth without photosynthesis.
Chloroplasts are where some of the most miraculous chemistry on Earth goes down.
You probably use the words mold and mildew interchangeably. But these two types of fungi aren't quite the same. Is one worse?
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While HeLa cells have been star players in medical research for decades, the woman behind them remained in the shadows for years. Discover the amazing story of Henrietta Lacks and her immortal cells in this article.
Dust traveling over the Atlantic from North Africa feeds both phytoplankton that makes the oxygen we breath and the bacteria that could kill us.
Australia's western coast boasts such pink wonders. But what gives these lakes their pink hue?
While researchers can't say from this small study whether hairy men are inherently germier than the rest of the human race, the results are startling.
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Researchers are calling for a new "Noah's Ark" to store microbes that might one day be valuable.
By Chris Opfer
Scientists started an experiment back in 2014 that will run for 500 years. The first results were recently published. So, what have they found so far?